From c7283a6bf27e842af3f973457f5e39118de83c90 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 29 Aug 2019 08:47:49 -0400 Subject: [PATCH 01/23] checkpoint - switching machines. --- 101-linq-samples/readme.md | 22 +++ 101-linq-samples/src/Program.cs | 26 ++++ 101-linq-samples/src/Restrictions.cs | 141 ++++++++++++++++++ 101-linq-samples/src/Try101LinqSamples.csproj | 12 ++ 4 files changed, 201 insertions(+) create mode 100644 101-linq-samples/readme.md create mode 100644 101-linq-samples/src/Program.cs create mode 100644 101-linq-samples/src/Restrictions.cs create mode 100644 101-linq-samples/src/Try101LinqSamples.csproj diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md new file mode 100644 index 0000000..7590117 --- /dev/null +++ b/101-linq-samples/readme.md @@ -0,0 +1,22 @@ +# 101 LINQ Samples +![dotnet try Enabled](https://img.shields.io/badge/Try_.NET-Enabled-501078.svg) + +

+ +

+ +Learn how to use LINQ in your applications with these code samples, covering the entire range of LINQ functionality and demonstrating LINQ with objects, Entity Framework, and XML. + +## Lessons in this tutorial + +These lessons are organized according to the operations used: + +### Restriction operators + +These operators restrict, or filter, the input sequence to produce an output sequence. + +- Where - Simple 1 +- Where - Simple 2 +- Where - Simple 3 +- Where - Drilldown +- Where - Indexed diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs new file mode 100644 index 0000000..7fddad2 --- /dev/null +++ b/101-linq-samples/src/Program.cs @@ -0,0 +1,26 @@ +using System; + +namespace Try101LinqSamples +{ + class Program + { + ///Takes in the --region option from the code fence options in markdown + ///Takes in the --session option from the code fence options in markdown + ///Takes in the --package option from the code fence options in markdown + ///Takes in the --project option from the code fence options in markdown + ///Takes in any additional arguments passed in the code fence options in markdown + ///To learn more see our documentation + static int Main( + string region = null, + string session = null, + string package = null, + string project = null, + string[] args = null) + { + + new Restrictions().LowNumbers(); + new Restrictions().ProductsOutOfStock(); + return 0; + } + } +} diff --git a/101-linq-samples/src/Restrictions.cs b/101-linq-samples/src/Restrictions.cs new file mode 100644 index 0000000..ba40522 --- /dev/null +++ b/101-linq-samples/src/Restrictions.cs @@ -0,0 +1,141 @@ +using System; +using System.Collections.Generic; +using System.Linq; +namespace Try101LinqSamples +{ + public class Product + { + public int ProductID { get; set; } + public string ProductName { get; set; } + public string Category { get; set; } + public decimal UnitPrice { get; set; } + public int UnitsInStock { get; set; } + } + + public class Restrictions + { + private List productList = + new List { + new Product { ProductID = 1, ProductName = "Chai", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 39 }, + new Product { ProductID = 2, ProductName = "Chang", Category = "Beverages", UnitPrice = 19.0000M, UnitsInStock = 17 }, + new Product { ProductID = 3, ProductName = "Aniseed Syrup", Category = "Condiments", UnitPrice = 10.0000M, UnitsInStock = 13 }, + new Product { ProductID = 4, ProductName = "Chef Anton's Cajun Seasoning", Category = "Condiments", UnitPrice = 22.0000M, UnitsInStock = 53 }, + new Product { ProductID = 5, ProductName = "Chef Anton's Gumbo Mix", Category = "Condiments", UnitPrice = 21.3500M, UnitsInStock = 0 }, + new Product { ProductID = 6, ProductName = "Grandma's Boysenberry Spread", Category = "Condiments", UnitPrice = 25.0000M, UnitsInStock = 120 }, + new Product { ProductID = 7, ProductName = "Uncle Bob's Organic Dried Pears", Category = "Produce", UnitPrice = 30.0000M, UnitsInStock = 15 }, + new Product { ProductID = 8, ProductName = "Northwoods Cranberry Sauce", Category = "Condiments", UnitPrice = 40.0000M, UnitsInStock = 6 }, + new Product { ProductID = 9, ProductName = "Mishi Kobe Niku", Category = "Meat/Poultry", UnitPrice = 97.0000M, UnitsInStock = 29 }, + new Product { ProductID = 10, ProductName = "Ikura", Category = "Seafood", UnitPrice = 31.0000M, UnitsInStock = 31 }, + new Product { ProductID = 11, ProductName = "Queso Cabrales", Category = "Dairy Products", UnitPrice = 21.0000M, UnitsInStock = 22 }, + new Product { ProductID = 12, ProductName = "Queso Manchego La Pastora", Category = "Dairy Products", UnitPrice = 38.0000M, UnitsInStock = 86 }, + new Product { ProductID = 13, ProductName = "Konbu", Category = "Seafood", UnitPrice = 6.0000M, UnitsInStock = 24 }, + new Product { ProductID = 14, ProductName = "Tofu", Category = "Produce", UnitPrice = 23.2500M, UnitsInStock = 35 }, + new Product { ProductID = 15, ProductName = "Genen Shouyu", Category = "Condiments", UnitPrice = 15.5000M, UnitsInStock = 39 }, + new Product { ProductID = 16, ProductName = "Pavlova", Category = "Confections", UnitPrice = 17.4500M, UnitsInStock = 29 }, + new Product { ProductID = 17, ProductName = "Alice Mutton", Category = "Meat/Poultry", UnitPrice = 39.0000M, UnitsInStock = 0 }, + new Product { ProductID = 18, ProductName = "Carnarvon Tigers", Category = "Seafood", UnitPrice = 62.5000M, UnitsInStock = 42 }, + new Product { ProductID = 19, ProductName = "Teatime Chocolate Biscuits", Category = "Confections", UnitPrice = 9.2000M, UnitsInStock = 25 }, + new Product { ProductID = 20, ProductName = "Sir Rodney's Marmalade", Category = "Confections", UnitPrice = 81.0000M, UnitsInStock = 40 }, + new Product { ProductID = 21, ProductName = "Sir Rodney's Scones", Category = "Confections", UnitPrice = 10.0000M, UnitsInStock = 3 }, + new Product { ProductID = 22, ProductName = "Gustaf's Knäckebröd", Category = "Grains/Cereals", UnitPrice = 21.0000M, UnitsInStock = 104 }, + new Product { ProductID = 23, ProductName = "Tunnbröd", Category = "Grains/Cereals", UnitPrice = 9.0000M, UnitsInStock = 61 }, + new Product { ProductID = 24, ProductName = "Guaraná Fantástica", Category = "Beverages", UnitPrice = 4.5000M, UnitsInStock = 20 }, + new Product { ProductID = 25, ProductName = "NuNuCa Nuß-Nougat-Creme", Category = "Confections", UnitPrice = 14.0000M, UnitsInStock = 76 }, + new Product { ProductID = 26, ProductName = "Gumbär Gummibärchen", Category = "Confections", UnitPrice = 31.2300M, UnitsInStock = 15 }, + new Product { ProductID = 27, ProductName = "Schoggi Schokolade", Category = "Confections", UnitPrice = 43.9000M, UnitsInStock = 49 }, + new Product { ProductID = 28, ProductName = "Rössle Sauerkraut", Category = "Produce", UnitPrice = 45.6000M, UnitsInStock = 26 }, + new Product { ProductID = 29, ProductName = "Thüringer Rostbratwurst", Category = "Meat/Poultry", UnitPrice = 123.7900M, UnitsInStock = 0 }, + new Product { ProductID = 30, ProductName = "Nord-Ost Matjeshering", Category = "Seafood", UnitPrice = 25.8900M, UnitsInStock = 10 }, + new Product { ProductID = 31, ProductName = "Gorgonzola Telino", Category = "Dairy Products", UnitPrice = 12.5000M, UnitsInStock = 0 }, + new Product { ProductID = 32, ProductName = "Mascarpone Fabioli", Category = "Dairy Products", UnitPrice = 32.0000M, UnitsInStock = 9 }, + new Product { ProductID = 33, ProductName = "Geitost", Category = "Dairy Products", UnitPrice = 2.5000M, UnitsInStock = 112 }, + new Product { ProductID = 34, ProductName = "Sasquatch Ale", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 111 }, + new Product { ProductID = 35, ProductName = "Steeleye Stout", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 20 }, + new Product { ProductID = 36, ProductName = "Inlagd Sill", Category = "Seafood", UnitPrice = 19.0000M, UnitsInStock = 112 }, + new Product { ProductID = 37, ProductName = "Gravad lax", Category = "Seafood", UnitPrice = 26.0000M, UnitsInStock = 11 }, + new Product { ProductID = 38, ProductName = "Côte de Blaye", Category = "Beverages", UnitPrice = 263.5000M, UnitsInStock = 17 }, + new Product { ProductID = 39, ProductName = "Chartreuse verte", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 69 }, + new Product { ProductID = 40, ProductName = "Boston Crab Meat", Category = "Seafood", UnitPrice = 18.4000M, UnitsInStock = 123 }, + new Product { ProductID = 41, ProductName = "Jack's New England Clam Chowder", Category = "Seafood", UnitPrice = 9.6500M, UnitsInStock = 85 }, + new Product { ProductID = 42, ProductName = "Singaporean Hokkien Fried Mee", Category = "Grains/Cereals", UnitPrice = 14.0000M, UnitsInStock = 26 }, + new Product { ProductID = 43, ProductName = "Ipoh Coffee", Category = "Beverages", UnitPrice = 46.0000M, UnitsInStock = 17 }, + new Product { ProductID = 44, ProductName = "Gula Malacca", Category = "Condiments", UnitPrice = 19.4500M, UnitsInStock = 27 }, + new Product { ProductID = 45, ProductName = "Rogede sild", Category = "Seafood", UnitPrice = 9.5000M, UnitsInStock = 5 }, + new Product { ProductID = 46, ProductName = "Spegesild", Category = "Seafood", UnitPrice = 12.0000M, UnitsInStock = 95 }, + new Product { ProductID = 47, ProductName = "Zaanse koeken", Category = "Confections", UnitPrice = 9.5000M, UnitsInStock = 36 }, + new Product { ProductID = 48, ProductName = "Chocolade", Category = "Confections", UnitPrice = 12.7500M, UnitsInStock = 15 }, + new Product { ProductID = 49, ProductName = "Maxilaku", Category = "Confections", UnitPrice = 20.0000M, UnitsInStock = 10 }, + new Product { ProductID = 50, ProductName = "Valkoinen suklaa", Category = "Confections", UnitPrice = 16.2500M, UnitsInStock = 65 }, + new Product { ProductID = 51, ProductName = "Manjimup Dried Apples", Category = "Produce", UnitPrice = 53.0000M, UnitsInStock = 20 }, + new Product { ProductID = 52, ProductName = "Filo Mix", Category = "Grains/Cereals", UnitPrice = 7.0000M, UnitsInStock = 38 }, + new Product { ProductID = 53, ProductName = "Perth Pasties", Category = "Meat/Poultry", UnitPrice = 32.8000M, UnitsInStock = 0 }, + new Product { ProductID = 54, ProductName = "Tourtière", Category = "Meat/Poultry", UnitPrice = 7.4500M, UnitsInStock = 21 }, + new Product { ProductID = 55, ProductName = "Pâté chinois", Category = "Meat/Poultry", UnitPrice = 24.0000M, UnitsInStock = 115 }, + new Product { ProductID = 56, ProductName = "Gnocchi di nonna Alice", Category = "Grains/Cereals", UnitPrice = 38.0000M, UnitsInStock = 21 }, + new Product { ProductID = 57, ProductName = "Ravioli Angelo", Category = "Grains/Cereals", UnitPrice = 19.5000M, UnitsInStock = 36 }, + new Product { ProductID = 58, ProductName = "Escargots de Bourgogne", Category = "Seafood", UnitPrice = 13.2500M, UnitsInStock = 62 }, + new Product { ProductID = 59, ProductName = "Raclette Courdavault", Category = "Dairy Products", UnitPrice = 55.0000M, UnitsInStock = 79 }, + new Product { ProductID = 60, ProductName = "Camembert Pierrot", Category = "Dairy Products", UnitPrice = 34.0000M, UnitsInStock = 19 }, + new Product { ProductID = 61, ProductName = "Sirop d'érable", Category = "Condiments", UnitPrice = 28.5000M, UnitsInStock = 113 }, + new Product { ProductID = 62, ProductName = "Tarte au sucre", Category = "Confections", UnitPrice = 49.3000M, UnitsInStock = 17 }, + new Product { ProductID = 63, ProductName = "Vegie-spread", Category = "Condiments", UnitPrice = 43.9000M, UnitsInStock = 24 }, + new Product { ProductID = 64, ProductName = "Wimmers gute Semmelknödel", Category = "Grains/Cereals", UnitPrice = 33.2500M, UnitsInStock = 22 }, + new Product { ProductID = 65, ProductName = "Louisiana Fiery Hot Pepper Sauce", Category = "Condiments", UnitPrice = 21.0500M, UnitsInStock = 76 }, + new Product { ProductID = 66, ProductName = "Louisiana Hot Spiced Okra", Category = "Condiments", UnitPrice = 17.0000M, UnitsInStock = 4 }, + new Product { ProductID = 67, ProductName = "Laughing Lumberjack Lager", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 52 }, + new Product { ProductID = 68, ProductName = "Scottish Longbreads", Category = "Confections", UnitPrice = 12.5000M, UnitsInStock = 6 }, + new Product { ProductID = 69, ProductName = "Gudbrandsdalsost", Category = "Dairy Products", UnitPrice = 36.0000M, UnitsInStock = 26 }, + new Product { ProductID = 70, ProductName = "Outback Lager", Category = "Beverages", UnitPrice = 15.0000M, UnitsInStock = 15 }, + new Product { ProductID = 71, ProductName = "Flotemysost", Category = "Dairy Products", UnitPrice = 21.5000M, UnitsInStock = 26 }, + new Product { ProductID = 72, ProductName = "Mozzarella di Giovanni", Category = "Dairy Products", UnitPrice = 34.8000M, UnitsInStock = 14 }, + new Product { ProductID = 73, ProductName = "Röd Kaviar", Category = "Seafood", UnitPrice = 15.0000M, UnitsInStock = 101 }, + new Product { ProductID = 74, ProductName = "Longlife Tofu", Category = "Produce", UnitPrice = 10.0000M, UnitsInStock = 4 }, + new Product { ProductID = 75, ProductName = "Rhönbräu Klosterbier", Category = "Beverages", UnitPrice = 7.7500M, UnitsInStock = 125 }, + new Product { ProductID = 76, ProductName = "Lakkalikööri", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 57 }, + new Product { ProductID = 77, ProductName = "Original Frankfurter grüne Soße", Category = "Condiments", UnitPrice = 13.0000M, UnitsInStock = 32 } + }; + + + + public List GetProductList() => productList; + + public Restrictions() + { + } + + + public int LowNumbers() + { + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var lowNums = + from num in numbers + where num < 5 + select num; + + Console.WriteLine("Numbers < 5:"); + foreach (var x in lowNums) + { + Console.WriteLine(x); + } + return 0; + } + + public int ProductsOutOfStock() + { + List products = GetProductList(); + + var soldOutProducts = + from prod in products + where prod.UnitsInStock == 0 + select prod; + + Console.WriteLine("Sold out products:"); + foreach (var product in soldOutProducts) + { + Console.WriteLine($"{product.ProductName} is sold out!"); + } + return 0; + } + } +} diff --git a/101-linq-samples/src/Try101LinqSamples.csproj b/101-linq-samples/src/Try101LinqSamples.csproj new file mode 100644 index 0000000..4349b9b --- /dev/null +++ b/101-linq-samples/src/Try101LinqSamples.csproj @@ -0,0 +1,12 @@ + + + + Exe + netcoreapp3.0 + + + + + + + From 6f43c107bd5151d5babd1c9e3ad45a2fd20db61a Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 29 Aug 2019 13:22:03 -0400 Subject: [PATCH 02/23] Restriction samples work --- 101-linq-samples/docs/restrictions.md | 40 + 101-linq-samples/readme.md | 12 +- 101-linq-samples/src/Program.cs | 21 + 101-linq-samples/src/Restrictions.cs | 5600 ++++++++++++++++- 101-linq-samples/src/Try101LinqSamples.csproj | 3 +- 5 files changed, 5553 insertions(+), 123 deletions(-) create mode 100644 101-linq-samples/docs/restrictions.md diff --git a/101-linq-samples/docs/restrictions.md b/101-linq-samples/docs/restrictions.md new file mode 100644 index 0000000..199725e --- /dev/null +++ b/101-linq-samples/docs/restrictions.md @@ -0,0 +1,40 @@ +# LINQ - Restriction Operators + +The `where` clause of a LINQ query *restricts* the output sequence. Only the elements that match a condition are added to the output sequence. + +## Where clause syntax + +This sample uses where to find all elements of an array less than 5. It demonstrates the components of a query, including a `where` clause that filters for small numbers. + +``` cs --region where-syntax --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Restrict elements based on a property + +This sample uses where to find all products that are out of stock. Its `where` clause examines a property of the items in the input sequence. + +``` cs --region where-property --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Restrict elements based on multiple conditions + +This sample uses where to find all products that are in stock and cost more than 3.00 per unit. + +``` cs --region where-property --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Drilldown into output elements + +This sample uses where to find all customers in Washington and then uses the resulting sequence to drill down into their orders. + +``` cs --region where-drilldown --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Using the indexed where method + +This sample demonstrates an indexed Where clause that returns digits whose name is shorter than their value. + +``` cs --region where-indexed --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj +``` + +Notice that this final example shows the `Where` method rather than the `where` clause. The two forms are equivalent. diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 7590117..01a7db7 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -11,12 +11,12 @@ Learn how to use LINQ in your applications with these code samples, covering the These lessons are organized according to the operations used: -### Restriction operators +### [Restriction operators](docs/restrictions.md) These operators restrict, or filter, the input sequence to produce an output sequence. -- Where - Simple 1 -- Where - Simple 2 -- Where - Simple 3 -- Where - Drilldown -- Where - Indexed +- [Where clause syntax](docs/restrictions.md#where-clause-syntax) +- [Where clause using a property](docs/restrictions.md#restrict-elements-based-on-a-property) +- [Where clause with multiple conditions](docs/restrictions.md#restrict-elements-based-on-multiple-conditions) +- [Where clause drilldown into results](docs/restrictions.md#drilldown-into-output-elements) +- [Where clause with element index](docs/restrictions.md#using-the-indexed-where-method) diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 7fddad2..7434163 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -17,9 +17,30 @@ static int Main( string project = null, string[] args = null) { + return region switch + { + "where-syntax" => new Restrictions().LowNumbers(), + "where-property" => new Restrictions().ProductsOutOfStock(), + "where-multiple-properties" => new Restrictions().ExpensiveProductsInStock(), + "where-drilldown" => new Restrictions().DisplayCustomerOrders(), + "where-indexed" => new Restrictions().IndexedWhere(), + null => RunAll(), + _ => MissingRegionTag(), + }; + } + private static int MissingRegionTag() + { + Console.WriteLine("Tag not found!"); + return 1; + } + private static int RunAll() + { new Restrictions().LowNumbers(); new Restrictions().ProductsOutOfStock(); + new Restrictions().ExpensiveProductsInStock(); + new Restrictions().DisplayCustomerOrders(); + new Restrictions().IndexedWhere(); return 0; } } diff --git a/101-linq-samples/src/Restrictions.cs b/101-linq-samples/src/Restrictions.cs index ba40522..7bef8ee 100644 --- a/101-linq-samples/src/Restrictions.cs +++ b/101-linq-samples/src/Restrictions.cs @@ -1,111 +1,5418 @@ -using System; -using System.Collections.Generic; -using System.Linq; -namespace Try101LinqSamples -{ - public class Product - { - public int ProductID { get; set; } - public string ProductName { get; set; } - public string Category { get; set; } - public decimal UnitPrice { get; set; } - public int UnitsInStock { get; set; } +using System; +using System.Collections.Generic; +using System.Linq; +using System.Xml.Linq; + +namespace Try101LinqSamples +{ + public class Product + { + public int ProductID { get; set; } + public string ProductName { get; set; } + public string Category { get; set; } + public decimal UnitPrice { get; set; } + public int UnitsInStock { get; set; } + } + + public class Customer + { + public string CustomerID { get; set; } + public string CompanyName { get; set; } + public string Address { get; set; } + public string City { get; set; } + public string Region { get; set; } + public string PostalCode { get; set; } + public string Country { get; set; } + public string Phone { get; set; } + public string Fax { get; set; } + public Order[] Orders { get; set; } + } + + public class Order + { + public int OrderID { get; set; } + public DateTime OrderDate { get; set; } + public decimal Total { get; set; } } - - public class Restrictions - { + + + public class Restrictions + { + #region XML_DATA // You don't really want to see this. + private const string customers_xml = +@" + + + ALFKI + Alfreds Futterkiste +
Obere Str. 57
+ Berlin + 12209 + Germany + 030-0074321 + 030-0076545 + + + 10643 + 1997-08-25T00:00:00 + 814.50 + + + 10692 + 1997-10-03T00:00:00 + 878.00 + + + 10702 + 1997-10-13T00:00:00 + 330.00 + + + 10835 + 1998-01-15T00:00:00 + 845.80 + + + 10952 + 1998-03-16T00:00:00 + 471.20 + + + 11011 + 1998-04-09T00:00:00 + 933.50 + + + + + ANATR + Ana Trujillo Emparedados y helados +
Avda.de la Constitución 2222
+ México D.F. + 05021 + Mexico + (5) 555-4729 + (5) 555-3745 + + + 10308 + 1996-09-18T00:00:00 + 88.80 + + + 10625 + 1997-08-08T00:00:00 + 479.75 + + + 10759 + 1997-11-28T00:00:00 + 320.00 + + + 10926 + 1998-03-04T00:00:00 + 514.40 + + + + + ANTON + Antonio Moreno Taquería +
Mataderos 2312
+ México D.F. + 05023 + Mexico + (5) 555-3932 + + + 10365 + 1996-11-27T00:00:00 + 403.20 + + + 10507 + 1997-04-15T00:00:00 + 749.06 + + + 10535 + 1997-05-13T00:00:00 + 1940.85 + + + 10573 + 1997-06-19T00:00:00 + 2082.00 + + + 10677 + 1997-09-22T00:00:00 + 813.36 + + + 10682 + 1997-09-25T00:00:00 + 375.50 + + + 10856 + 1998-01-28T00:00:00 + 660.00 + + + + + AROUT + Around the Horn +
120 Hanover Sq.
+ London + WA1 1DP + UK + (171) 555-7788 + (171) 555-6750 + + + 10355 + 1996-11-15T00:00:00 + 480.00 + + + 10383 + 1996-12-16T00:00:00 + 899.00 + + + 10453 + 1997-02-21T00:00:00 + 407.70 + + + 10558 + 1997-06-04T00:00:00 + 2142.90 + + + 10707 + 1997-10-16T00:00:00 + 1641.00 + + + 10741 + 1997-11-14T00:00:00 + 228.00 + + + 10743 + 1997-11-17T00:00:00 + 319.20 + + + 10768 + 1997-12-08T00:00:00 + 1477.00 + + + 10793 + 1997-12-24T00:00:00 + 191.10 + + + 10864 + 1998-02-02T00:00:00 + 282.00 + + + 10920 + 1998-03-03T00:00:00 + 390.00 + + + 10953 + 1998-03-16T00:00:00 + 4441.25 + + + 11016 + 1998-04-10T00:00:00 + 491.50 + + + + + BERGS + Berglunds snabbköp +
Berguvsvägen 8
+ Luleå + S-958 22 + Sweden + 0921-12 34 65 + 0921-12 34 67 + + + 10278 + 1996-08-12T00:00:00 + 1488.80 + + + 10280 + 1996-08-14T00:00:00 + 613.20 + + + 10384 + 1996-12-16T00:00:00 + 2222.40 + + + 10444 + 1997-02-12T00:00:00 + 1031.70 + + + 10445 + 1997-02-13T00:00:00 + 174.90 + + + 10524 + 1997-05-01T00:00:00 + 3192.65 + + + 10572 + 1997-06-18T00:00:00 + 1501.08 + + + 10626 + 1997-08-11T00:00:00 + 1503.60 + + + 10654 + 1997-09-02T00:00:00 + 601.83 + + + 10672 + 1997-09-17T00:00:00 + 3815.25 + + + 10689 + 1997-10-01T00:00:00 + 472.50 + + + 10733 + 1997-11-07T00:00:00 + 1459.00 + + + 10778 + 1997-12-16T00:00:00 + 96.50 + + + 10837 + 1998-01-16T00:00:00 + 1064.50 + + + 10857 + 1998-01-28T00:00:00 + 2048.21 + + + 10866 + 1998-02-03T00:00:00 + 1096.20 + + + 10875 + 1998-02-06T00:00:00 + 709.55 + + + 10924 + 1998-03-04T00:00:00 + 1835.70 + + + + + BLAUS + Blauer See Delikatessen +
Forsterstr. 57
+ Mannheim + 68306 + Germany + 0621-08460 + 0621-08924 + + + 10501 + 1997-04-09T00:00:00 + 149.00 + + + 10509 + 1997-04-17T00:00:00 + 136.80 + + + 10582 + 1997-06-27T00:00:00 + 330.00 + + + 10614 + 1997-07-29T00:00:00 + 464.00 + + + 10853 + 1998-01-27T00:00:00 + 625.00 + + + 10956 + 1998-03-17T00:00:00 + 677.00 + + + 11058 + 1998-04-29T00:00:00 + 858.00 + + + + + BLONP + Blondel père et fils +
24, place Kléber
+ Strasbourg + 67000 + France + 88.60.15.31 + 88.60.15.32 + + + 10265 + 1996-07-25T00:00:00 + 1176.00 + + + 10297 + 1996-09-04T00:00:00 + 1420.00 + + + 10360 + 1996-11-22T00:00:00 + 7390.20 + + + 10436 + 1997-02-05T00:00:00 + 1994.52 + + + 10449 + 1997-02-18T00:00:00 + 1838.20 + + + 10559 + 1997-06-05T00:00:00 + 520.41 + + + 10566 + 1997-06-12T00:00:00 + 1761.00 + + + 10584 + 1997-06-30T00:00:00 + 593.75 + + + 10628 + 1997-08-12T00:00:00 + 450.00 + + + 10679 + 1997-09-23T00:00:00 + 660.00 + + + 10826 + 1998-01-12T00:00:00 + 730.00 + + + + + BOLID + Bólido Comidas preparadas +
C/ Araquil, 67
+ Madrid + 28023 + Spain + (91) 555 22 82 + (91) 555 91 99 + + + 10326 + 1996-10-10T00:00:00 + 982.00 + + + 10801 + 1997-12-29T00:00:00 + 3026.85 + + + 10970 + 1998-03-24T00:00:00 + 224.00 + + + + + BONAP + Bon app' +
12, rue des Bouchers
+ Marseille + 13008 + France + 91.24.45.40 + 91.24.45.41 + + + 10331 + 1996-10-16T00:00:00 + 88.50 + + + 10340 + 1996-10-29T00:00:00 + 2436.18 + + + 10362 + 1996-11-25T00:00:00 + 1549.60 + + + 10470 + 1997-03-11T00:00:00 + 1820.80 + + + 10511 + 1997-04-18T00:00:00 + 2550.00 + + + 10525 + 1997-05-02T00:00:00 + 818.40 + + + 10663 + 1997-09-10T00:00:00 + 1930.40 + + + 10715 + 1997-10-23T00:00:00 + 1296.00 + + + 10730 + 1997-11-05T00:00:00 + 484.26 + + + 10732 + 1997-11-06T00:00:00 + 360.00 + + + 10755 + 1997-11-26T00:00:00 + 1948.50 + + + 10827 + 1998-01-12T00:00:00 + 843.00 + + + 10871 + 1998-02-05T00:00:00 + 1979.23 + + + 10876 + 1998-02-09T00:00:00 + 917.00 + + + 10932 + 1998-03-06T00:00:00 + 1788.63 + + + 10940 + 1998-03-11T00:00:00 + 360.00 + + + 11076 + 1998-05-06T00:00:00 + 792.75 + + + + + BOTTM + Bottom-Dollar Markets +
23 Tsawassen Blvd.
+ Tsawassen + BC + T2F 8M4 + Canada + (604) 555-4729 + (604) 555-3745 + + + 10389 + 1996-12-20T00:00:00 + 1832.80 + + + 10410 + 1997-01-10T00:00:00 + 802.00 + + + 10411 + 1997-01-10T00:00:00 + 966.80 + + + 10431 + 1997-01-30T00:00:00 + 1892.25 + + + 10492 + 1997-04-01T00:00:00 + 851.20 + + + 10742 + 1997-11-14T00:00:00 + 3118.00 + + + 10918 + 1998-03-02T00:00:00 + 1447.50 + + + 10944 + 1998-03-12T00:00:00 + 1025.32 + + + 10949 + 1998-03-13T00:00:00 + 4422.00 + + + 10975 + 1998-03-25T00:00:00 + 717.50 + + + 10982 + 1998-03-27T00:00:00 + 1014.00 + + + 11027 + 1998-04-16T00:00:00 + 877.72 + + + 11045 + 1998-04-23T00:00:00 + 1309.50 + + + 11048 + 1998-04-24T00:00:00 + 525.00 + + + + + BSBEV + B's Beverages +
Fauntleroy Circus
+ London + EC2 5NT + UK + (171) 555-1212 + + + 10289 + 1996-08-26T00:00:00 + 479.40 + + + 10471 + 1997-03-11T00:00:00 + 1328.00 + + + 10484 + 1997-03-24T00:00:00 + 386.20 + + + 10538 + 1997-05-15T00:00:00 + 139.80 + + + 10539 + 1997-05-16T00:00:00 + 355.50 + + + 10578 + 1997-06-24T00:00:00 + 477.00 + + + 10599 + 1997-07-15T00:00:00 + 493.00 + + + 10943 + 1998-03-11T00:00:00 + 711.00 + + + 10947 + 1998-03-13T00:00:00 + 220.00 + + + 11023 + 1998-04-14T00:00:00 + 1500.00 + + + + + CACTU + Cactus Comidas para llevar +
Cerrito 333
+ Buenos Aires + 1010 + Argentina + (1) 135-5555 + (1) 135-4892 + + + 10521 + 1997-04-29T00:00:00 + 225.50 + + + 10782 + 1997-12-17T00:00:00 + 12.50 + + + 10819 + 1998-01-07T00:00:00 + 477.00 + + + 10881 + 1998-02-11T00:00:00 + 150.00 + + + 10937 + 1998-03-10T00:00:00 + 644.80 + + + 11054 + 1998-04-28T00:00:00 + 305.00 + + + + + CENTC + Centro comercial Moctezuma +
Sierras de Granada 9993
+ México D.F. + 05022 + Mexico + (5) 555-3392 + (5) 555-7293 + + + 10259 + 1996-07-18T00:00:00 + 100.80 + + + + + CHOPS + Chop-suey Chinese +
Hauptstr. 29
+ Bern + 3012 + Switzerland + 0452-076545 + + + 10254 + 1996-07-11T00:00:00 + 556.62 + + + 10370 + 1996-12-03T00:00:00 + 1117.60 + + + 10519 + 1997-04-28T00:00:00 + 2314.20 + + + 10731 + 1997-11-06T00:00:00 + 1890.50 + + + 10746 + 1997-11-19T00:00:00 + 2311.70 + + + 10966 + 1998-03-20T00:00:00 + 1098.46 + + + 11029 + 1998-04-16T00:00:00 + 1286.80 + + + 11041 + 1998-04-22T00:00:00 + 1773.00 + + + + + COMMI + Comércio Mineiro +
Av.dos Lusíadas, 23
+ São Paulo + SP + 05432-043 + Brazil + (11) 555-7647 + + + 10290 + 1996-08-27T00:00:00 + 2169.00 + + + 10466 + 1997-03-06T00:00:00 + 216.00 + + + 10494 + 1997-04-02T00:00:00 + 912.00 + + + 10969 + 1998-03-23T00:00:00 + 108.00 + + + 11042 + 1998-04-22T00:00:00 + 405.75 + + + + + CONSH + Consolidated Holdings +
Berkeley Gardens, 12 Brewery
+ London + WX1 6LT + UK + (171) 555-2282 + (171) 555-9199 + + + 10435 + 1997-02-04T00:00:00 + 631.60 + + + 10462 + 1997-03-03T00:00:00 + 156.00 + + + 10848 + 1998-01-23T00:00:00 + 931.50 + + + + + DRACD + Drachenblut Delikatessen +
Walserweg 21
+ Aachen + 52066 + Germany + 0241-039123 + 0241-059428 + + + 10363 + 1996-11-26T00:00:00 + 447.20 + + + 10391 + 1996-12-23T00:00:00 + 86.40 + + + 10797 + 1997-12-25T00:00:00 + 420.00 + + + 10825 + 1998-01-09T00:00:00 + 1030.76 + + + 11036 + 1998-04-20T00:00:00 + 1692.00 + + + 11067 + 1998-05-04T00:00:00 + 86.85 + + + + + DUMON + Du monde entier +
67, rue des Cinquante Otages
+ Nantes + 44000 + France + 40.67.88.88 + 40.67.89.89 + + + 10311 + 1996-09-20T00:00:00 + 268.80 + + + 10609 + 1997-07-24T00:00:00 + 424.00 + + + 10683 + 1997-09-26T00:00:00 + 63.00 + + + 10890 + 1998-02-16T00:00:00 + 860.10 + + + + + EASTC + Eastern Connection +
35 King George
+ London + WX3 6FW + UK + (171) 555-0297 + (171) 555-3373 + + + 10364 + 1996-11-26T00:00:00 + 950.00 + + + 10400 + 1997-01-01T00:00:00 + 3063.00 + + + 10532 + 1997-05-09T00:00:00 + 796.35 + + + 10726 + 1997-11-03T00:00:00 + 655.00 + + + 10987 + 1998-03-31T00:00:00 + 2772.00 + + + 11024 + 1998-04-15T00:00:00 + 1966.81 + + + 11047 + 1998-04-24T00:00:00 + 817.88 + + + 11056 + 1998-04-28T00:00:00 + 3740.00 + + + + + ERNSH + Ernst Handel +
Kirchgasse 6
+ Graz + 8010 + Austria + 7675-3425 + 7675-3426 + + + 10258 + 1996-07-17T00:00:00 + 1614.88 + + + 10263 + 1996-07-23T00:00:00 + 1873.80 + + + 10351 + 1996-11-11T00:00:00 + 5398.72 + + + 10368 + 1996-11-29T00:00:00 + 1689.78 + + + 10382 + 1996-12-13T00:00:00 + 2900.00 + + + 10390 + 1996-12-23T00:00:00 + 2090.88 + + + 10402 + 1997-01-02T00:00:00 + 2713.50 + + + 10403 + 1997-01-03T00:00:00 + 855.02 + + + 10430 + 1997-01-30T00:00:00 + 4899.20 + + + 10442 + 1997-02-11T00:00:00 + 1792.00 + + + 10514 + 1997-04-22T00:00:00 + 8623.45 + + + 10571 + 1997-06-17T00:00:00 + 550.59 + + + 10595 + 1997-07-10T00:00:00 + 4725.00 + + + 10633 + 1997-08-15T00:00:00 + 5510.59 + + + 10667 + 1997-09-12T00:00:00 + 1536.80 + + + 10698 + 1997-10-09T00:00:00 + 3436.44 + + + 10764 + 1997-12-03T00:00:00 + 2286.00 + + + 10771 + 1997-12-10T00:00:00 + 344.00 + + + 10773 + 1997-12-11T00:00:00 + 2030.40 + + + 10776 + 1997-12-15T00:00:00 + 6635.28 + + + 10795 + 1997-12-24T00:00:00 + 2158.00 + + + 10836 + 1998-01-16T00:00:00 + 4705.50 + + + 10854 + 1998-01-27T00:00:00 + 2966.50 + + + 10895 + 1998-02-18T00:00:00 + 6379.40 + + + 10968 + 1998-03-23T00:00:00 + 1408.00 + + + 10979 + 1998-03-26T00:00:00 + 4813.50 + + + 10990 + 1998-04-01T00:00:00 + 4288.85 + + + 11008 + 1998-04-08T00:00:00 + 4680.90 + + + 11017 + 1998-04-13T00:00:00 + 6750.00 + + + 11072 + 1998-05-05T00:00:00 + 5218.00 + + + + + FAMIA + Familia Arquibaldo +
Rua Orós, 92
+ São Paulo + SP + 05442-030 + Brazil + (11) 555-9857 + + + 10347 + 1996-11-06T00:00:00 + 814.42 + + + 10386 + 1996-12-18T00:00:00 + 166.00 + + + 10414 + 1997-01-14T00:00:00 + 224.83 + + + 10512 + 1997-04-21T00:00:00 + 525.30 + + + 10581 + 1997-06-26T00:00:00 + 310.00 + + + 10650 + 1997-08-29T00:00:00 + 1779.20 + + + 10725 + 1997-10-31T00:00:00 + 287.80 + + + + + FISSA + FISSA Fabrica Inter.Salchichas S.A. +
C/ Moralzarzal, 86
+ Madrid + 28034 + Spain + (91) 555 94 44 + (91) 555 55 93 + + + + FOLIG + Folies gourmandes +
184, chaussée de Tournai
+ Lille + 59000 + France + 20.16.10.16 + 20.16.10.17 + + + 10408 + 1997-01-08T00:00:00 + 1622.40 + + + 10480 + 1997-03-20T00:00:00 + 756.00 + + + 10634 + 1997-08-15T00:00:00 + 4985.50 + + + 10763 + 1997-12-03T00:00:00 + 616.00 + + + 10789 + 1997-12-22T00:00:00 + 3687.00 + + + + + FOLKO + Folk och fä HB +
Åkergatan 24
+ Bräcke + S-844 67 + Sweden + 0695-34 67 21 + + + 10264 + 1996-07-24T00:00:00 + 695.62 + + + 10327 + 1996-10-11T00:00:00 + 1810.00 + + + 10378 + 1996-12-10T00:00:00 + 103.20 + + + 10434 + 1997-02-03T00:00:00 + 321.12 + + + 10460 + 1997-02-28T00:00:00 + 176.10 + + + 10533 + 1997-05-12T00:00:00 + 2222.20 + + + 10561 + 1997-06-06T00:00:00 + 2844.50 + + + 10703 + 1997-10-14T00:00:00 + 2545.00 + + + 10762 + 1997-12-02T00:00:00 + 4337.00 + + + 10774 + 1997-12-11T00:00:00 + 868.75 + + + 10824 + 1998-01-09T00:00:00 + 250.80 + + + 10880 + 1998-02-10T00:00:00 + 1500.00 + + + 10902 + 1998-02-23T00:00:00 + 863.43 + + + 10955 + 1998-03-17T00:00:00 + 74.40 + + + 10977 + 1998-03-26T00:00:00 + 2233.00 + + + 10980 + 1998-03-27T00:00:00 + 248.00 + + + 10993 + 1998-04-01T00:00:00 + 4895.44 + + + 11001 + 1998-04-06T00:00:00 + 2769.00 + + + 11050 + 1998-04-27T00:00:00 + 810.00 + + + + + FRANK + Frankenversand +
Berliner Platz 43
+ München + 80805 + Germany + 089-0877310 + 089-0877451 + + + 10267 + 1996-07-29T00:00:00 + 3536.60 + + + 10337 + 1996-10-24T00:00:00 + 2467.00 + + + 10342 + 1996-10-30T00:00:00 + 1840.64 + + + 10396 + 1996-12-27T00:00:00 + 1903.80 + + + 10488 + 1997-03-27T00:00:00 + 1512.00 + + + 10560 + 1997-06-06T00:00:00 + 1072.42 + + + 10623 + 1997-08-07T00:00:00 + 1336.95 + + + 10653 + 1997-09-02T00:00:00 + 1083.15 + + + 10670 + 1997-09-16T00:00:00 + 2301.75 + + + 10675 + 1997-09-19T00:00:00 + 1423.00 + + + 10717 + 1997-10-24T00:00:00 + 1270.75 + + + 10791 + 1997-12-23T00:00:00 + 1829.76 + + + 10859 + 1998-01-29T00:00:00 + 1078.69 + + + 10929 + 1998-03-05T00:00:00 + 1174.75 + + + 11012 + 1998-04-09T00:00:00 + 2825.30 + + + + + FRANR + France restauration +
54, rue Royale
+ Nantes + 44000 + France + 40.32.21.21 + 40.32.21.20 + + + 10671 + 1997-09-17T00:00:00 + 920.10 + + + 10860 + 1998-01-29T00:00:00 + 519.00 + + + 10971 + 1998-03-24T00:00:00 + 1733.06 + + + + + FRANS + Franchi S.p.A. +
Via Monte Bianco 34
+ Torino + 10100 + Italy + 011-4988260 + 011-4988261 + + + 10422 + 1997-01-22T00:00:00 + 49.80 + + + 10710 + 1997-10-20T00:00:00 + 93.50 + + + 10753 + 1997-11-25T00:00:00 + 88.00 + + + 10807 + 1997-12-31T00:00:00 + 18.40 + + + 11026 + 1998-04-15T00:00:00 + 1030.00 + + + 11060 + 1998-04-30T00:00:00 + 266.00 + + + + + FURIB + Furia Bacalhau e Frutos do Mar +
Jardim das rosas n. 32
+ Lisboa + 1675 + Portugal + (1) 354-2534 + (1) 354-2535 + + + 10328 + 1996-10-14T00:00:00 + 1168.00 + + + 10352 + 1996-11-12T00:00:00 + 136.30 + + + 10464 + 1997-03-04T00:00:00 + 1609.28 + + + 10491 + 1997-03-31T00:00:00 + 259.50 + + + 10551 + 1997-05-28T00:00:00 + 1677.30 + + + 10604 + 1997-07-18T00:00:00 + 230.85 + + + 10664 + 1997-09-10T00:00:00 + 1288.39 + + + 10963 + 1998-03-19T00:00:00 + 57.80 + + + + + GALED + Galería del gastrónomo +
Rambla de Cataluña, 23
+ Barcelona + 08022 + Spain + (93) 203 4560 + (93) 203 4561 + + + 10366 + 1996-11-28T00:00:00 + 136.00 + + + 10426 + 1997-01-27T00:00:00 + 338.20 + + + 10568 + 1997-06-13T00:00:00 + 155.00 + + + 10887 + 1998-02-13T00:00:00 + 70.00 + + + 10928 + 1998-03-05T00:00:00 + 137.50 + + + + + GODOS + Godos Cocina Típica +
C/ Romero, 33
+ Sevilla + 41101 + Spain + (95) 555 82 82 + + + 10303 + 1996-09-11T00:00:00 + 1117.80 + + + 10550 + 1997-05-28T00:00:00 + 683.30 + + + 10629 + 1997-08-12T00:00:00 + 2775.05 + + + 10872 + 1998-02-05T00:00:00 + 2058.46 + + + 10874 + 1998-02-06T00:00:00 + 310.00 + + + 10888 + 1998-02-16T00:00:00 + 605.00 + + + 10911 + 1998-02-26T00:00:00 + 858.00 + + + 10948 + 1998-03-13T00:00:00 + 2362.25 + + + 11009 + 1998-04-08T00:00:00 + 616.50 + + + 11037 + 1998-04-21T00:00:00 + 60.00 + + + + + GOURL + Gourmet Lanchonetes +
Av.Brasil, 442
+ Campinas + SP + 04876-786 + Brazil + (11) 555-9482 + + + 10423 + 1997-01-23T00:00:00 + 1020.00 + + + 10652 + 1997-09-01T00:00:00 + 318.84 + + + 10685 + 1997-09-29T00:00:00 + 801.10 + + + 10709 + 1997-10-17T00:00:00 + 3424.00 + + + 10734 + 1997-11-07T00:00:00 + 1498.35 + + + 10777 + 1997-12-15T00:00:00 + 224.00 + + + 10790 + 1997-12-22T00:00:00 + 722.50 + + + 10959 + 1998-03-18T00:00:00 + 131.75 + + + 11049 + 1998-04-24T00:00:00 + 273.60 + + + + + GREAL + Great Lakes Food Market +
2732 Baker Blvd.
+ Eugene + OR + 97403 + USA + (503) 555-7555 + + + 10528 + 1997-05-06T00:00:00 + 392.20 + + + 10589 + 1997-07-04T00:00:00 + 72.00 + + + 10616 + 1997-07-31T00:00:00 + 4807.00 + + + 10617 + 1997-07-31T00:00:00 + 1402.50 + + + 10656 + 1997-09-04T00:00:00 + 604.22 + + + 10681 + 1997-09-25T00:00:00 + 1287.40 + + + 10816 + 1998-01-06T00:00:00 + 8446.45 + + + 10936 + 1998-03-09T00:00:00 + 456.00 + + + 11006 + 1998-04-07T00:00:00 + 329.68 + + + 11040 + 1998-04-22T00:00:00 + 200.00 + + + 11061 + 1998-04-30T00:00:00 + 510.00 + + + + + GROSR + GROSELLA-Restaurante +
5ª Ave.Los Palos Grandes
+ Caracas + DF + 1081 + Venezuela + (2) 283-2951 + (2) 283-3397 + + + 10268 + 1996-07-30T00:00:00 + 1101.20 + + + 10785 + 1997-12-18T00:00:00 + 387.50 + + + + + HANAR + Hanari Carnes +
Rua do Paço, 67
+ Rio de Janeiro + RJ + 05454-876 + Brazil + (21) 555-0091 + (21) 555-8765 + + + 10250 + 1996-07-08T00:00:00 + 1552.60 + + + 10253 + 1996-07-10T00:00:00 + 1444.80 + + + 10541 + 1997-05-19T00:00:00 + 1946.52 + + + 10645 + 1997-08-26T00:00:00 + 1535.00 + + + 10690 + 1997-10-02T00:00:00 + 862.50 + + + 10770 + 1997-12-09T00:00:00 + 236.25 + + + 10783 + 1997-12-18T00:00:00 + 1442.50 + + + 10886 + 1998-02-13T00:00:00 + 3127.50 + + + 10903 + 1998-02-24T00:00:00 + 932.05 + + + 10922 + 1998-03-03T00:00:00 + 742.50 + + + 10925 + 1998-03-04T00:00:00 + 475.15 + + + 10981 + 1998-03-27T00:00:00 + 15810.00 + + + 11022 + 1998-04-14T00:00:00 + 1402.00 + + + 11052 + 1998-04-27T00:00:00 + 1332.00 + + + + + HILAA + HILARIÓN-Abastos +
Carrera 22 con Ave.Carlos Soublette #8-35
+ San Cristóbal + Táchira + 5022 + Venezuela + (5) 555-1340 + (5) 555-1948 + + + 10257 + 1996-07-16T00:00:00 + 1119.90 + + + 10395 + 1996-12-26T00:00:00 + 2122.92 + + + 10476 + 1997-03-17T00:00:00 + 180.48 + + + 10486 + 1997-03-26T00:00:00 + 1272.00 + + + 10490 + 1997-03-31T00:00:00 + 3163.20 + + + 10498 + 1997-04-07T00:00:00 + 575.00 + + + 10552 + 1997-05-29T00:00:00 + 880.50 + + + 10601 + 1997-07-16T00:00:00 + 2285.00 + + + 10613 + 1997-07-29T00:00:00 + 353.20 + + + 10641 + 1997-08-22T00:00:00 + 2054.00 + + + 10705 + 1997-10-15T00:00:00 + 378.00 + + + 10796 + 1997-12-25T00:00:00 + 2341.36 + + + 10863 + 1998-02-02T00:00:00 + 441.15 + + + 10901 + 1998-02-23T00:00:00 + 934.50 + + + 10957 + 1998-03-18T00:00:00 + 1762.70 + + + 10960 + 1998-03-19T00:00:00 + 265.35 + + + 10976 + 1998-03-25T00:00:00 + 912.00 + + + 11055 + 1998-04-28T00:00:00 + 1727.50 + + + + + HUNGC + Hungry Coyote Import Store +
City Center Plaza, 516 Main St.
+ Elgin + OR + 97827 + USA + (503) 555-6874 + (503) 555-2376 + + + 10375 + 1996-12-06T00:00:00 + 338.00 + + + 10394 + 1996-12-25T00:00:00 + 442.00 + + + 10415 + 1997-01-15T00:00:00 + 102.40 + + + 10600 + 1997-07-16T00:00:00 + 479.80 + + + 10660 + 1997-09-08T00:00:00 + 1701.00 + + + + + HUNGO + Hungry Owl All-Night Grocers +
8 Johnstown Road
+ Cork + Co.Cork + Ireland + 2967 542 + 2967 3333 + + + 10298 + 1996-09-05T00:00:00 + 2645.00 + + + 10309 + 1996-09-19T00:00:00 + 1762.00 + + + 10335 + 1996-10-22T00:00:00 + 2036.16 + + + 10373 + 1996-12-05T00:00:00 + 1366.40 + + + 10380 + 1996-12-12T00:00:00 + 1313.82 + + + 10429 + 1997-01-29T00:00:00 + 1441.38 + + + 10503 + 1997-04-11T00:00:00 + 2048.50 + + + 10516 + 1997-04-24T00:00:00 + 2381.05 + + + 10567 + 1997-06-12T00:00:00 + 2519.00 + + + 10646 + 1997-08-27T00:00:00 + 1446.00 + + + 10661 + 1997-09-09T00:00:00 + 562.60 + + + 10687 + 1997-09-30T00:00:00 + 4960.90 + + + 10701 + 1997-10-13T00:00:00 + 2864.50 + + + 10712 + 1997-10-21T00:00:00 + 1233.48 + + + 10736 + 1997-11-11T00:00:00 + 997.00 + + + 10897 + 1998-02-19T00:00:00 + 10835.24 + + + 10912 + 1998-02-26T00:00:00 + 6200.55 + + + 10985 + 1998-03-30T00:00:00 + 2023.38 + + + 11063 + 1998-04-30T00:00:00 + 1342.95 + + + + + ISLAT + Island Trading +
Garden House, Crowther Way
+ Cowes + Isle of Wight + PO31 7PJ + UK + (198) 555-8888 + + + 10315 + 1996-09-26T00:00:00 + 516.80 + + + 10318 + 1996-10-01T00:00:00 + 240.40 + + + 10321 + 1996-10-03T00:00:00 + 144.00 + + + 10473 + 1997-03-13T00:00:00 + 230.40 + + + 10621 + 1997-08-05T00:00:00 + 758.50 + + + 10674 + 1997-09-18T00:00:00 + 45.00 + + + 10749 + 1997-11-20T00:00:00 + 1080.00 + + + 10798 + 1997-12-26T00:00:00 + 446.60 + + + 10829 + 1998-01-13T00:00:00 + 1764.00 + + + 10933 + 1998-03-06T00:00:00 + 920.60 + + + + + KOENE + Königlich Essen +
Maubelstr. 90
+ Brandenburg + 14776 + Germany + 0555-09876 + + + 10323 + 1996-10-07T00:00:00 + 164.40 + + + 10325 + 1996-10-09T00:00:00 + 1497.00 + + + 10456 + 1997-02-25T00:00:00 + 557.60 + + + 10457 + 1997-02-25T00:00:00 + 1584.00 + + + 10468 + 1997-03-07T00:00:00 + 717.60 + + + 10506 + 1997-04-15T00:00:00 + 415.80 + + + 10542 + 1997-05-20T00:00:00 + 469.11 + + + 10630 + 1997-08-13T00:00:00 + 903.60 + + + 10718 + 1997-10-27T00:00:00 + 3463.00 + + + 10799 + 1997-12-26T00:00:00 + 1553.50 + + + 10817 + 1998-01-06T00:00:00 + 10952.84 + + + 10849 + 1998-01-23T00:00:00 + 967.82 + + + 10893 + 1998-02-18T00:00:00 + 5502.11 + + + 11028 + 1998-04-16T00:00:00 + 2160.00 + + + + + LACOR + La corne d'abondance +
67, avenue de l'Europe
+ Versailles + 78000 + France + 30.59.84.10 + 30.59.85.11 + + + 10858 + 1998-01-29T00:00:00 + 649.00 + + + 10927 + 1998-03-05T00:00:00 + 800.00 + + + 10972 + 1998-03-24T00:00:00 + 251.50 + + + 10973 + 1998-03-24T00:00:00 + 291.55 + + + + + LAMAI + La maison d'Asie +
1 rue Alsace-Lorraine
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1900 Oak St.
+ Vancouver + BC + V3F 2K1 + Canada + (604) 555-3392 + (604) 555-7293 + + + 10495 + 1997-04-03T00:00:00 + 278.00 + + + 10620 + 1997-08-05T00:00:00 + 57.50 + + + 10810 + 1998-01-01T00:00:00 + 187.00 + + + + + LAZYK + Lazy K Kountry Store +
12 Orchestra Terrace
+ Walla Walla + WA + 99362 + USA + (509) 555-7969 + (509) 555-6221 + + + 10482 + 1997-03-21T00:00:00 + 147.00 + + + 10545 + 1997-05-22T00:00:00 + 210.00 + + + + + LEHMS + Lehmanns Marktstand +
Magazinweg 7
+ Frankfurt a.M. + 60528 + Germany + 069-0245984 + 069-0245874 + + + 10279 + 1996-08-13T00:00:00 + 351.00 + + + 10284 + 1996-08-19T00:00:00 + 1170.38 + + + 10343 + 1996-10-31T00:00:00 + 1584.00 + + + 10497 + 1997-04-04T00:00:00 + 1380.60 + + + 10522 + 1997-04-30T00:00:00 + 2318.24 + + + 10534 + 1997-05-12T00:00:00 + 465.70 + + + 10536 + 1997-05-14T00:00:00 + 1645.00 + + + 10557 + 1997-06-03T00:00:00 + 1152.50 + + + 10592 + 1997-07-08T00:00:00 + 516.47 + + + 10593 + 1997-07-09T00:00:00 + 1994.40 + + + 10772 + 1997-12-10T00:00:00 + 3603.22 + + + 10862 + 1998-01-30T00:00:00 + 581.00 + + + 10891 + 1998-02-17T00:00:00 + 368.93 + + + 10934 + 1998-03-09T00:00:00 + 500.00 + + + 11070 + 1998-05-05T00:00:00 + 1629.98 + + + + + LETSS + Let's Stop N Shop +
87 Polk St. Suite 5
+ San Francisco + CA + 94117 + USA + (415) 555-5938 + + + 10579 + 1997-06-25T00:00:00 + 317.75 + + + 10719 + 1997-10-27T00:00:00 + 844.25 + + + 10735 + 1997-11-10T00:00:00 + 536.40 + + + 10884 + 1998-02-12T00:00:00 + 1378.07 + + + + + LILAS + LILA-Supermercado +
Carrera 52 con Ave.Bolívar #65-98 Llano Largo
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Ave. 5 de Mayo Porlamar
+ I.de Margarita + Nueva Esparta + 4980 + Venezuela + (8) 34-56-12 + (8) 34-93-93 + + + 10405 + 1997-01-06T00:00:00 + 400.00 + + + 10485 + 1997-03-25T00:00:00 + 1584.00 + + + 10638 + 1997-08-20T00:00:00 + 2720.05 + + + 10697 + 1997-10-08T00:00:00 + 805.42 + + + 10729 + 1997-11-04T00:00:00 + 1850.00 + + + 10811 + 1998-01-02T00:00:00 + 852.00 + + + 10838 + 1998-01-19T00:00:00 + 1938.38 + + + 10840 + 1998-01-19T00:00:00 + 211.20 + + + 10919 + 1998-03-02T00:00:00 + 1122.80 + + + 10954 + 1998-03-17T00:00:00 + 1659.54 + + + 11014 + 1998-04-10T00:00:00 + 243.18 + + + 11039 + 1998-04-21T00:00:00 + 3090.00 + + + + + LONEP + Lonesome Pine Restaurant +
89 Chiaroscuro Rd.
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Via Ludovico il Moro 22
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Rue Joseph-Bens 532
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43 rue St. Laurent
+ Montréal + Québec + H1J 1C3 + Canada + (514) 555-8054 + (514) 555-8055 + + + 10332 + 1996-10-17T00:00:00 + 1786.88 + + + 10339 + 1996-10-28T00:00:00 + 3354.00 + + + 10376 + 1996-12-09T00:00:00 + 399.00 + + + 10424 + 1997-01-23T00:00:00 + 9194.56 + + + 10439 + 1997-02-07T00:00:00 + 1078.00 + + + 10505 + 1997-04-14T00:00:00 + 147.90 + + + 10565 + 1997-06-11T00:00:00 + 639.90 + + + 10570 + 1997-06-17T00:00:00 + 2465.25 + + + 10590 + 1997-07-07T00:00:00 + 1101.00 + + + 10605 + 1997-07-21T00:00:00 + 4109.70 + + + 10618 + 1997-08-01T00:00:00 + 2697.50 + + + 10619 + 1997-08-04T00:00:00 + 1260.00 + + + 10724 + 1997-10-30T00:00:00 + 638.50 + + + + + MORGK + Morgenstern Gesundkost +
Heerstr. 22
+ Leipzig + 04179 + Germany + 0342-023176 + + + 10277 + 1996-08-09T00:00:00 + 1200.80 + + + 10575 + 1997-06-20T00:00:00 + 2147.40 + + + 10699 + 1997-10-09T00:00:00 + 114.00 + + + 10779 + 1997-12-16T00:00:00 + 1335.00 + + + 10945 + 1998-03-12T00:00:00 + 245.00 + + + + + NORTS + North/South +
South House, 300 Queensbridge
+ London + SW7 1RZ + UK + (171) 555-7733 + (171) 555-2530 + + + 10517 + 1997-04-24T00:00:00 + 352.00 + + + 10752 + 1997-11-24T00:00:00 + 252.00 + + + 11057 + 1998-04-29T00:00:00 + 45.00 + + + + + OCEAN + Océano Atlántico Ltda. +
Ing.Gustavo Moncada 8585, Piso 20-A
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2743 Bering St.
+ Anchorage + AK + 99508 + USA + (907) 555-7584 + (907) 555-2880 + + + 10260 + 1996-07-19T00:00:00 + 1504.65 + + + 10305 + 1996-09-13T00:00:00 + 3741.30 + + + 10338 + 1996-10-25T00:00:00 + 934.50 + + + 10441 + 1997-02-10T00:00:00 + 1755.00 + + + 10594 + 1997-07-09T00:00:00 + 565.50 + + + 10680 + 1997-09-24T00:00:00 + 1261.88 + + + 10706 + 1997-10-16T00:00:00 + 1893.00 + + + 10855 + 1998-01-27T00:00:00 + 2227.89 + + + 10965 + 1998-03-20T00:00:00 + 848.00 + + + 11034 + 1998-04-20T00:00:00 + 539.40 + + + + + OTTIK + Ottilies Käseladen +
Mehrheimerstr. 369
+ Köln + 50739 + Germany + 0221-0644327 + 0221-0765721 + + + 10407 + 1997-01-07T00:00:00 + 1194.00 + + + 10508 + 1997-04-16T00:00:00 + 240.00 + + + 10554 + 1997-05-30T00:00:00 + 1728.52 + + + 10580 + 1997-06-26T00:00:00 + 1013.74 + + + 10684 + 1997-09-26T00:00:00 + 1768.00 + + + 10766 + 1997-12-05T00:00:00 + 2310.00 + + + 10833 + 1998-01-15T00:00:00 + 906.93 + + + 10999 + 1998-04-03T00:00:00 + 1197.95 + + + 11020 + 1998-04-14T00:00:00 + 632.40 + + + + + PARIS + Paris spécialités +
265, boulevard Charonne
+ Paris + 75012 + France + (1) 42.34.22.66 + (1) 42.34.22.77 + + + + PERIC + Pericles Comidas clásicas +
Calle Dr.Jorge Cash 321
+ México D.F. + 05033 + Mexico + (5) 552-3745 + (5) 545-3745 + + + 10322 + 1996-10-04T00:00:00 + 112.00 + + + 10354 + 1996-11-14T00:00:00 + 568.80 + + + 10474 + 1997-03-13T00:00:00 + 1249.10 + + + 10502 + 1997-04-10T00:00:00 + 816.30 + + + 10995 + 1998-04-02T00:00:00 + 1196.00 + + + 11073 + 1998-05-05T00:00:00 + 300.00 + + + + + PICCO + Piccolo und mehr +
Geislweg 14
+ Salzburg + 5020 + Austria + 6562-9722 + 6562-9723 + + + 10353 + 1996-11-13T00:00:00 + 8593.28 + + + 10392 + 1996-12-24T00:00:00 + 1440.00 + + + 10427 + 1997-01-27T00:00:00 + 651.00 + + + 10489 + 1997-03-28T00:00:00 + 439.20 + + + 10530 + 1997-05-08T00:00:00 + 4180.00 + + + 10597 + 1997-07-11T00:00:00 + 718.08 + + + 10686 + 1997-09-30T00:00:00 + 1404.45 + + + 10747 + 1997-11-19T00:00:00 + 1912.85 + + + 10844 + 1998-01-21T00:00:00 + 735.00 + + + 11053 + 1998-04-27T00:00:00 + 3055.00 + + + + + PRINI + Princesa Isabel Vinhos +
Estrada da saúde n. 58
+ Lisboa + 1756 + Portugal + (1) 356-5634 + + + 10336 + 1996-10-23T00:00:00 + 285.12 + + + 10397 + 1996-12-27T00:00:00 + 716.72 + + + 10433 + 1997-02-03T00:00:00 + 851.20 + + + 10477 + 1997-03-17T00:00:00 + 558.00 + + + 10808 + 1998-01-01T00:00:00 + 1411.00 + + + 11007 + 1998-04-08T00:00:00 + 2633.90 + + + + + QUEDE + Que Delícia +
Rua da Panificadora, 12
+ Rio de Janeiro + RJ + 02389-673 + Brazil + (21) 555-4252 + (21) 555-4545 + + + 10261 + 1996-07-19T00:00:00 + 448.00 + + + 10291 + 1996-08-27T00:00:00 + 497.52 + + + 10379 + 1996-12-11T00:00:00 + 863.28 + + + 10421 + 1997-01-21T00:00:00 + 1194.27 + + + 10587 + 1997-07-02T00:00:00 + 807.38 + + + 10647 + 1997-08-27T00:00:00 + 636.00 + + + 10720 + 1997-10-28T00:00:00 + 550.00 + + + 10794 + 1997-12-24T00:00:00 + 314.76 + + + 10989 + 1998-03-31T00:00:00 + 1353.60 + + + + + QUEEN + Queen Cozinha +
Alameda dos Canàrios, 891
+ São Paulo + SP + 05487-020 + Brazil + (11) 555-1189 + + + 10372 + 1996-12-04T00:00:00 + 9210.90 + + + 10406 + 1997-01-07T00:00:00 + 1830.78 + + + 10487 + 1997-03-26T00:00:00 + 889.70 + + + 10637 + 1997-08-19T00:00:00 + 2761.94 + + + 10659 + 1997-09-05T00:00:00 + 1227.02 + + + 10704 + 1997-10-14T00:00:00 + 595.50 + + + 10728 + 1997-11-04T00:00:00 + 1296.75 + + + 10786 + 1997-12-19T00:00:00 + 1531.08 + + + 10868 + 1998-02-04T00:00:00 + 1920.60 + + + 10913 + 1998-02-26T00:00:00 + 768.75 + + + 10914 + 1998-02-27T00:00:00 + 537.50 + + + 10961 + 1998-03-19T00:00:00 + 1119.90 + + + 11068 + 1998-05-04T00:00:00 + 2027.08 + + + + + QUICK + QUICK-Stop +
Taucherstraße 10
+ Cunewalde + 01307 + Germany + 0372-035188 + + + 10273 + 1996-08-05T00:00:00 + 2037.28 + + + 10285 + 1996-08-20T00:00:00 + 1743.36 + + + 10286 + 1996-08-21T00:00:00 + 3016.00 + + + 10313 + 1996-09-24T00:00:00 + 182.40 + + + 10345 + 1996-11-04T00:00:00 + 2924.80 + + + 10361 + 1996-11-22T00:00:00 + 2046.24 + + + 10418 + 1997-01-17T00:00:00 + 1814.80 + + + 10451 + 1997-02-19T00:00:00 + 3849.66 + + + 10515 + 1997-04-23T00:00:00 + 9921.30 + + + 10527 + 1997-05-05T00:00:00 + 1503.00 + + + 10540 + 1997-05-19T00:00:00 + 10191.70 + + + 10549 + 1997-05-27T00:00:00 + 3554.28 + + + 10588 + 1997-07-03T00:00:00 + 3120.00 + + + 10658 + 1997-09-05T00:00:00 + 4464.60 + + + 10691 + 1997-10-03T00:00:00 + 10164.80 + + + 10694 + 1997-10-06T00:00:00 + 4825.00 + + + 10721 + 1997-10-29T00:00:00 + 923.88 + + + 10745 + 1997-11-18T00:00:00 + 4529.80 + + + 10765 + 1997-12-04T00:00:00 + 1515.60 + + + 10788 + 1997-12-22T00:00:00 + 731.50 + + + 10845 + 1998-01-21T00:00:00 + 3812.70 + + + 10865 + 1998-02-02T00:00:00 + 16387.50 + + + 10878 + 1998-02-10T00:00:00 + 1539.00 + + + 10938 + 1998-03-10T00:00:00 + 2731.88 + + + 10962 + 1998-03-19T00:00:00 + 3584.00 + + + 10991 + 1998-04-01T00:00:00 + 2296.00 + + + 10996 + 1998-04-02T00:00:00 + 560.00 + + + 11021 + 1998-04-14T00:00:00 + 6306.24 + + + + + RANCH + Rancho grande +
Av.del Libertador 900
+ Buenos Aires + 1010 + Argentina + (1) 123-5555 + (1) 123-5556 + + + 10448 + 1997-02-17T00:00:00 + 443.40 + + + 10716 + 1997-10-24T00:00:00 + 706.00 + + + 10828 + 1998-01-13T00:00:00 + 932.00 + + + 10916 + 1998-02-27T00:00:00 + 686.70 + + + 11019 + 1998-04-13T00:00:00 + 76.00 + + + + + RATTC + Rattlesnake Canyon Grocery +
2817 Milton Dr.
+ Albuquerque + NM + 87110 + USA + (505) 555-5939 + (505) 555-3620 + + + 10262 + 1996-07-22T00:00:00 + 584.00 + + + 10272 + 1996-08-02T00:00:00 + 1456.00 + + + 10294 + 1996-08-30T00:00:00 + 1887.60 + + + 10314 + 1996-09-25T00:00:00 + 2094.30 + + + 10316 + 1996-09-27T00:00:00 + 2835.00 + + + 10346 + 1996-11-05T00:00:00 + 1618.88 + + + 10401 + 1997-01-01T00:00:00 + 3868.60 + + + 10479 + 1997-03-19T00:00:00 + 10495.60 + + + 10564 + 1997-06-10T00:00:00 + 1234.05 + + + 10569 + 1997-06-16T00:00:00 + 890.00 + + + 10598 + 1997-07-14T00:00:00 + 2388.50 + + + 10761 + 1997-12-02T00:00:00 + 507.00 + + + 10820 + 1998-01-07T00:00:00 + 1140.00 + + + 10852 + 1998-01-26T00:00:00 + 2984.00 + + + 10889 + 1998-02-16T00:00:00 + 11380.00 + + + 10988 + 1998-03-31T00:00:00 + 3574.80 + + + 11000 + 1998-04-06T00:00:00 + 903.75 + + + 11077 + 1998-05-06T00:00:00 + 1255.72 + + + + + REGGC + Reggiani Caseifici +
Strada Provinciale 124
+ Reggio Emilia + 42100 + Italy + 0522-556721 + 0522-556722 + + + 10288 + 1996-08-23T00:00:00 + 80.10 + + + 10428 + 1997-01-28T00:00:00 + 192.00 + + + 10443 + 1997-02-12T00:00:00 + 517.44 + + + 10562 + 1997-06-09T00:00:00 + 488.70 + + + 10586 + 1997-07-02T00:00:00 + 23.80 + + + 10655 + 1997-09-03T00:00:00 + 154.40 + + + 10727 + 1997-11-03T00:00:00 + 1624.50 + + + 10812 + 1998-01-02T00:00:00 + 1692.80 + + + 10908 + 1998-02-26T00:00:00 + 663.10 + + + 10942 + 1998-03-11T00:00:00 + 560.00 + + + 11010 + 1998-04-09T00:00:00 + 645.00 + + + 11062 + 1998-04-30T00:00:00 + 406.40 + + + + + RICAR + Ricardo Adocicados +
Av.Copacabana, 267
+ Rio de Janeiro + RJ + 02389-890 + Brazil + (21) 555-3412 + + + 10287 + 1996-08-22T00:00:00 + 819.00 + + + 10299 + 1996-09-06T00:00:00 + 349.50 + + + 10447 + 1997-02-14T00:00:00 + 914.40 + + + 10481 + 1997-03-20T00:00:00 + 1472.00 + + + 10563 + 1997-06-10T00:00:00 + 965.00 + + + 10622 + 1997-08-06T00:00:00 + 560.00 + + + 10648 + 1997-08-28T00:00:00 + 372.38 + + + 10813 + 1998-01-05T00:00:00 + 602.40 + + + 10851 + 1998-01-26T00:00:00 + 2603.00 + + + 10877 + 1998-02-09T00:00:00 + 1955.12 + + + 11059 + 1998-04-29T00:00:00 + 1838.00 + + + + + RICSU + Richter Supermarkt +
Grenzacherweg 237
+ Genève + 1203 + Switzerland + 0897-034214 + + + 10255 + 1996-07-12T00:00:00 + 2490.50 + + + 10419 + 1997-01-20T00:00:00 + 2097.60 + + + 10537 + 1997-05-14T00:00:00 + 1823.80 + + + 10666 + 1997-09-12T00:00:00 + 4666.94 + + + 10751 + 1997-11-24T00:00:00 + 1631.48 + + + 10758 + 1997-11-28T00:00:00 + 1644.60 + + + 10931 + 1998-03-06T00:00:00 + 799.20 + + + 10951 + 1998-03-16T00:00:00 + 458.76 + + + 11033 + 1998-04-17T00:00:00 + 3232.80 + + + 11075 + 1998-05-06T00:00:00 + 498.10 + + + + + ROMEY + Romero y tomillo +
Gran Vía, 1
+ Madrid + 28001 + Spain + (91) 745 6200 + (91) 745 6210 + + + 10281 + 1996-08-14T00:00:00 + 86.50 + + + 10282 + 1996-08-15T00:00:00 + 155.40 + + + 10306 + 1996-09-16T00:00:00 + 498.50 + + + 10917 + 1998-03-02T00:00:00 + 365.89 + + + 11013 + 1998-04-09T00:00:00 + 361.00 + + + + + SANTG + Santé Gourmet +
Erling Skakkes gate 78
+ Stavern + 4110 + Norway + 07-98 92 35 + 07-98 92 47 + + + 10387 + 1996-12-18T00:00:00 + 1058.40 + + + 10520 + 1997-04-29T00:00:00 + 200.00 + + + 10639 + 1997-08-20T00:00:00 + 500.00 + + + 10831 + 1998-01-14T00:00:00 + 2684.40 + + + 10909 + 1998-02-26T00:00:00 + 670.00 + + + 11015 + 1998-04-10T00:00:00 + 622.35 + + + + + SAVEA + Save-a-lot Markets +
187 Suffolk Ln.
+ Boise + ID + 83720 + USA + (208) 555-8097 + + + 10324 + 1996-10-08T00:00:00 + 5275.72 + + + 10393 + 1996-12-25T00:00:00 + 2556.95 + + + 10398 + 1996-12-30T00:00:00 + 2505.60 + + + 10440 + 1997-02-10T00:00:00 + 4924.14 + + + 10452 + 1997-02-20T00:00:00 + 2018.50 + + + 10510 + 1997-04-18T00:00:00 + 4707.54 + + + 10555 + 1997-06-02T00:00:00 + 2944.40 + + + 10603 + 1997-07-18T00:00:00 + 1483.00 + + + 10607 + 1997-07-22T00:00:00 + 6475.40 + + + 10612 + 1997-07-28T00:00:00 + 6375.00 + + + 10627 + 1997-08-11T00:00:00 + 1185.75 + + + 10657 + 1997-09-04T00:00:00 + 4371.60 + + + 10678 + 1997-09-23T00:00:00 + 5256.50 + + + 10700 + 1997-10-10T00:00:00 + 1638.40 + + + 10711 + 1997-10-21T00:00:00 + 4451.70 + + + 10713 + 1997-10-22T00:00:00 + 2827.90 + + + 10714 + 1997-10-22T00:00:00 + 2205.75 + + + 10722 + 1997-10-29T00:00:00 + 1570.00 + + + 10748 + 1997-11-20T00:00:00 + 2196.00 + + + 10757 + 1997-11-27T00:00:00 + 3082.00 + + + 10815 + 1998-01-05T00:00:00 + 40.00 + + + 10847 + 1998-01-22T00:00:00 + 4931.92 + + + 10882 + 1998-02-11T00:00:00 + 892.64 + + + 10894 + 1998-02-18T00:00:00 + 2753.10 + + + 10941 + 1998-03-11T00:00:00 + 4011.75 + + + 10983 + 1998-03-27T00:00:00 + 720.90 + + + 10984 + 1998-03-30T00:00:00 + 1809.75 + + + 11002 + 1998-04-06T00:00:00 + 1811.10 + + + 11030 + 1998-04-17T00:00:00 + 12615.05 + + + 11031 + 1998-04-17T00:00:00 + 2393.50 + + + 11064 + 1998-05-01T00:00:00 + 4330.40 + + + + + SEVES + Seven Seas Imports +
90 Wadhurst Rd.
+ London + OX15 4NB + UK + (171) 555-1717 + (171) 555-5646 + + + 10359 + 1996-11-21T00:00:00 + 3471.68 + + + 10377 + 1996-12-09T00:00:00 + 863.60 + + + 10388 + 1996-12-19T00:00:00 + 1228.80 + + + 10472 + 1997-03-12T00:00:00 + 1036.80 + + + 10523 + 1997-05-01T00:00:00 + 2444.31 + + + 10547 + 1997-05-23T00:00:00 + 1792.80 + + + 10800 + 1997-12-26T00:00:00 + 1468.94 + + + 10804 + 1997-12-30T00:00:00 + 2278.40 + + + 10869 + 1998-02-04T00:00:00 + 1630.00 + + + + + SIMOB + Simons bistro +
Vinbæltet 34
+ København + 1734 + Denmark + 31 12 34 56 + 31 13 35 57 + + + 10341 + 1996-10-29T00:00:00 + 352.60 + + + 10417 + 1997-01-16T00:00:00 + 11188.40 + + + 10556 + 1997-06-03T00:00:00 + 835.20 + + + 10642 + 1997-08-22T00:00:00 + 696.00 + + + 10669 + 1997-09-15T00:00:00 + 570.00 + + + 10802 + 1997-12-29T00:00:00 + 2942.81 + + + 11074 + 1998-05-06T00:00:00 + 232.08 + + + + + SPECD + Spécialités du monde +
25, rue Lauriston
+ Paris + 75016 + France + (1) 47.55.60.10 + (1) 47.55.60.20 + + + 10738 + 1997-11-12T00:00:00 + 52.35 + + + 10907 + 1998-02-25T00:00:00 + 108.50 + + + 10964 + 1998-03-20T00:00:00 + 2052.50 + + + 11043 + 1998-04-22T00:00:00 + 210.00 + + + + + SPLIR + Split Rail Beer & Ale +
P.O.Box 555
+ Lander + WY + 82520 + USA + (307) 555-4680 + (307) 555-6525 + + + 10271 + 1996-08-01T00:00:00 + 48.00 + + + 10329 + 1996-10-15T00:00:00 + 4578.43 + + + 10349 + 1996-11-08T00:00:00 + 141.60 + + + 10369 + 1996-12-02T00:00:00 + 2390.40 + + + 10385 + 1996-12-17T00:00:00 + 691.20 + + + 10432 + 1997-01-31T00:00:00 + 485.00 + + + 10756 + 1997-11-27T00:00:00 + 1990.00 + + + 10821 + 1998-01-08T00:00:00 + 678.00 + + + 10974 + 1998-03-25T00:00:00 + 439.00 + + + + + SUPRD + Suprêmes délices +
Boulevard Tirou, 255
+ Charleroi + B-6000 + Belgium + (071) 23 67 22 20 + (071) 23 67 22 21 + + + 10252 + 1996-07-09T00:00:00 + 3597.90 + + + 10302 + 1996-09-10T00:00:00 + 2708.80 + + + 10458 + 1997-02-26T00:00:00 + 3891.00 + + + 10463 + 1997-03-04T00:00:00 + 713.30 + + + 10475 + 1997-03-14T00:00:00 + 1505.18 + + + 10767 + 1997-12-05T00:00:00 + 28.00 + + + 10841 + 1998-01-20T00:00:00 + 4581.00 + + + 10846 + 1998-01-22T00:00:00 + 1112.00 + + + 10885 + 1998-02-12T00:00:00 + 1209.00 + + + 10930 + 1998-03-06T00:00:00 + 2255.50 + + + 11035 + 1998-04-20T00:00:00 + 1754.50 + + + 11038 + 1998-04-21T00:00:00 + 732.60 + + + + + THEBI + The Big Cheese +
89 Jefferson Way, Suite 2
+ Portland + OR + 97201 + USA + (503) 555-3612 + + + 10310 + 1996-09-20T00:00:00 + 336.00 + + + 10708 + 1997-10-17T00:00:00 + 180.40 + + + 10805 + 1997-12-30T00:00:00 + 2775.00 + + + 10992 + 1998-04-01T00:00:00 + 69.60 + + + + + THECR + The Cracker Box +
55 Grizzly Peak Rd.
+ Butte + MT + 59801 + USA + (406) 555-5834 + (406) 555-8083 + + + 10624 + 1997-08-07T00:00:00 + 1393.24 + + + 10775 + 1997-12-12T00:00:00 + 228.00 + + + 11003 + 1998-04-06T00:00:00 + 326.00 + + + + + TOMSP + Toms Spezialitäten +
Luisenstr. 48
+ Münster + 44087 + Germany + 0251-031259 + 0251-035695 + + + 10438 + 1997-02-06T00:00:00 + 454.00 + + + 10446 + 1997-02-14T00:00:00 + 246.24 + + + 10548 + 1997-05-26T00:00:00 + 240.10 + + + 10608 + 1997-07-23T00:00:00 + 1064.00 + + + 10967 + 1998-03-23T00:00:00 + 910.40 + + + + + TORTU + Tortuga Restaurante +
Avda.Azteca 123
+ México D.F. + 05033 + Mexico + (5) 555-2933 + + + 10276 + 1996-08-08T00:00:00 + 420.00 + + + 10293 + 1996-08-29T00:00:00 + 848.70 + + + 10304 + 1996-09-12T00:00:00 + 954.40 + + + 10319 + 1996-10-02T00:00:00 + 1191.20 + + + 10518 + 1997-04-25T00:00:00 + 4150.05 + + + 10576 + 1997-06-23T00:00:00 + 838.45 + + + 10676 + 1997-09-22T00:00:00 + 534.85 + + + 10842 + 1998-01-20T00:00:00 + 975.00 + + + 10915 + 1998-02-27T00:00:00 + 539.50 + + + 11069 + 1998-05-04T00:00:00 + 360.00 + + + + + TRADH + Tradição Hipermercados +
Av.Inês de Castro, 414
+ São Paulo + SP + 05634-030 + Brazil + (11) 555-2167 + (11) 555-2168 + + + 10249 + 1996-07-05T00:00:00 + 1863.40 + + + 10292 + 1996-08-28T00:00:00 + 1296.00 + + + 10496 + 1997-04-04T00:00:00 + 190.00 + + + 10606 + 1997-07-22T00:00:00 + 1130.40 + + + 10830 + 1998-01-13T00:00:00 + 1974.00 + + + 10834 + 1998-01-15T00:00:00 + 1432.71 + + + 10839 + 1998-01-19T00:00:00 + 827.55 + + + + + TRAIH + Trail's Head Gourmet Provisioners +
722 DaVinci Blvd.
+ Kirkland + WA + 98034 + USA + (206) 555-8257 + (206) 555-2174 + + + 10574 + 1997-06-19T00:00:00 + 764.30 + + + 10577 + 1997-06-23T00:00:00 + 569.00 + + + 10822 + 1998-01-08T00:00:00 + 237.90 + + + + + VAFFE + Vaffeljernet +
Smagsløget 45
+ Århus + 8200 + Denmark + 86 21 32 43 + 86 22 33 44 + + + 10367 + 1996-11-28T00:00:00 + 834.20 + + + 10399 + 1996-12-31T00:00:00 + 1765.60 + + + 10465 + 1997-03-05T00:00:00 + 2518.00 + + + 10591 + 1997-07-07T00:00:00 + 812.50 + + + 10602 + 1997-07-17T00:00:00 + 48.75 + + + 10688 + 1997-10-01T00:00:00 + 3160.60 + + + 10744 + 1997-11-17T00:00:00 + 736.00 + + + 10769 + 1997-12-08T00:00:00 + 1684.28 + + + 10921 + 1998-03-03T00:00:00 + 1936.00 + + + 10946 + 1998-03-12T00:00:00 + 1407.50 + + + 10994 + 1998-04-02T00:00:00 + 940.50 + + + + + VICTE + Victuailles en stock +
2, rue du Commerce
+ Lyon + 69004 + France + 78.32.54.86 + 78.32.54.87 + + + 10251 + 1996-07-08T00:00:00 + 654.06 + + + 10334 + 1996-10-21T00:00:00 + 144.80 + + + 10450 + 1997-02-19T00:00:00 + 425.12 + + + 10459 + 1997-02-27T00:00:00 + 1659.20 + + + 10478 + 1997-03-18T00:00:00 + 471.20 + + + 10546 + 1997-05-23T00:00:00 + 2812.00 + + + 10806 + 1997-12-31T00:00:00 + 439.60 + + + 10814 + 1998-01-05T00:00:00 + 1788.45 + + + 10843 + 1998-01-21T00:00:00 + 159.00 + + + 10850 + 1998-01-23T00:00:00 + 629.00 + + + + + VINET + Vins et alcools Chevalier +
59 rue de l'Abbaye
+ Reims + 51100 + France + 26.47.15.10 + 26.47.15.11 + + + 10274 + 1996-08-06T00:00:00 + 538.60 + + + 10295 + 1996-09-02T00:00:00 + 121.60 + + + 10737 + 1997-11-11T00:00:00 + 139.80 + + + 10739 + 1997-11-12T00:00:00 + 240.00 + + + + + WANDK + Die Wandernde Kuh +
Adenauerallee 900
+ Stuttgart + 70563 + Germany + 0711-020361 + 0711-035428 + + + 10301 + 1996-09-09T00:00:00 + 755.00 + + + 10312 + 1996-09-23T00:00:00 + 1614.80 + + + 10348 + 1996-11-07T00:00:00 + 363.60 + + + 10356 + 1996-11-18T00:00:00 + 1106.40 + + + 10513 + 1997-04-22T00:00:00 + 1942.00 + + + 10632 + 1997-08-14T00:00:00 + 589.00 + + + 10640 + 1997-08-21T00:00:00 + 708.75 + + + 10651 + 1997-09-01T00:00:00 + 397.80 + + + 10668 + 1997-09-15T00:00:00 + 625.28 + + + 11046 + 1998-04-23T00:00:00 + 1485.80 + + + + + WARTH + Wartian Herkku +
Torikatu 38
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Rua do Mercado, 12
+ Resende + SP + 08737-363 + Brazil + (14) 555-8122 + + + 10256 + 1996-07-15T00:00:00 + 517.80 + + + 10420 + 1997-01-21T00:00:00 + 1707.84 + + + 10585 + 1997-07-01T00:00:00 + 142.50 + + + 10644 + 1997-08-25T00:00:00 + 1371.80 + + + 10803 + 1997-12-30T00:00:00 + 1193.01 + + + 10809 + 1998-01-01T00:00:00 + 140.00 + + + 10900 + 1998-02-20T00:00:00 + 33.75 + + + 10905 + 1998-02-24T00:00:00 + 342.00 + + + 10935 + 1998-03-09T00:00:00 + 619.50 + + + + + WHITC + White Clover Markets +
305 - 14th Ave.S.Suite 3B
+ Seattle + WA + 98128 + USA + (206) 555-4112 + (206) 555-4115 + + + 10269 + 1996-07-31T00:00:00 + 642.20 + + + 10344 + 1996-11-01T00:00:00 + 2296.00 + + + 10469 + 1997-03-10T00:00:00 + 956.68 + + + 10483 + 1997-03-24T00:00:00 + 668.80 + + + 10504 + 1997-04-11T00:00:00 + 1388.50 + + + 10596 + 1997-07-11T00:00:00 + 1180.88 + + + 10693 + 1997-10-06T00:00:00 + 2071.20 + + + 10696 + 1997-10-08T00:00:00 + 996.00 + + + 10723 + 1997-10-30T00:00:00 + 468.45 + + + 10740 + 1997-11-13T00:00:00 + 1416.00 + + + 10861 + 1998-01-30T00:00:00 + 3523.40 + + + 10904 + 1998-02-24T00:00:00 + 1924.25 + + + 11032 + 1998-04-17T00:00:00 + 8902.50 + + + 11066 + 1998-05-01T00:00:00 + 928.75 + + + + + WILMK + Wilman Kala +
Keskuskatu 45
+ Helsinki + 21240 + Finland + 90-224 8858 + 90-224 8858 + + + 10248 + 1996-07-04T00:00:00 + 440.00 + + + 10615 + 1997-07-30T00:00:00 + 120.00 + + + 10673 + 1997-09-18T00:00:00 + 412.35 + + + 10695 + 1997-10-07T00:00:00 + 642.00 + + + 10873 + 1998-02-06T00:00:00 + 336.80 + + + 10879 + 1998-02-10T00:00:00 + 611.30 + + + 10910 + 1998-02-26T00:00:00 + 452.90 + + + 11005 + 1998-04-07T00:00:00 + 586.00 + + + + + WOLZA + Wolski Zajazd +
ul.Filtrowa 68
+ Warszawa + 01-012 + Poland + (26) 642-7012 + (26) 642-7012 + + + 10374 + 1996-12-05T00:00:00 + 459.00 + + + 10611 + 1997-07-25T00:00:00 + 808.00 + + + 10792 + 1997-12-23T00:00:00 + 399.85 + + + 10870 + 1998-02-04T00:00:00 + 160.00 + + + 10906 + 1998-02-25T00:00:00 + 427.50 + + + 10998 + 1998-04-03T00:00:00 + 686.00 + + + 11044 + 1998-04-23T00:00:00 + 591.60 + + + +"; + #endregion + private List productList = - new List { - new Product { ProductID = 1, ProductName = "Chai", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 39 }, - new Product { ProductID = 2, ProductName = "Chang", Category = "Beverages", UnitPrice = 19.0000M, UnitsInStock = 17 }, - new Product { ProductID = 3, ProductName = "Aniseed Syrup", Category = "Condiments", UnitPrice = 10.0000M, UnitsInStock = 13 }, - new Product { ProductID = 4, ProductName = "Chef Anton's Cajun Seasoning", Category = "Condiments", UnitPrice = 22.0000M, UnitsInStock = 53 }, - new Product { ProductID = 5, ProductName = "Chef Anton's Gumbo Mix", Category = "Condiments", UnitPrice = 21.3500M, UnitsInStock = 0 }, - new Product { ProductID = 6, ProductName = "Grandma's Boysenberry Spread", Category = "Condiments", UnitPrice = 25.0000M, UnitsInStock = 120 }, - new Product { ProductID = 7, ProductName = "Uncle Bob's Organic Dried Pears", Category = "Produce", UnitPrice = 30.0000M, UnitsInStock = 15 }, - new Product { ProductID = 8, ProductName = "Northwoods Cranberry Sauce", Category = "Condiments", UnitPrice = 40.0000M, UnitsInStock = 6 }, - new Product { ProductID = 9, ProductName = "Mishi Kobe Niku", Category = "Meat/Poultry", UnitPrice = 97.0000M, UnitsInStock = 29 }, - new Product { ProductID = 10, ProductName = "Ikura", Category = "Seafood", UnitPrice = 31.0000M, UnitsInStock = 31 }, - new Product { ProductID = 11, ProductName = "Queso Cabrales", Category = "Dairy Products", UnitPrice = 21.0000M, UnitsInStock = 22 }, - new Product { ProductID = 12, ProductName = "Queso Manchego La Pastora", Category = "Dairy Products", UnitPrice = 38.0000M, UnitsInStock = 86 }, - new Product { ProductID = 13, ProductName = "Konbu", Category = "Seafood", UnitPrice = 6.0000M, UnitsInStock = 24 }, - new Product { ProductID = 14, ProductName = "Tofu", Category = "Produce", UnitPrice = 23.2500M, UnitsInStock = 35 }, - new Product { ProductID = 15, ProductName = "Genen Shouyu", Category = "Condiments", UnitPrice = 15.5000M, UnitsInStock = 39 }, - new Product { ProductID = 16, ProductName = "Pavlova", Category = "Confections", UnitPrice = 17.4500M, UnitsInStock = 29 }, - new Product { ProductID = 17, ProductName = "Alice Mutton", Category = "Meat/Poultry", UnitPrice = 39.0000M, UnitsInStock = 0 }, - new Product { ProductID = 18, ProductName = "Carnarvon Tigers", Category = "Seafood", UnitPrice = 62.5000M, UnitsInStock = 42 }, - new Product { ProductID = 19, ProductName = "Teatime Chocolate Biscuits", Category = "Confections", UnitPrice = 9.2000M, UnitsInStock = 25 }, - new Product { ProductID = 20, ProductName = "Sir Rodney's Marmalade", Category = "Confections", UnitPrice = 81.0000M, UnitsInStock = 40 }, - new Product { ProductID = 21, ProductName = "Sir Rodney's Scones", Category = "Confections", UnitPrice = 10.0000M, UnitsInStock = 3 }, - new Product { ProductID = 22, ProductName = "Gustaf's Knäckebröd", Category = "Grains/Cereals", UnitPrice = 21.0000M, UnitsInStock = 104 }, - new Product { ProductID = 23, ProductName = "Tunnbröd", Category = "Grains/Cereals", UnitPrice = 9.0000M, UnitsInStock = 61 }, - new Product { ProductID = 24, ProductName = "Guaraná Fantástica", Category = "Beverages", UnitPrice = 4.5000M, UnitsInStock = 20 }, - new Product { ProductID = 25, ProductName = "NuNuCa Nuß-Nougat-Creme", Category = "Confections", UnitPrice = 14.0000M, UnitsInStock = 76 }, - new Product { ProductID = 26, ProductName = "Gumbär Gummibärchen", Category = "Confections", UnitPrice = 31.2300M, UnitsInStock = 15 }, - new Product { ProductID = 27, ProductName = "Schoggi Schokolade", Category = "Confections", UnitPrice = 43.9000M, UnitsInStock = 49 }, - new Product { ProductID = 28, ProductName = "Rössle Sauerkraut", Category = "Produce", UnitPrice = 45.6000M, UnitsInStock = 26 }, - new Product { ProductID = 29, ProductName = "Thüringer Rostbratwurst", Category = "Meat/Poultry", UnitPrice = 123.7900M, UnitsInStock = 0 }, - new Product { ProductID = 30, ProductName = "Nord-Ost Matjeshering", Category = "Seafood", UnitPrice = 25.8900M, UnitsInStock = 10 }, - new Product { ProductID = 31, ProductName = "Gorgonzola Telino", Category = "Dairy Products", UnitPrice = 12.5000M, UnitsInStock = 0 }, - new Product { ProductID = 32, ProductName = "Mascarpone Fabioli", Category = "Dairy Products", UnitPrice = 32.0000M, UnitsInStock = 9 }, - new Product { ProductID = 33, ProductName = "Geitost", Category = "Dairy Products", UnitPrice = 2.5000M, UnitsInStock = 112 }, - new Product { ProductID = 34, ProductName = "Sasquatch Ale", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 111 }, - new Product { ProductID = 35, ProductName = "Steeleye Stout", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 20 }, - new Product { ProductID = 36, ProductName = "Inlagd Sill", Category = "Seafood", UnitPrice = 19.0000M, UnitsInStock = 112 }, - new Product { ProductID = 37, ProductName = "Gravad lax", Category = "Seafood", UnitPrice = 26.0000M, UnitsInStock = 11 }, - new Product { ProductID = 38, ProductName = "Côte de Blaye", Category = "Beverages", UnitPrice = 263.5000M, UnitsInStock = 17 }, - new Product { ProductID = 39, ProductName = "Chartreuse verte", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 69 }, - new Product { ProductID = 40, ProductName = "Boston Crab Meat", Category = "Seafood", UnitPrice = 18.4000M, UnitsInStock = 123 }, - new Product { ProductID = 41, ProductName = "Jack's New England Clam Chowder", Category = "Seafood", UnitPrice = 9.6500M, UnitsInStock = 85 }, - new Product { ProductID = 42, ProductName = "Singaporean Hokkien Fried Mee", Category = "Grains/Cereals", UnitPrice = 14.0000M, UnitsInStock = 26 }, - new Product { ProductID = 43, ProductName = "Ipoh Coffee", Category = "Beverages", UnitPrice = 46.0000M, UnitsInStock = 17 }, - new Product { ProductID = 44, ProductName = "Gula Malacca", Category = "Condiments", UnitPrice = 19.4500M, UnitsInStock = 27 }, - new Product { ProductID = 45, ProductName = "Rogede sild", Category = "Seafood", UnitPrice = 9.5000M, UnitsInStock = 5 }, - new Product { ProductID = 46, ProductName = "Spegesild", Category = "Seafood", UnitPrice = 12.0000M, UnitsInStock = 95 }, - new Product { ProductID = 47, ProductName = "Zaanse koeken", Category = "Confections", UnitPrice = 9.5000M, UnitsInStock = 36 }, - new Product { ProductID = 48, ProductName = "Chocolade", Category = "Confections", UnitPrice = 12.7500M, UnitsInStock = 15 }, - new Product { ProductID = 49, ProductName = "Maxilaku", Category = "Confections", UnitPrice = 20.0000M, UnitsInStock = 10 }, - new Product { ProductID = 50, ProductName = "Valkoinen suklaa", Category = "Confections", UnitPrice = 16.2500M, UnitsInStock = 65 }, - new Product { ProductID = 51, ProductName = "Manjimup Dried Apples", Category = "Produce", UnitPrice = 53.0000M, UnitsInStock = 20 }, - new Product { ProductID = 52, ProductName = "Filo Mix", Category = "Grains/Cereals", UnitPrice = 7.0000M, UnitsInStock = 38 }, - new Product { ProductID = 53, ProductName = "Perth Pasties", Category = "Meat/Poultry", UnitPrice = 32.8000M, UnitsInStock = 0 }, - new Product { ProductID = 54, ProductName = "Tourtière", Category = "Meat/Poultry", UnitPrice = 7.4500M, UnitsInStock = 21 }, - new Product { ProductID = 55, ProductName = "Pâté chinois", Category = "Meat/Poultry", UnitPrice = 24.0000M, UnitsInStock = 115 }, - new Product { ProductID = 56, ProductName = "Gnocchi di nonna Alice", Category = "Grains/Cereals", UnitPrice = 38.0000M, UnitsInStock = 21 }, - new Product { ProductID = 57, ProductName = "Ravioli Angelo", Category = "Grains/Cereals", UnitPrice = 19.5000M, UnitsInStock = 36 }, - new Product { ProductID = 58, ProductName = "Escargots de Bourgogne", Category = "Seafood", UnitPrice = 13.2500M, UnitsInStock = 62 }, - new Product { ProductID = 59, ProductName = "Raclette Courdavault", Category = "Dairy Products", UnitPrice = 55.0000M, UnitsInStock = 79 }, - new Product { ProductID = 60, ProductName = "Camembert Pierrot", Category = "Dairy Products", UnitPrice = 34.0000M, UnitsInStock = 19 }, - new Product { ProductID = 61, ProductName = "Sirop d'érable", Category = "Condiments", UnitPrice = 28.5000M, UnitsInStock = 113 }, - new Product { ProductID = 62, ProductName = "Tarte au sucre", Category = "Confections", UnitPrice = 49.3000M, UnitsInStock = 17 }, - new Product { ProductID = 63, ProductName = "Vegie-spread", Category = "Condiments", UnitPrice = 43.9000M, UnitsInStock = 24 }, - new Product { ProductID = 64, ProductName = "Wimmers gute Semmelknödel", Category = "Grains/Cereals", UnitPrice = 33.2500M, UnitsInStock = 22 }, - new Product { ProductID = 65, ProductName = "Louisiana Fiery Hot Pepper Sauce", Category = "Condiments", UnitPrice = 21.0500M, UnitsInStock = 76 }, - new Product { ProductID = 66, ProductName = "Louisiana Hot Spiced Okra", Category = "Condiments", UnitPrice = 17.0000M, UnitsInStock = 4 }, - new Product { ProductID = 67, ProductName = "Laughing Lumberjack Lager", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 52 }, - new Product { ProductID = 68, ProductName = "Scottish Longbreads", Category = "Confections", UnitPrice = 12.5000M, UnitsInStock = 6 }, - new Product { ProductID = 69, ProductName = "Gudbrandsdalsost", Category = "Dairy Products", UnitPrice = 36.0000M, UnitsInStock = 26 }, - new Product { ProductID = 70, ProductName = "Outback Lager", Category = "Beverages", UnitPrice = 15.0000M, UnitsInStock = 15 }, - new Product { ProductID = 71, ProductName = "Flotemysost", Category = "Dairy Products", UnitPrice = 21.5000M, UnitsInStock = 26 }, - new Product { ProductID = 72, ProductName = "Mozzarella di Giovanni", Category = "Dairy Products", UnitPrice = 34.8000M, UnitsInStock = 14 }, - new Product { ProductID = 73, ProductName = "Röd Kaviar", Category = "Seafood", UnitPrice = 15.0000M, UnitsInStock = 101 }, - new Product { ProductID = 74, ProductName = "Longlife Tofu", Category = "Produce", UnitPrice = 10.0000M, UnitsInStock = 4 }, - new Product { ProductID = 75, ProductName = "Rhönbräu Klosterbier", Category = "Beverages", UnitPrice = 7.7500M, UnitsInStock = 125 }, - new Product { ProductID = 76, ProductName = "Lakkalikööri", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 57 }, - new Product { ProductID = 77, ProductName = "Original Frankfurter grüne Soße", Category = "Condiments", UnitPrice = 13.0000M, UnitsInStock = 32 } - }; - - - - public List GetProductList() => productList; - - public Restrictions() - { - } - - - public int LowNumbers() - { + new List { + new Product { ProductID = 1, ProductName = "Chai", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 39 }, + new Product { ProductID = 2, ProductName = "Chang", Category = "Beverages", UnitPrice = 19.0000M, UnitsInStock = 17 }, + new Product { ProductID = 3, ProductName = "Aniseed Syrup", Category = "Condiments", UnitPrice = 10.0000M, UnitsInStock = 13 }, + new Product { ProductID = 4, ProductName = "Chef Anton's Cajun Seasoning", Category = "Condiments", UnitPrice = 22.0000M, UnitsInStock = 53 }, + new Product { ProductID = 5, ProductName = "Chef Anton's Gumbo Mix", Category = "Condiments", UnitPrice = 21.3500M, UnitsInStock = 0 }, + new Product { ProductID = 6, ProductName = "Grandma's Boysenberry Spread", Category = "Condiments", UnitPrice = 25.0000M, UnitsInStock = 120 }, + new Product { ProductID = 7, ProductName = "Uncle Bob's Organic Dried Pears", Category = "Produce", UnitPrice = 30.0000M, UnitsInStock = 15 }, + new Product { ProductID = 8, ProductName = "Northwoods Cranberry Sauce", Category = "Condiments", UnitPrice = 40.0000M, UnitsInStock = 6 }, + new Product { ProductID = 9, ProductName = "Mishi Kobe Niku", Category = "Meat/Poultry", UnitPrice = 97.0000M, UnitsInStock = 29 }, + new Product { ProductID = 10, ProductName = "Ikura", Category = "Seafood", UnitPrice = 31.0000M, UnitsInStock = 31 }, + new Product { ProductID = 11, ProductName = "Queso Cabrales", Category = "Dairy Products", UnitPrice = 21.0000M, UnitsInStock = 22 }, + new Product { ProductID = 12, ProductName = "Queso Manchego La Pastora", Category = "Dairy Products", UnitPrice = 38.0000M, UnitsInStock = 86 }, + new Product { ProductID = 13, ProductName = "Konbu", Category = "Seafood", UnitPrice = 6.0000M, UnitsInStock = 24 }, + new Product { ProductID = 14, ProductName = "Tofu", Category = "Produce", UnitPrice = 23.2500M, UnitsInStock = 35 }, + new Product { ProductID = 15, ProductName = "Genen Shouyu", Category = "Condiments", UnitPrice = 15.5000M, UnitsInStock = 39 }, + new Product { ProductID = 16, ProductName = "Pavlova", Category = "Confections", UnitPrice = 17.4500M, UnitsInStock = 29 }, + new Product { ProductID = 17, ProductName = "Alice Mutton", Category = "Meat/Poultry", UnitPrice = 39.0000M, UnitsInStock = 0 }, + new Product { ProductID = 18, ProductName = "Carnarvon Tigers", Category = "Seafood", UnitPrice = 62.5000M, UnitsInStock = 42 }, + new Product { ProductID = 19, ProductName = "Teatime Chocolate Biscuits", Category = "Confections", UnitPrice = 9.2000M, UnitsInStock = 25 }, + new Product { ProductID = 20, ProductName = "Sir Rodney's Marmalade", Category = "Confections", UnitPrice = 81.0000M, UnitsInStock = 40 }, + new Product { ProductID = 21, ProductName = "Sir Rodney's Scones", Category = "Confections", UnitPrice = 10.0000M, UnitsInStock = 3 }, + new Product { ProductID = 22, ProductName = "Gustaf's Knäckebröd", Category = "Grains/Cereals", UnitPrice = 21.0000M, UnitsInStock = 104 }, + new Product { ProductID = 23, ProductName = "Tunnbröd", Category = "Grains/Cereals", UnitPrice = 9.0000M, UnitsInStock = 61 }, + new Product { ProductID = 24, ProductName = "Guaraná Fantástica", Category = "Beverages", UnitPrice = 4.5000M, UnitsInStock = 20 }, + new Product { ProductID = 25, ProductName = "NuNuCa Nuß-Nougat-Creme", Category = "Confections", UnitPrice = 14.0000M, UnitsInStock = 76 }, + new Product { ProductID = 26, ProductName = "Gumbär Gummibärchen", Category = "Confections", UnitPrice = 31.2300M, UnitsInStock = 15 }, + new Product { ProductID = 27, ProductName = "Schoggi Schokolade", Category = "Confections", UnitPrice = 43.9000M, UnitsInStock = 49 }, + new Product { ProductID = 28, ProductName = "Rössle Sauerkraut", Category = "Produce", UnitPrice = 45.6000M, UnitsInStock = 26 }, + new Product { ProductID = 29, ProductName = "Thüringer Rostbratwurst", Category = "Meat/Poultry", UnitPrice = 123.7900M, UnitsInStock = 0 }, + new Product { ProductID = 30, ProductName = "Nord-Ost Matjeshering", Category = "Seafood", UnitPrice = 25.8900M, UnitsInStock = 10 }, + new Product { ProductID = 31, ProductName = "Gorgonzola Telino", Category = "Dairy Products", UnitPrice = 12.5000M, UnitsInStock = 0 }, + new Product { ProductID = 32, ProductName = "Mascarpone Fabioli", Category = "Dairy Products", UnitPrice = 32.0000M, UnitsInStock = 9 }, + new Product { ProductID = 33, ProductName = "Geitost", Category = "Dairy Products", UnitPrice = 2.5000M, UnitsInStock = 112 }, + new Product { ProductID = 34, ProductName = "Sasquatch Ale", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 111 }, + new Product { ProductID = 35, ProductName = "Steeleye Stout", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 20 }, + new Product { ProductID = 36, ProductName = "Inlagd Sill", Category = "Seafood", UnitPrice = 19.0000M, UnitsInStock = 112 }, + new Product { ProductID = 37, ProductName = "Gravad lax", Category = "Seafood", UnitPrice = 26.0000M, UnitsInStock = 11 }, + new Product { ProductID = 38, ProductName = "Côte de Blaye", Category = "Beverages", UnitPrice = 263.5000M, UnitsInStock = 17 }, + new Product { ProductID = 39, ProductName = "Chartreuse verte", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 69 }, + new Product { ProductID = 40, ProductName = "Boston Crab Meat", Category = "Seafood", UnitPrice = 18.4000M, UnitsInStock = 123 }, + new Product { ProductID = 41, ProductName = "Jack's New England Clam Chowder", Category = "Seafood", UnitPrice = 9.6500M, UnitsInStock = 85 }, + new Product { ProductID = 42, ProductName = "Singaporean Hokkien Fried Mee", Category = "Grains/Cereals", UnitPrice = 14.0000M, UnitsInStock = 26 }, + new Product { ProductID = 43, ProductName = "Ipoh Coffee", Category = "Beverages", UnitPrice = 46.0000M, UnitsInStock = 17 }, + new Product { ProductID = 44, ProductName = "Gula Malacca", Category = "Condiments", UnitPrice = 19.4500M, UnitsInStock = 27 }, + new Product { ProductID = 45, ProductName = "Rogede sild", Category = "Seafood", UnitPrice = 9.5000M, UnitsInStock = 5 }, + new Product { ProductID = 46, ProductName = "Spegesild", Category = "Seafood", UnitPrice = 12.0000M, UnitsInStock = 95 }, + new Product { ProductID = 47, ProductName = "Zaanse koeken", Category = "Confections", UnitPrice = 9.5000M, UnitsInStock = 36 }, + new Product { ProductID = 48, ProductName = "Chocolade", Category = "Confections", UnitPrice = 12.7500M, UnitsInStock = 15 }, + new Product { ProductID = 49, ProductName = "Maxilaku", Category = "Confections", UnitPrice = 20.0000M, UnitsInStock = 10 }, + new Product { ProductID = 50, ProductName = "Valkoinen suklaa", Category = "Confections", UnitPrice = 16.2500M, UnitsInStock = 65 }, + new Product { ProductID = 51, ProductName = "Manjimup Dried Apples", Category = "Produce", UnitPrice = 53.0000M, UnitsInStock = 20 }, + new Product { ProductID = 52, ProductName = "Filo Mix", Category = "Grains/Cereals", UnitPrice = 7.0000M, UnitsInStock = 38 }, + new Product { ProductID = 53, ProductName = "Perth Pasties", Category = "Meat/Poultry", UnitPrice = 32.8000M, UnitsInStock = 0 }, + new Product { ProductID = 54, ProductName = "Tourtière", Category = "Meat/Poultry", UnitPrice = 7.4500M, UnitsInStock = 21 }, + new Product { ProductID = 55, ProductName = "Pâté chinois", Category = "Meat/Poultry", UnitPrice = 24.0000M, UnitsInStock = 115 }, + new Product { ProductID = 56, ProductName = "Gnocchi di nonna Alice", Category = "Grains/Cereals", UnitPrice = 38.0000M, UnitsInStock = 21 }, + new Product { ProductID = 57, ProductName = "Ravioli Angelo", Category = "Grains/Cereals", UnitPrice = 19.5000M, UnitsInStock = 36 }, + new Product { ProductID = 58, ProductName = "Escargots de Bourgogne", Category = "Seafood", UnitPrice = 13.2500M, UnitsInStock = 62 }, + new Product { ProductID = 59, ProductName = "Raclette Courdavault", Category = "Dairy Products", UnitPrice = 55.0000M, UnitsInStock = 79 }, + new Product { ProductID = 60, ProductName = "Camembert Pierrot", Category = "Dairy Products", UnitPrice = 34.0000M, UnitsInStock = 19 }, + new Product { ProductID = 61, ProductName = "Sirop d'érable", Category = "Condiments", UnitPrice = 28.5000M, UnitsInStock = 113 }, + new Product { ProductID = 62, ProductName = "Tarte au sucre", Category = "Confections", UnitPrice = 49.3000M, UnitsInStock = 17 }, + new Product { ProductID = 63, ProductName = "Vegie-spread", Category = "Condiments", UnitPrice = 43.9000M, UnitsInStock = 24 }, + new Product { ProductID = 64, ProductName = "Wimmers gute Semmelknödel", Category = "Grains/Cereals", UnitPrice = 33.2500M, UnitsInStock = 22 }, + new Product { ProductID = 65, ProductName = "Louisiana Fiery Hot Pepper Sauce", Category = "Condiments", UnitPrice = 21.0500M, UnitsInStock = 76 }, + new Product { ProductID = 66, ProductName = "Louisiana Hot Spiced Okra", Category = "Condiments", UnitPrice = 17.0000M, UnitsInStock = 4 }, + new Product { ProductID = 67, ProductName = "Laughing Lumberjack Lager", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 52 }, + new Product { ProductID = 68, ProductName = "Scottish Longbreads", Category = "Confections", UnitPrice = 12.5000M, UnitsInStock = 6 }, + new Product { ProductID = 69, ProductName = "Gudbrandsdalsost", Category = "Dairy Products", UnitPrice = 36.0000M, UnitsInStock = 26 }, + new Product { ProductID = 70, ProductName = "Outback Lager", Category = "Beverages", UnitPrice = 15.0000M, UnitsInStock = 15 }, + new Product { ProductID = 71, ProductName = "Flotemysost", Category = "Dairy Products", UnitPrice = 21.5000M, UnitsInStock = 26 }, + new Product { ProductID = 72, ProductName = "Mozzarella di Giovanni", Category = "Dairy Products", UnitPrice = 34.8000M, UnitsInStock = 14 }, + new Product { ProductID = 73, ProductName = "Röd Kaviar", Category = "Seafood", UnitPrice = 15.0000M, UnitsInStock = 101 }, + new Product { ProductID = 74, ProductName = "Longlife Tofu", Category = "Produce", UnitPrice = 10.0000M, UnitsInStock = 4 }, + new Product { ProductID = 75, ProductName = "Rhönbräu Klosterbier", Category = "Beverages", UnitPrice = 7.7500M, UnitsInStock = 125 }, + new Product { ProductID = 76, ProductName = "Lakkalikööri", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 57 }, + new Product { ProductID = 77, ProductName = "Original Frankfurter grüne Soße", Category = "Condiments", UnitPrice = 13.0000M, UnitsInStock = 32 } + }; + + // TODO: Change to load from string stream: + private List customerList = (from e in XDocument.Parse(customers_xml). + Root.Elements("customer") + select new Customer + { + CustomerID = (string)e.Element("id"), + CompanyName = (string)e.Element("name"), + Address = (string)e.Element("address"), + City = (string)e.Element("city"), + Region = (string)e.Element("region"), + PostalCode = (string)e.Element("postalcode"), + Country = (string)e.Element("country"), + Phone = (string)e.Element("phone"), + Fax = (string)e.Element("fax"), + Orders = ( + from o in e.Elements("orders").Elements("order") + select new Order + { + OrderID = (int)o.Element("id"), + OrderDate = (DateTime)o.Element("orderdate"), + Total = (decimal)o.Element("total") + }) + .ToArray() + }) + .ToList(); + + + public List GetProductList() => productList; + + public List GetCustomerList() => customerList; + + public Restrictions() + { + } + + + public int LowNumbers() + { + #region where-syntax int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; var lowNums = @@ -118,11 +5425,13 @@ where num < 5 { Console.WriteLine(x); } - return 0; - } - - public int ProductsOutOfStock() - { + #endregion + return 0; + } + + public int ProductsOutOfStock() + { + #region where-property List products = GetProductList(); var soldOutProducts = @@ -134,8 +5443,67 @@ from prod in products foreach (var product in soldOutProducts) { Console.WriteLine($"{product.ProductName} is sold out!"); - } - return 0; - } - } -} + } + #endregion + return 0; + } + + public int ExpensiveProductsInStock() + { + #region where-multiple-properties + List products = GetProductList(); + + var expensiveInStockProducts = + from prod in products + where prod.UnitsInStock > 0 && prod.UnitPrice > 3.00M + select prod; + + Console.WriteLine("In-stock products that cost more than 3.00:"); + foreach (var product in expensiveInStockProducts) + { + Console.WriteLine($"{product.ProductName} is in stock and costs more than 3.00."); + } + #endregion + return 0; + } + + public int DisplayCustomerOrders() + { + #region where-drilldown + List customers = GetCustomerList(); + + var waCustomers = + from cust in customers + where cust.Region == "WA" + select cust; + + Console.WriteLine("Customers from Washington and their orders:"); + foreach (var customer in waCustomers) + { + Console.WriteLine($"Customer {customer.CustomerID}: {customer.CompanyName}"); + foreach (var order in customer.Orders) + { + Console.WriteLine($" Order {order.OrderID}: {order.OrderDate}"); + } + } + #endregion + return 0; + } + + public int IndexedWhere() + { + #region where-indexed + string[] digits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + var shortDigits = digits.Where((digit, index) => digit.Length < index); + + Console.WriteLine("Short digits:"); + foreach (var d in shortDigits) + { + Console.WriteLine($"The word {d} is shorter than its value."); + } + #endregion + return 0; + } + } +} diff --git a/101-linq-samples/src/Try101LinqSamples.csproj b/101-linq-samples/src/Try101LinqSamples.csproj index 4349b9b..32d1ab3 100644 --- a/101-linq-samples/src/Try101LinqSamples.csproj +++ b/101-linq-samples/src/Try101LinqSamples.csproj @@ -1,8 +1,9 @@ - + Exe netcoreapp3.0 + 8.0 From a1a06dc6ba096dd0d9379cb6e47f7a82be083572 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 29 Aug 2019 14:31:03 -0400 Subject: [PATCH 03/23] refactoring the first samples --- 101-linq-samples/src/DataSources/Customers.cs | 54 + .../src/DataSources/InputValues.cs | 5259 ++++++++++++++++ 101-linq-samples/src/DataSources/Products.cs | 97 + 101-linq-samples/src/Program.cs | 6 +- 101-linq-samples/src/Restrictions.cs | 5404 +---------------- 5 files changed, 5415 insertions(+), 5405 deletions(-) create mode 100644 101-linq-samples/src/DataSources/Customers.cs create mode 100644 101-linq-samples/src/DataSources/InputValues.cs create mode 100644 101-linq-samples/src/DataSources/Products.cs diff --git a/101-linq-samples/src/DataSources/Customers.cs b/101-linq-samples/src/DataSources/Customers.cs new file mode 100644 index 0000000..93b9ae5 --- /dev/null +++ b/101-linq-samples/src/DataSources/Customers.cs @@ -0,0 +1,54 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Xml.Linq; + +namespace Try101LinqSamples +{ + public class Customer + { + public string CustomerID { get; set; } + public string CompanyName { get; set; } + public string Address { get; set; } + public string City { get; set; } + public string Region { get; set; } + public string PostalCode { get; set; } + public string Country { get; set; } + public string Phone { get; set; } + public string Fax { get; set; } + public Order[] Orders { get; set; } + } + + public class Order + { + public int OrderID { get; set; } + public DateTime OrderDate { get; set; } + public decimal Total { get; set; } + } + + public static class Customers + { + public static List CustomerList { get; } = + (from e in XDocument.Parse(InputValues.CustomersXml).Root.Elements("customer") + select new Customer + { + CustomerID = (string)e.Element("id"), + CompanyName = (string)e.Element("name"), + Address = (string)e.Element("address"), + City = (string)e.Element("city"), + Region = (string)e.Element("region"), + PostalCode = (string)e.Element("postalcode"), + Country = (string)e.Element("country"), + Phone = (string)e.Element("phone"), + Fax = (string)e.Element("fax"), + Orders = ( + from o in e.Elements("orders").Elements("order") + select new Order + { + OrderID = (int)o.Element("id"), + OrderDate = (DateTime)o.Element("orderdate"), + Total = (decimal)o.Element("total") + }).ToArray() + }).ToList(); + } +} diff --git a/101-linq-samples/src/DataSources/InputValues.cs b/101-linq-samples/src/DataSources/InputValues.cs new file mode 100644 index 0000000..407aab6 --- /dev/null +++ b/101-linq-samples/src/DataSources/InputValues.cs @@ -0,0 +1,5259 @@ +namespace Try101LinqSamples +{ + public static class InputValues + { + // You don't really want to see this. + public const string CustomersXml = +@" + + + ALFKI + Alfreds Futterkiste +
Obere Str. 57
+ Berlin + 12209 + Germany + 030-0074321 + 030-0076545 + + + 10643 + 1997-08-25T00:00:00 + 814.50 + + + 10692 + 1997-10-03T00:00:00 + 878.00 + + + 10702 + 1997-10-13T00:00:00 + 330.00 + + + 10835 + 1998-01-15T00:00:00 + 845.80 + + + 10952 + 1998-03-16T00:00:00 + 471.20 + + + 11011 + 1998-04-09T00:00:00 + 933.50 + + + + + ANATR + Ana Trujillo Emparedados y helados +
Avda.de la Constitución 2222
+ México D.F. + 05021 + Mexico + (5) 555-4729 + (5) 555-3745 + + + 10308 + 1996-09-18T00:00:00 + 88.80 + + + 10625 + 1997-08-08T00:00:00 + 479.75 + + + 10759 + 1997-11-28T00:00:00 + 320.00 + + + 10926 + 1998-03-04T00:00:00 + 514.40 + + + + + ANTON + Antonio Moreno Taquería +
Mataderos 2312
+ México D.F. + 05023 + Mexico + (5) 555-3932 + + + 10365 + 1996-11-27T00:00:00 + 403.20 + + + 10507 + 1997-04-15T00:00:00 + 749.06 + + + 10535 + 1997-05-13T00:00:00 + 1940.85 + + + 10573 + 1997-06-19T00:00:00 + 2082.00 + + + 10677 + 1997-09-22T00:00:00 + 813.36 + + + 10682 + 1997-09-25T00:00:00 + 375.50 + + + 10856 + 1998-01-28T00:00:00 + 660.00 + + + + + AROUT + Around the Horn +
120 Hanover Sq.
+ London + WA1 1DP + UK + (171) 555-7788 + (171) 555-6750 + + + 10355 + 1996-11-15T00:00:00 + 480.00 + + + 10383 + 1996-12-16T00:00:00 + 899.00 + + + 10453 + 1997-02-21T00:00:00 + 407.70 + + + 10558 + 1997-06-04T00:00:00 + 2142.90 + + + 10707 + 1997-10-16T00:00:00 + 1641.00 + + + 10741 + 1997-11-14T00:00:00 + 228.00 + + + 10743 + 1997-11-17T00:00:00 + 319.20 + + + 10768 + 1997-12-08T00:00:00 + 1477.00 + + + 10793 + 1997-12-24T00:00:00 + 191.10 + + + 10864 + 1998-02-02T00:00:00 + 282.00 + + + 10920 + 1998-03-03T00:00:00 + 390.00 + + + 10953 + 1998-03-16T00:00:00 + 4441.25 + + + 11016 + 1998-04-10T00:00:00 + 491.50 + + + + + BERGS + Berglunds snabbköp +
Berguvsvägen 8
+ Luleå + S-958 22 + Sweden + 0921-12 34 65 + 0921-12 34 67 + + + 10278 + 1996-08-12T00:00:00 + 1488.80 + + + 10280 + 1996-08-14T00:00:00 + 613.20 + + + 10384 + 1996-12-16T00:00:00 + 2222.40 + + + 10444 + 1997-02-12T00:00:00 + 1031.70 + + + 10445 + 1997-02-13T00:00:00 + 174.90 + + + 10524 + 1997-05-01T00:00:00 + 3192.65 + + + 10572 + 1997-06-18T00:00:00 + 1501.08 + + + 10626 + 1997-08-11T00:00:00 + 1503.60 + + + 10654 + 1997-09-02T00:00:00 + 601.83 + + + 10672 + 1997-09-17T00:00:00 + 3815.25 + + + 10689 + 1997-10-01T00:00:00 + 472.50 + + + 10733 + 1997-11-07T00:00:00 + 1459.00 + + + 10778 + 1997-12-16T00:00:00 + 96.50 + + + 10837 + 1998-01-16T00:00:00 + 1064.50 + + + 10857 + 1998-01-28T00:00:00 + 2048.21 + + + 10866 + 1998-02-03T00:00:00 + 1096.20 + + + 10875 + 1998-02-06T00:00:00 + 709.55 + + + 10924 + 1998-03-04T00:00:00 + 1835.70 + + + + + BLAUS + Blauer See Delikatessen +
Forsterstr. 57
+ Mannheim + 68306 + Germany + 0621-08460 + 0621-08924 + + + 10501 + 1997-04-09T00:00:00 + 149.00 + + + 10509 + 1997-04-17T00:00:00 + 136.80 + + + 10582 + 1997-06-27T00:00:00 + 330.00 + + + 10614 + 1997-07-29T00:00:00 + 464.00 + + + 10853 + 1998-01-27T00:00:00 + 625.00 + + + 10956 + 1998-03-17T00:00:00 + 677.00 + + + 11058 + 1998-04-29T00:00:00 + 858.00 + + + + + BLONP + Blondel père et fils +
24, place Kléber
+ Strasbourg + 67000 + France + 88.60.15.31 + 88.60.15.32 + + + 10265 + 1996-07-25T00:00:00 + 1176.00 + + + 10297 + 1996-09-04T00:00:00 + 1420.00 + + + 10360 + 1996-11-22T00:00:00 + 7390.20 + + + 10436 + 1997-02-05T00:00:00 + 1994.52 + + + 10449 + 1997-02-18T00:00:00 + 1838.20 + + + 10559 + 1997-06-05T00:00:00 + 520.41 + + + 10566 + 1997-06-12T00:00:00 + 1761.00 + + + 10584 + 1997-06-30T00:00:00 + 593.75 + + + 10628 + 1997-08-12T00:00:00 + 450.00 + + + 10679 + 1997-09-23T00:00:00 + 660.00 + + + 10826 + 1998-01-12T00:00:00 + 730.00 + + + + + BOLID + Bólido Comidas preparadas +
C/ Araquil, 67
+ Madrid + 28023 + Spain + (91) 555 22 82 + (91) 555 91 99 + + + 10326 + 1996-10-10T00:00:00 + 982.00 + + + 10801 + 1997-12-29T00:00:00 + 3026.85 + + + 10970 + 1998-03-24T00:00:00 + 224.00 + + + + + BONAP + Bon app' +
12, rue des Bouchers
+ Marseille + 13008 + France + 91.24.45.40 + 91.24.45.41 + + + 10331 + 1996-10-16T00:00:00 + 88.50 + + + 10340 + 1996-10-29T00:00:00 + 2436.18 + + + 10362 + 1996-11-25T00:00:00 + 1549.60 + + + 10470 + 1997-03-11T00:00:00 + 1820.80 + + + 10511 + 1997-04-18T00:00:00 + 2550.00 + + + 10525 + 1997-05-02T00:00:00 + 818.40 + + + 10663 + 1997-09-10T00:00:00 + 1930.40 + + + 10715 + 1997-10-23T00:00:00 + 1296.00 + + + 10730 + 1997-11-05T00:00:00 + 484.26 + + + 10732 + 1997-11-06T00:00:00 + 360.00 + + + 10755 + 1997-11-26T00:00:00 + 1948.50 + + + 10827 + 1998-01-12T00:00:00 + 843.00 + + + 10871 + 1998-02-05T00:00:00 + 1979.23 + + + 10876 + 1998-02-09T00:00:00 + 917.00 + + + 10932 + 1998-03-06T00:00:00 + 1788.63 + + + 10940 + 1998-03-11T00:00:00 + 360.00 + + + 11076 + 1998-05-06T00:00:00 + 792.75 + + + + + BOTTM + Bottom-Dollar Markets +
23 Tsawassen Blvd.
+ Tsawassen + BC + T2F 8M4 + Canada + (604) 555-4729 + (604) 555-3745 + + + 10389 + 1996-12-20T00:00:00 + 1832.80 + + + 10410 + 1997-01-10T00:00:00 + 802.00 + + + 10411 + 1997-01-10T00:00:00 + 966.80 + + + 10431 + 1997-01-30T00:00:00 + 1892.25 + + + 10492 + 1997-04-01T00:00:00 + 851.20 + + + 10742 + 1997-11-14T00:00:00 + 3118.00 + + + 10918 + 1998-03-02T00:00:00 + 1447.50 + + + 10944 + 1998-03-12T00:00:00 + 1025.32 + + + 10949 + 1998-03-13T00:00:00 + 4422.00 + + + 10975 + 1998-03-25T00:00:00 + 717.50 + + + 10982 + 1998-03-27T00:00:00 + 1014.00 + + + 11027 + 1998-04-16T00:00:00 + 877.72 + + + 11045 + 1998-04-23T00:00:00 + 1309.50 + + + 11048 + 1998-04-24T00:00:00 + 525.00 + + + + + BSBEV + B's Beverages +
Fauntleroy Circus
+ London + EC2 5NT + UK + (171) 555-1212 + + + 10289 + 1996-08-26T00:00:00 + 479.40 + + + 10471 + 1997-03-11T00:00:00 + 1328.00 + + + 10484 + 1997-03-24T00:00:00 + 386.20 + + + 10538 + 1997-05-15T00:00:00 + 139.80 + + + 10539 + 1997-05-16T00:00:00 + 355.50 + + + 10578 + 1997-06-24T00:00:00 + 477.00 + + + 10599 + 1997-07-15T00:00:00 + 493.00 + + + 10943 + 1998-03-11T00:00:00 + 711.00 + + + 10947 + 1998-03-13T00:00:00 + 220.00 + + + 11023 + 1998-04-14T00:00:00 + 1500.00 + + + + + CACTU + Cactus Comidas para llevar +
Cerrito 333
+ Buenos Aires + 1010 + Argentina + (1) 135-5555 + (1) 135-4892 + + + 10521 + 1997-04-29T00:00:00 + 225.50 + + + 10782 + 1997-12-17T00:00:00 + 12.50 + + + 10819 + 1998-01-07T00:00:00 + 477.00 + + + 10881 + 1998-02-11T00:00:00 + 150.00 + + + 10937 + 1998-03-10T00:00:00 + 644.80 + + + 11054 + 1998-04-28T00:00:00 + 305.00 + + + + + CENTC + Centro comercial Moctezuma +
Sierras de Granada 9993
+ México D.F. + 05022 + Mexico + (5) 555-3392 + (5) 555-7293 + + + 10259 + 1996-07-18T00:00:00 + 100.80 + + + + + CHOPS + Chop-suey Chinese +
Hauptstr. 29
+ Bern + 3012 + Switzerland + 0452-076545 + + + 10254 + 1996-07-11T00:00:00 + 556.62 + + + 10370 + 1996-12-03T00:00:00 + 1117.60 + + + 10519 + 1997-04-28T00:00:00 + 2314.20 + + + 10731 + 1997-11-06T00:00:00 + 1890.50 + + + 10746 + 1997-11-19T00:00:00 + 2311.70 + + + 10966 + 1998-03-20T00:00:00 + 1098.46 + + + 11029 + 1998-04-16T00:00:00 + 1286.80 + + + 11041 + 1998-04-22T00:00:00 + 1773.00 + + + + + COMMI + Comércio Mineiro +
Av.dos Lusíadas, 23
+ São Paulo + SP + 05432-043 + Brazil + (11) 555-7647 + + + 10290 + 1996-08-27T00:00:00 + 2169.00 + + + 10466 + 1997-03-06T00:00:00 + 216.00 + + + 10494 + 1997-04-02T00:00:00 + 912.00 + + + 10969 + 1998-03-23T00:00:00 + 108.00 + + + 11042 + 1998-04-22T00:00:00 + 405.75 + + + + + CONSH + Consolidated Holdings +
Berkeley Gardens, 12 Brewery
+ London + WX1 6LT + UK + (171) 555-2282 + (171) 555-9199 + + + 10435 + 1997-02-04T00:00:00 + 631.60 + + + 10462 + 1997-03-03T00:00:00 + 156.00 + + + 10848 + 1998-01-23T00:00:00 + 931.50 + + + + + DRACD + Drachenblut Delikatessen +
Walserweg 21
+ Aachen + 52066 + Germany + 0241-039123 + 0241-059428 + + + 10363 + 1996-11-26T00:00:00 + 447.20 + + + 10391 + 1996-12-23T00:00:00 + 86.40 + + + 10797 + 1997-12-25T00:00:00 + 420.00 + + + 10825 + 1998-01-09T00:00:00 + 1030.76 + + + 11036 + 1998-04-20T00:00:00 + 1692.00 + + + 11067 + 1998-05-04T00:00:00 + 86.85 + + + + + DUMON + Du monde entier +
67, rue des Cinquante Otages
+ Nantes + 44000 + France + 40.67.88.88 + 40.67.89.89 + + + 10311 + 1996-09-20T00:00:00 + 268.80 + + + 10609 + 1997-07-24T00:00:00 + 424.00 + + + 10683 + 1997-09-26T00:00:00 + 63.00 + + + 10890 + 1998-02-16T00:00:00 + 860.10 + + + + + EASTC + Eastern Connection +
35 King George
+ London + WX3 6FW + UK + (171) 555-0297 + (171) 555-3373 + + + 10364 + 1996-11-26T00:00:00 + 950.00 + + + 10400 + 1997-01-01T00:00:00 + 3063.00 + + + 10532 + 1997-05-09T00:00:00 + 796.35 + + + 10726 + 1997-11-03T00:00:00 + 655.00 + + + 10987 + 1998-03-31T00:00:00 + 2772.00 + + + 11024 + 1998-04-15T00:00:00 + 1966.81 + + + 11047 + 1998-04-24T00:00:00 + 817.88 + + + 11056 + 1998-04-28T00:00:00 + 3740.00 + + + + + ERNSH + Ernst Handel +
Kirchgasse 6
+ Graz + 8010 + Austria + 7675-3425 + 7675-3426 + + + 10258 + 1996-07-17T00:00:00 + 1614.88 + + + 10263 + 1996-07-23T00:00:00 + 1873.80 + + + 10351 + 1996-11-11T00:00:00 + 5398.72 + + + 10368 + 1996-11-29T00:00:00 + 1689.78 + + + 10382 + 1996-12-13T00:00:00 + 2900.00 + + + 10390 + 1996-12-23T00:00:00 + 2090.88 + + + 10402 + 1997-01-02T00:00:00 + 2713.50 + + + 10403 + 1997-01-03T00:00:00 + 855.02 + + + 10430 + 1997-01-30T00:00:00 + 4899.20 + + + 10442 + 1997-02-11T00:00:00 + 1792.00 + + + 10514 + 1997-04-22T00:00:00 + 8623.45 + + + 10571 + 1997-06-17T00:00:00 + 550.59 + + + 10595 + 1997-07-10T00:00:00 + 4725.00 + + + 10633 + 1997-08-15T00:00:00 + 5510.59 + + + 10667 + 1997-09-12T00:00:00 + 1536.80 + + + 10698 + 1997-10-09T00:00:00 + 3436.44 + + + 10764 + 1997-12-03T00:00:00 + 2286.00 + + + 10771 + 1997-12-10T00:00:00 + 344.00 + + + 10773 + 1997-12-11T00:00:00 + 2030.40 + + + 10776 + 1997-12-15T00:00:00 + 6635.28 + + + 10795 + 1997-12-24T00:00:00 + 2158.00 + + + 10836 + 1998-01-16T00:00:00 + 4705.50 + + + 10854 + 1998-01-27T00:00:00 + 2966.50 + + + 10895 + 1998-02-18T00:00:00 + 6379.40 + + + 10968 + 1998-03-23T00:00:00 + 1408.00 + + + 10979 + 1998-03-26T00:00:00 + 4813.50 + + + 10990 + 1998-04-01T00:00:00 + 4288.85 + + + 11008 + 1998-04-08T00:00:00 + 4680.90 + + + 11017 + 1998-04-13T00:00:00 + 6750.00 + + + 11072 + 1998-05-05T00:00:00 + 5218.00 + + + + + FAMIA + Familia Arquibaldo +
Rua Orós, 92
+ São Paulo + SP + 05442-030 + Brazil + (11) 555-9857 + + + 10347 + 1996-11-06T00:00:00 + 814.42 + + + 10386 + 1996-12-18T00:00:00 + 166.00 + + + 10414 + 1997-01-14T00:00:00 + 224.83 + + + 10512 + 1997-04-21T00:00:00 + 525.30 + + + 10581 + 1997-06-26T00:00:00 + 310.00 + + + 10650 + 1997-08-29T00:00:00 + 1779.20 + + + 10725 + 1997-10-31T00:00:00 + 287.80 + + + + + FISSA + FISSA Fabrica Inter.Salchichas S.A. +
C/ Moralzarzal, 86
+ Madrid + 28034 + Spain + (91) 555 94 44 + (91) 555 55 93 + + + + FOLIG + Folies gourmandes +
184, chaussée de Tournai
+ Lille + 59000 + France + 20.16.10.16 + 20.16.10.17 + + + 10408 + 1997-01-08T00:00:00 + 1622.40 + + + 10480 + 1997-03-20T00:00:00 + 756.00 + + + 10634 + 1997-08-15T00:00:00 + 4985.50 + + + 10763 + 1997-12-03T00:00:00 + 616.00 + + + 10789 + 1997-12-22T00:00:00 + 3687.00 + + + + + FOLKO + Folk och fä HB +
Åkergatan 24
+ Bräcke + S-844 67 + Sweden + 0695-34 67 21 + + + 10264 + 1996-07-24T00:00:00 + 695.62 + + + 10327 + 1996-10-11T00:00:00 + 1810.00 + + + 10378 + 1996-12-10T00:00:00 + 103.20 + + + 10434 + 1997-02-03T00:00:00 + 321.12 + + + 10460 + 1997-02-28T00:00:00 + 176.10 + + + 10533 + 1997-05-12T00:00:00 + 2222.20 + + + 10561 + 1997-06-06T00:00:00 + 2844.50 + + + 10703 + 1997-10-14T00:00:00 + 2545.00 + + + 10762 + 1997-12-02T00:00:00 + 4337.00 + + + 10774 + 1997-12-11T00:00:00 + 868.75 + + + 10824 + 1998-01-09T00:00:00 + 250.80 + + + 10880 + 1998-02-10T00:00:00 + 1500.00 + + + 10902 + 1998-02-23T00:00:00 + 863.43 + + + 10955 + 1998-03-17T00:00:00 + 74.40 + + + 10977 + 1998-03-26T00:00:00 + 2233.00 + + + 10980 + 1998-03-27T00:00:00 + 248.00 + + + 10993 + 1998-04-01T00:00:00 + 4895.44 + + + 11001 + 1998-04-06T00:00:00 + 2769.00 + + + 11050 + 1998-04-27T00:00:00 + 810.00 + + + + + FRANK + Frankenversand +
Berliner Platz 43
+ München + 80805 + Germany + 089-0877310 + 089-0877451 + + + 10267 + 1996-07-29T00:00:00 + 3536.60 + + + 10337 + 1996-10-24T00:00:00 + 2467.00 + + + 10342 + 1996-10-30T00:00:00 + 1840.64 + + + 10396 + 1996-12-27T00:00:00 + 1903.80 + + + 10488 + 1997-03-27T00:00:00 + 1512.00 + + + 10560 + 1997-06-06T00:00:00 + 1072.42 + + + 10623 + 1997-08-07T00:00:00 + 1336.95 + + + 10653 + 1997-09-02T00:00:00 + 1083.15 + + + 10670 + 1997-09-16T00:00:00 + 2301.75 + + + 10675 + 1997-09-19T00:00:00 + 1423.00 + + + 10717 + 1997-10-24T00:00:00 + 1270.75 + + + 10791 + 1997-12-23T00:00:00 + 1829.76 + + + 10859 + 1998-01-29T00:00:00 + 1078.69 + + + 10929 + 1998-03-05T00:00:00 + 1174.75 + + + 11012 + 1998-04-09T00:00:00 + 2825.30 + + + + + FRANR + France restauration +
54, rue Royale
+ Nantes + 44000 + France + 40.32.21.21 + 40.32.21.20 + + + 10671 + 1997-09-17T00:00:00 + 920.10 + + + 10860 + 1998-01-29T00:00:00 + 519.00 + + + 10971 + 1998-03-24T00:00:00 + 1733.06 + + + + + FRANS + Franchi S.p.A. +
Via Monte Bianco 34
+ Torino + 10100 + Italy + 011-4988260 + 011-4988261 + + + 10422 + 1997-01-22T00:00:00 + 49.80 + + + 10710 + 1997-10-20T00:00:00 + 93.50 + + + 10753 + 1997-11-25T00:00:00 + 88.00 + + + 10807 + 1997-12-31T00:00:00 + 18.40 + + + 11026 + 1998-04-15T00:00:00 + 1030.00 + + + 11060 + 1998-04-30T00:00:00 + 266.00 + + + + + FURIB + Furia Bacalhau e Frutos do Mar +
Jardim das rosas n. 32
+ Lisboa + 1675 + Portugal + (1) 354-2534 + (1) 354-2535 + + + 10328 + 1996-10-14T00:00:00 + 1168.00 + + + 10352 + 1996-11-12T00:00:00 + 136.30 + + + 10464 + 1997-03-04T00:00:00 + 1609.28 + + + 10491 + 1997-03-31T00:00:00 + 259.50 + + + 10551 + 1997-05-28T00:00:00 + 1677.30 + + + 10604 + 1997-07-18T00:00:00 + 230.85 + + + 10664 + 1997-09-10T00:00:00 + 1288.39 + + + 10963 + 1998-03-19T00:00:00 + 57.80 + + + + + GALED + Galería del gastrónomo +
Rambla de Cataluña, 23
+ Barcelona + 08022 + Spain + (93) 203 4560 + (93) 203 4561 + + + 10366 + 1996-11-28T00:00:00 + 136.00 + + + 10426 + 1997-01-27T00:00:00 + 338.20 + + + 10568 + 1997-06-13T00:00:00 + 155.00 + + + 10887 + 1998-02-13T00:00:00 + 70.00 + + + 10928 + 1998-03-05T00:00:00 + 137.50 + + + + + GODOS + Godos Cocina Típica +
C/ Romero, 33
+ Sevilla + 41101 + Spain + (95) 555 82 82 + + + 10303 + 1996-09-11T00:00:00 + 1117.80 + + + 10550 + 1997-05-28T00:00:00 + 683.30 + + + 10629 + 1997-08-12T00:00:00 + 2775.05 + + + 10872 + 1998-02-05T00:00:00 + 2058.46 + + + 10874 + 1998-02-06T00:00:00 + 310.00 + + + 10888 + 1998-02-16T00:00:00 + 605.00 + + + 10911 + 1998-02-26T00:00:00 + 858.00 + + + 10948 + 1998-03-13T00:00:00 + 2362.25 + + + 11009 + 1998-04-08T00:00:00 + 616.50 + + + 11037 + 1998-04-21T00:00:00 + 60.00 + + + + + GOURL + Gourmet Lanchonetes +
Av.Brasil, 442
+ Campinas + SP + 04876-786 + Brazil + (11) 555-9482 + + + 10423 + 1997-01-23T00:00:00 + 1020.00 + + + 10652 + 1997-09-01T00:00:00 + 318.84 + + + 10685 + 1997-09-29T00:00:00 + 801.10 + + + 10709 + 1997-10-17T00:00:00 + 3424.00 + + + 10734 + 1997-11-07T00:00:00 + 1498.35 + + + 10777 + 1997-12-15T00:00:00 + 224.00 + + + 10790 + 1997-12-22T00:00:00 + 722.50 + + + 10959 + 1998-03-18T00:00:00 + 131.75 + + + 11049 + 1998-04-24T00:00:00 + 273.60 + + + + + GREAL + Great Lakes Food Market +
2732 Baker Blvd.
+ Eugene + OR + 97403 + USA + (503) 555-7555 + + + 10528 + 1997-05-06T00:00:00 + 392.20 + + + 10589 + 1997-07-04T00:00:00 + 72.00 + + + 10616 + 1997-07-31T00:00:00 + 4807.00 + + + 10617 + 1997-07-31T00:00:00 + 1402.50 + + + 10656 + 1997-09-04T00:00:00 + 604.22 + + + 10681 + 1997-09-25T00:00:00 + 1287.40 + + + 10816 + 1998-01-06T00:00:00 + 8446.45 + + + 10936 + 1998-03-09T00:00:00 + 456.00 + + + 11006 + 1998-04-07T00:00:00 + 329.68 + + + 11040 + 1998-04-22T00:00:00 + 200.00 + + + 11061 + 1998-04-30T00:00:00 + 510.00 + + + + + GROSR + GROSELLA-Restaurante +
5ª Ave.Los Palos Grandes
+ Caracas + DF + 1081 + Venezuela + (2) 283-2951 + (2) 283-3397 + + + 10268 + 1996-07-30T00:00:00 + 1101.20 + + + 10785 + 1997-12-18T00:00:00 + 387.50 + + + + + HANAR + Hanari Carnes +
Rua do Paço, 67
+ Rio de Janeiro + RJ + 05454-876 + Brazil + (21) 555-0091 + (21) 555-8765 + + + 10250 + 1996-07-08T00:00:00 + 1552.60 + + + 10253 + 1996-07-10T00:00:00 + 1444.80 + + + 10541 + 1997-05-19T00:00:00 + 1946.52 + + + 10645 + 1997-08-26T00:00:00 + 1535.00 + + + 10690 + 1997-10-02T00:00:00 + 862.50 + + + 10770 + 1997-12-09T00:00:00 + 236.25 + + + 10783 + 1997-12-18T00:00:00 + 1442.50 + + + 10886 + 1998-02-13T00:00:00 + 3127.50 + + + 10903 + 1998-02-24T00:00:00 + 932.05 + + + 10922 + 1998-03-03T00:00:00 + 742.50 + + + 10925 + 1998-03-04T00:00:00 + 475.15 + + + 10981 + 1998-03-27T00:00:00 + 15810.00 + + + 11022 + 1998-04-14T00:00:00 + 1402.00 + + + 11052 + 1998-04-27T00:00:00 + 1332.00 + + + + + HILAA + HILARIÓN-Abastos +
Carrera 22 con Ave.Carlos Soublette #8-35
+ San Cristóbal + Táchira + 5022 + Venezuela + (5) 555-1340 + (5) 555-1948 + + + 10257 + 1996-07-16T00:00:00 + 1119.90 + + + 10395 + 1996-12-26T00:00:00 + 2122.92 + + + 10476 + 1997-03-17T00:00:00 + 180.48 + + + 10486 + 1997-03-26T00:00:00 + 1272.00 + + + 10490 + 1997-03-31T00:00:00 + 3163.20 + + + 10498 + 1997-04-07T00:00:00 + 575.00 + + + 10552 + 1997-05-29T00:00:00 + 880.50 + + + 10601 + 1997-07-16T00:00:00 + 2285.00 + + + 10613 + 1997-07-29T00:00:00 + 353.20 + + + 10641 + 1997-08-22T00:00:00 + 2054.00 + + + 10705 + 1997-10-15T00:00:00 + 378.00 + + + 10796 + 1997-12-25T00:00:00 + 2341.36 + + + 10863 + 1998-02-02T00:00:00 + 441.15 + + + 10901 + 1998-02-23T00:00:00 + 934.50 + + + 10957 + 1998-03-18T00:00:00 + 1762.70 + + + 10960 + 1998-03-19T00:00:00 + 265.35 + + + 10976 + 1998-03-25T00:00:00 + 912.00 + + + 11055 + 1998-04-28T00:00:00 + 1727.50 + + + + + HUNGC + Hungry Coyote Import Store +
City Center Plaza, 516 Main St.
+ Elgin + OR + 97827 + USA + (503) 555-6874 + (503) 555-2376 + + + 10375 + 1996-12-06T00:00:00 + 338.00 + + + 10394 + 1996-12-25T00:00:00 + 442.00 + + + 10415 + 1997-01-15T00:00:00 + 102.40 + + + 10600 + 1997-07-16T00:00:00 + 479.80 + + + 10660 + 1997-09-08T00:00:00 + 1701.00 + + + + + HUNGO + Hungry Owl All-Night Grocers +
8 Johnstown Road
+ Cork + Co.Cork + Ireland + 2967 542 + 2967 3333 + + + 10298 + 1996-09-05T00:00:00 + 2645.00 + + + 10309 + 1996-09-19T00:00:00 + 1762.00 + + + 10335 + 1996-10-22T00:00:00 + 2036.16 + + + 10373 + 1996-12-05T00:00:00 + 1366.40 + + + 10380 + 1996-12-12T00:00:00 + 1313.82 + + + 10429 + 1997-01-29T00:00:00 + 1441.38 + + + 10503 + 1997-04-11T00:00:00 + 2048.50 + + + 10516 + 1997-04-24T00:00:00 + 2381.05 + + + 10567 + 1997-06-12T00:00:00 + 2519.00 + + + 10646 + 1997-08-27T00:00:00 + 1446.00 + + + 10661 + 1997-09-09T00:00:00 + 562.60 + + + 10687 + 1997-09-30T00:00:00 + 4960.90 + + + 10701 + 1997-10-13T00:00:00 + 2864.50 + + + 10712 + 1997-10-21T00:00:00 + 1233.48 + + + 10736 + 1997-11-11T00:00:00 + 997.00 + + + 10897 + 1998-02-19T00:00:00 + 10835.24 + + + 10912 + 1998-02-26T00:00:00 + 6200.55 + + + 10985 + 1998-03-30T00:00:00 + 2023.38 + + + 11063 + 1998-04-30T00:00:00 + 1342.95 + + + + + ISLAT + Island Trading +
Garden House, Crowther Way
+ Cowes + Isle of Wight + PO31 7PJ + UK + (198) 555-8888 + + + 10315 + 1996-09-26T00:00:00 + 516.80 + + + 10318 + 1996-10-01T00:00:00 + 240.40 + + + 10321 + 1996-10-03T00:00:00 + 144.00 + + + 10473 + 1997-03-13T00:00:00 + 230.40 + + + 10621 + 1997-08-05T00:00:00 + 758.50 + + + 10674 + 1997-09-18T00:00:00 + 45.00 + + + 10749 + 1997-11-20T00:00:00 + 1080.00 + + + 10798 + 1997-12-26T00:00:00 + 446.60 + + + 10829 + 1998-01-13T00:00:00 + 1764.00 + + + 10933 + 1998-03-06T00:00:00 + 920.60 + + + + + KOENE + Königlich Essen +
Maubelstr. 90
+ Brandenburg + 14776 + Germany + 0555-09876 + + + 10323 + 1996-10-07T00:00:00 + 164.40 + + + 10325 + 1996-10-09T00:00:00 + 1497.00 + + + 10456 + 1997-02-25T00:00:00 + 557.60 + + + 10457 + 1997-02-25T00:00:00 + 1584.00 + + + 10468 + 1997-03-07T00:00:00 + 717.60 + + + 10506 + 1997-04-15T00:00:00 + 415.80 + + + 10542 + 1997-05-20T00:00:00 + 469.11 + + + 10630 + 1997-08-13T00:00:00 + 903.60 + + + 10718 + 1997-10-27T00:00:00 + 3463.00 + + + 10799 + 1997-12-26T00:00:00 + 1553.50 + + + 10817 + 1998-01-06T00:00:00 + 10952.84 + + + 10849 + 1998-01-23T00:00:00 + 967.82 + + + 10893 + 1998-02-18T00:00:00 + 5502.11 + + + 11028 + 1998-04-16T00:00:00 + 2160.00 + + + + + LACOR + La corne d'abondance +
67, avenue de l'Europe
+ Versailles + 78000 + France + 30.59.84.10 + 30.59.85.11 + + + 10858 + 1998-01-29T00:00:00 + 649.00 + + + 10927 + 1998-03-05T00:00:00 + 800.00 + + + 10972 + 1998-03-24T00:00:00 + 251.50 + + + 10973 + 1998-03-24T00:00:00 + 291.55 + + + + + LAMAI + La maison d'Asie +
1 rue Alsace-Lorraine
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1900 Oak St.
+ Vancouver + BC + V3F 2K1 + Canada + (604) 555-3392 + (604) 555-7293 + + + 10495 + 1997-04-03T00:00:00 + 278.00 + + + 10620 + 1997-08-05T00:00:00 + 57.50 + + + 10810 + 1998-01-01T00:00:00 + 187.00 + + + + + LAZYK + Lazy K Kountry Store +
12 Orchestra Terrace
+ Walla Walla + WA + 99362 + USA + (509) 555-7969 + (509) 555-6221 + + + 10482 + 1997-03-21T00:00:00 + 147.00 + + + 10545 + 1997-05-22T00:00:00 + 210.00 + + + + + LEHMS + Lehmanns Marktstand +
Magazinweg 7
+ Frankfurt a.M. + 60528 + Germany + 069-0245984 + 069-0245874 + + + 10279 + 1996-08-13T00:00:00 + 351.00 + + + 10284 + 1996-08-19T00:00:00 + 1170.38 + + + 10343 + 1996-10-31T00:00:00 + 1584.00 + + + 10497 + 1997-04-04T00:00:00 + 1380.60 + + + 10522 + 1997-04-30T00:00:00 + 2318.24 + + + 10534 + 1997-05-12T00:00:00 + 465.70 + + + 10536 + 1997-05-14T00:00:00 + 1645.00 + + + 10557 + 1997-06-03T00:00:00 + 1152.50 + + + 10592 + 1997-07-08T00:00:00 + 516.47 + + + 10593 + 1997-07-09T00:00:00 + 1994.40 + + + 10772 + 1997-12-10T00:00:00 + 3603.22 + + + 10862 + 1998-01-30T00:00:00 + 581.00 + + + 10891 + 1998-02-17T00:00:00 + 368.93 + + + 10934 + 1998-03-09T00:00:00 + 500.00 + + + 11070 + 1998-05-05T00:00:00 + 1629.98 + + + + + LETSS + Let's Stop N Shop +
87 Polk St. Suite 5
+ San Francisco + CA + 94117 + USA + (415) 555-5938 + + + 10579 + 1997-06-25T00:00:00 + 317.75 + + + 10719 + 1997-10-27T00:00:00 + 844.25 + + + 10735 + 1997-11-10T00:00:00 + 536.40 + + + 10884 + 1998-02-12T00:00:00 + 1378.07 + + + + + LILAS + LILA-Supermercado +
Carrera 52 con Ave.Bolívar #65-98 Llano Largo
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Ave. 5 de Mayo Porlamar
+ I.de Margarita + Nueva Esparta + 4980 + Venezuela + (8) 34-56-12 + (8) 34-93-93 + + + 10405 + 1997-01-06T00:00:00 + 400.00 + + + 10485 + 1997-03-25T00:00:00 + 1584.00 + + + 10638 + 1997-08-20T00:00:00 + 2720.05 + + + 10697 + 1997-10-08T00:00:00 + 805.42 + + + 10729 + 1997-11-04T00:00:00 + 1850.00 + + + 10811 + 1998-01-02T00:00:00 + 852.00 + + + 10838 + 1998-01-19T00:00:00 + 1938.38 + + + 10840 + 1998-01-19T00:00:00 + 211.20 + + + 10919 + 1998-03-02T00:00:00 + 1122.80 + + + 10954 + 1998-03-17T00:00:00 + 1659.54 + + + 11014 + 1998-04-10T00:00:00 + 243.18 + + + 11039 + 1998-04-21T00:00:00 + 3090.00 + + + + + LONEP + Lonesome Pine Restaurant +
89 Chiaroscuro Rd.
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Via Ludovico il Moro 22
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Rue Joseph-Bens 532
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43 rue St. Laurent
+ Montréal + Québec + H1J 1C3 + Canada + (514) 555-8054 + (514) 555-8055 + + + 10332 + 1996-10-17T00:00:00 + 1786.88 + + + 10339 + 1996-10-28T00:00:00 + 3354.00 + + + 10376 + 1996-12-09T00:00:00 + 399.00 + + + 10424 + 1997-01-23T00:00:00 + 9194.56 + + + 10439 + 1997-02-07T00:00:00 + 1078.00 + + + 10505 + 1997-04-14T00:00:00 + 147.90 + + + 10565 + 1997-06-11T00:00:00 + 639.90 + + + 10570 + 1997-06-17T00:00:00 + 2465.25 + + + 10590 + 1997-07-07T00:00:00 + 1101.00 + + + 10605 + 1997-07-21T00:00:00 + 4109.70 + + + 10618 + 1997-08-01T00:00:00 + 2697.50 + + + 10619 + 1997-08-04T00:00:00 + 1260.00 + + + 10724 + 1997-10-30T00:00:00 + 638.50 + + + + + MORGK + Morgenstern Gesundkost +
Heerstr. 22
+ Leipzig + 04179 + Germany + 0342-023176 + + + 10277 + 1996-08-09T00:00:00 + 1200.80 + + + 10575 + 1997-06-20T00:00:00 + 2147.40 + + + 10699 + 1997-10-09T00:00:00 + 114.00 + + + 10779 + 1997-12-16T00:00:00 + 1335.00 + + + 10945 + 1998-03-12T00:00:00 + 245.00 + + + + + NORTS + North/South +
South House, 300 Queensbridge
+ London + SW7 1RZ + UK + (171) 555-7733 + (171) 555-2530 + + + 10517 + 1997-04-24T00:00:00 + 352.00 + + + 10752 + 1997-11-24T00:00:00 + 252.00 + + + 11057 + 1998-04-29T00:00:00 + 45.00 + + + + + OCEAN + Océano Atlántico Ltda. +
Ing.Gustavo Moncada 8585, Piso 20-A
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2743 Bering St.
+ Anchorage + AK + 99508 + USA + (907) 555-7584 + (907) 555-2880 + + + 10260 + 1996-07-19T00:00:00 + 1504.65 + + + 10305 + 1996-09-13T00:00:00 + 3741.30 + + + 10338 + 1996-10-25T00:00:00 + 934.50 + + + 10441 + 1997-02-10T00:00:00 + 1755.00 + + + 10594 + 1997-07-09T00:00:00 + 565.50 + + + 10680 + 1997-09-24T00:00:00 + 1261.88 + + + 10706 + 1997-10-16T00:00:00 + 1893.00 + + + 10855 + 1998-01-27T00:00:00 + 2227.89 + + + 10965 + 1998-03-20T00:00:00 + 848.00 + + + 11034 + 1998-04-20T00:00:00 + 539.40 + + + + + OTTIK + Ottilies Käseladen +
Mehrheimerstr. 369
+ Köln + 50739 + Germany + 0221-0644327 + 0221-0765721 + + + 10407 + 1997-01-07T00:00:00 + 1194.00 + + + 10508 + 1997-04-16T00:00:00 + 240.00 + + + 10554 + 1997-05-30T00:00:00 + 1728.52 + + + 10580 + 1997-06-26T00:00:00 + 1013.74 + + + 10684 + 1997-09-26T00:00:00 + 1768.00 + + + 10766 + 1997-12-05T00:00:00 + 2310.00 + + + 10833 + 1998-01-15T00:00:00 + 906.93 + + + 10999 + 1998-04-03T00:00:00 + 1197.95 + + + 11020 + 1998-04-14T00:00:00 + 632.40 + + + + + PARIS + Paris spécialités +
265, boulevard Charonne
+ Paris + 75012 + France + (1) 42.34.22.66 + (1) 42.34.22.77 + + + + PERIC + Pericles Comidas clásicas +
Calle Dr.Jorge Cash 321
+ México D.F. + 05033 + Mexico + (5) 552-3745 + (5) 545-3745 + + + 10322 + 1996-10-04T00:00:00 + 112.00 + + + 10354 + 1996-11-14T00:00:00 + 568.80 + + + 10474 + 1997-03-13T00:00:00 + 1249.10 + + + 10502 + 1997-04-10T00:00:00 + 816.30 + + + 10995 + 1998-04-02T00:00:00 + 1196.00 + + + 11073 + 1998-05-05T00:00:00 + 300.00 + + + + + PICCO + Piccolo und mehr +
Geislweg 14
+ Salzburg + 5020 + Austria + 6562-9722 + 6562-9723 + + + 10353 + 1996-11-13T00:00:00 + 8593.28 + + + 10392 + 1996-12-24T00:00:00 + 1440.00 + + + 10427 + 1997-01-27T00:00:00 + 651.00 + + + 10489 + 1997-03-28T00:00:00 + 439.20 + + + 10530 + 1997-05-08T00:00:00 + 4180.00 + + + 10597 + 1997-07-11T00:00:00 + 718.08 + + + 10686 + 1997-09-30T00:00:00 + 1404.45 + + + 10747 + 1997-11-19T00:00:00 + 1912.85 + + + 10844 + 1998-01-21T00:00:00 + 735.00 + + + 11053 + 1998-04-27T00:00:00 + 3055.00 + + + + + PRINI + Princesa Isabel Vinhos +
Estrada da saúde n. 58
+ Lisboa + 1756 + Portugal + (1) 356-5634 + + + 10336 + 1996-10-23T00:00:00 + 285.12 + + + 10397 + 1996-12-27T00:00:00 + 716.72 + + + 10433 + 1997-02-03T00:00:00 + 851.20 + + + 10477 + 1997-03-17T00:00:00 + 558.00 + + + 10808 + 1998-01-01T00:00:00 + 1411.00 + + + 11007 + 1998-04-08T00:00:00 + 2633.90 + + + + + QUEDE + Que Delícia +
Rua da Panificadora, 12
+ Rio de Janeiro + RJ + 02389-673 + Brazil + (21) 555-4252 + (21) 555-4545 + + + 10261 + 1996-07-19T00:00:00 + 448.00 + + + 10291 + 1996-08-27T00:00:00 + 497.52 + + + 10379 + 1996-12-11T00:00:00 + 863.28 + + + 10421 + 1997-01-21T00:00:00 + 1194.27 + + + 10587 + 1997-07-02T00:00:00 + 807.38 + + + 10647 + 1997-08-27T00:00:00 + 636.00 + + + 10720 + 1997-10-28T00:00:00 + 550.00 + + + 10794 + 1997-12-24T00:00:00 + 314.76 + + + 10989 + 1998-03-31T00:00:00 + 1353.60 + + + + + QUEEN + Queen Cozinha +
Alameda dos Canàrios, 891
+ São Paulo + SP + 05487-020 + Brazil + (11) 555-1189 + + + 10372 + 1996-12-04T00:00:00 + 9210.90 + + + 10406 + 1997-01-07T00:00:00 + 1830.78 + + + 10487 + 1997-03-26T00:00:00 + 889.70 + + + 10637 + 1997-08-19T00:00:00 + 2761.94 + + + 10659 + 1997-09-05T00:00:00 + 1227.02 + + + 10704 + 1997-10-14T00:00:00 + 595.50 + + + 10728 + 1997-11-04T00:00:00 + 1296.75 + + + 10786 + 1997-12-19T00:00:00 + 1531.08 + + + 10868 + 1998-02-04T00:00:00 + 1920.60 + + + 10913 + 1998-02-26T00:00:00 + 768.75 + + + 10914 + 1998-02-27T00:00:00 + 537.50 + + + 10961 + 1998-03-19T00:00:00 + 1119.90 + + + 11068 + 1998-05-04T00:00:00 + 2027.08 + + + + + QUICK + QUICK-Stop +
Taucherstraße 10
+ Cunewalde + 01307 + Germany + 0372-035188 + + + 10273 + 1996-08-05T00:00:00 + 2037.28 + + + 10285 + 1996-08-20T00:00:00 + 1743.36 + + + 10286 + 1996-08-21T00:00:00 + 3016.00 + + + 10313 + 1996-09-24T00:00:00 + 182.40 + + + 10345 + 1996-11-04T00:00:00 + 2924.80 + + + 10361 + 1996-11-22T00:00:00 + 2046.24 + + + 10418 + 1997-01-17T00:00:00 + 1814.80 + + + 10451 + 1997-02-19T00:00:00 + 3849.66 + + + 10515 + 1997-04-23T00:00:00 + 9921.30 + + + 10527 + 1997-05-05T00:00:00 + 1503.00 + + + 10540 + 1997-05-19T00:00:00 + 10191.70 + + + 10549 + 1997-05-27T00:00:00 + 3554.28 + + + 10588 + 1997-07-03T00:00:00 + 3120.00 + + + 10658 + 1997-09-05T00:00:00 + 4464.60 + + + 10691 + 1997-10-03T00:00:00 + 10164.80 + + + 10694 + 1997-10-06T00:00:00 + 4825.00 + + + 10721 + 1997-10-29T00:00:00 + 923.88 + + + 10745 + 1997-11-18T00:00:00 + 4529.80 + + + 10765 + 1997-12-04T00:00:00 + 1515.60 + + + 10788 + 1997-12-22T00:00:00 + 731.50 + + + 10845 + 1998-01-21T00:00:00 + 3812.70 + + + 10865 + 1998-02-02T00:00:00 + 16387.50 + + + 10878 + 1998-02-10T00:00:00 + 1539.00 + + + 10938 + 1998-03-10T00:00:00 + 2731.88 + + + 10962 + 1998-03-19T00:00:00 + 3584.00 + + + 10991 + 1998-04-01T00:00:00 + 2296.00 + + + 10996 + 1998-04-02T00:00:00 + 560.00 + + + 11021 + 1998-04-14T00:00:00 + 6306.24 + + + + + RANCH + Rancho grande +
Av.del Libertador 900
+ Buenos Aires + 1010 + Argentina + (1) 123-5555 + (1) 123-5556 + + + 10448 + 1997-02-17T00:00:00 + 443.40 + + + 10716 + 1997-10-24T00:00:00 + 706.00 + + + 10828 + 1998-01-13T00:00:00 + 932.00 + + + 10916 + 1998-02-27T00:00:00 + 686.70 + + + 11019 + 1998-04-13T00:00:00 + 76.00 + + + + + RATTC + Rattlesnake Canyon Grocery +
2817 Milton Dr.
+ Albuquerque + NM + 87110 + USA + (505) 555-5939 + (505) 555-3620 + + + 10262 + 1996-07-22T00:00:00 + 584.00 + + + 10272 + 1996-08-02T00:00:00 + 1456.00 + + + 10294 + 1996-08-30T00:00:00 + 1887.60 + + + 10314 + 1996-09-25T00:00:00 + 2094.30 + + + 10316 + 1996-09-27T00:00:00 + 2835.00 + + + 10346 + 1996-11-05T00:00:00 + 1618.88 + + + 10401 + 1997-01-01T00:00:00 + 3868.60 + + + 10479 + 1997-03-19T00:00:00 + 10495.60 + + + 10564 + 1997-06-10T00:00:00 + 1234.05 + + + 10569 + 1997-06-16T00:00:00 + 890.00 + + + 10598 + 1997-07-14T00:00:00 + 2388.50 + + + 10761 + 1997-12-02T00:00:00 + 507.00 + + + 10820 + 1998-01-07T00:00:00 + 1140.00 + + + 10852 + 1998-01-26T00:00:00 + 2984.00 + + + 10889 + 1998-02-16T00:00:00 + 11380.00 + + + 10988 + 1998-03-31T00:00:00 + 3574.80 + + + 11000 + 1998-04-06T00:00:00 + 903.75 + + + 11077 + 1998-05-06T00:00:00 + 1255.72 + + + + + REGGC + Reggiani Caseifici +
Strada Provinciale 124
+ Reggio Emilia + 42100 + Italy + 0522-556721 + 0522-556722 + + + 10288 + 1996-08-23T00:00:00 + 80.10 + + + 10428 + 1997-01-28T00:00:00 + 192.00 + + + 10443 + 1997-02-12T00:00:00 + 517.44 + + + 10562 + 1997-06-09T00:00:00 + 488.70 + + + 10586 + 1997-07-02T00:00:00 + 23.80 + + + 10655 + 1997-09-03T00:00:00 + 154.40 + + + 10727 + 1997-11-03T00:00:00 + 1624.50 + + + 10812 + 1998-01-02T00:00:00 + 1692.80 + + + 10908 + 1998-02-26T00:00:00 + 663.10 + + + 10942 + 1998-03-11T00:00:00 + 560.00 + + + 11010 + 1998-04-09T00:00:00 + 645.00 + + + 11062 + 1998-04-30T00:00:00 + 406.40 + + + + + RICAR + Ricardo Adocicados +
Av.Copacabana, 267
+ Rio de Janeiro + RJ + 02389-890 + Brazil + (21) 555-3412 + + + 10287 + 1996-08-22T00:00:00 + 819.00 + + + 10299 + 1996-09-06T00:00:00 + 349.50 + + + 10447 + 1997-02-14T00:00:00 + 914.40 + + + 10481 + 1997-03-20T00:00:00 + 1472.00 + + + 10563 + 1997-06-10T00:00:00 + 965.00 + + + 10622 + 1997-08-06T00:00:00 + 560.00 + + + 10648 + 1997-08-28T00:00:00 + 372.38 + + + 10813 + 1998-01-05T00:00:00 + 602.40 + + + 10851 + 1998-01-26T00:00:00 + 2603.00 + + + 10877 + 1998-02-09T00:00:00 + 1955.12 + + + 11059 + 1998-04-29T00:00:00 + 1838.00 + + + + + RICSU + Richter Supermarkt +
Grenzacherweg 237
+ Genève + 1203 + Switzerland + 0897-034214 + + + 10255 + 1996-07-12T00:00:00 + 2490.50 + + + 10419 + 1997-01-20T00:00:00 + 2097.60 + + + 10537 + 1997-05-14T00:00:00 + 1823.80 + + + 10666 + 1997-09-12T00:00:00 + 4666.94 + + + 10751 + 1997-11-24T00:00:00 + 1631.48 + + + 10758 + 1997-11-28T00:00:00 + 1644.60 + + + 10931 + 1998-03-06T00:00:00 + 799.20 + + + 10951 + 1998-03-16T00:00:00 + 458.76 + + + 11033 + 1998-04-17T00:00:00 + 3232.80 + + + 11075 + 1998-05-06T00:00:00 + 498.10 + + + + + ROMEY + Romero y tomillo +
Gran Vía, 1
+ Madrid + 28001 + Spain + (91) 745 6200 + (91) 745 6210 + + + 10281 + 1996-08-14T00:00:00 + 86.50 + + + 10282 + 1996-08-15T00:00:00 + 155.40 + + + 10306 + 1996-09-16T00:00:00 + 498.50 + + + 10917 + 1998-03-02T00:00:00 + 365.89 + + + 11013 + 1998-04-09T00:00:00 + 361.00 + + + + + SANTG + Santé Gourmet +
Erling Skakkes gate 78
+ Stavern + 4110 + Norway + 07-98 92 35 + 07-98 92 47 + + + 10387 + 1996-12-18T00:00:00 + 1058.40 + + + 10520 + 1997-04-29T00:00:00 + 200.00 + + + 10639 + 1997-08-20T00:00:00 + 500.00 + + + 10831 + 1998-01-14T00:00:00 + 2684.40 + + + 10909 + 1998-02-26T00:00:00 + 670.00 + + + 11015 + 1998-04-10T00:00:00 + 622.35 + + + + + SAVEA + Save-a-lot Markets +
187 Suffolk Ln.
+ Boise + ID + 83720 + USA + (208) 555-8097 + + + 10324 + 1996-10-08T00:00:00 + 5275.72 + + + 10393 + 1996-12-25T00:00:00 + 2556.95 + + + 10398 + 1996-12-30T00:00:00 + 2505.60 + + + 10440 + 1997-02-10T00:00:00 + 4924.14 + + + 10452 + 1997-02-20T00:00:00 + 2018.50 + + + 10510 + 1997-04-18T00:00:00 + 4707.54 + + + 10555 + 1997-06-02T00:00:00 + 2944.40 + + + 10603 + 1997-07-18T00:00:00 + 1483.00 + + + 10607 + 1997-07-22T00:00:00 + 6475.40 + + + 10612 + 1997-07-28T00:00:00 + 6375.00 + + + 10627 + 1997-08-11T00:00:00 + 1185.75 + + + 10657 + 1997-09-04T00:00:00 + 4371.60 + + + 10678 + 1997-09-23T00:00:00 + 5256.50 + + + 10700 + 1997-10-10T00:00:00 + 1638.40 + + + 10711 + 1997-10-21T00:00:00 + 4451.70 + + + 10713 + 1997-10-22T00:00:00 + 2827.90 + + + 10714 + 1997-10-22T00:00:00 + 2205.75 + + + 10722 + 1997-10-29T00:00:00 + 1570.00 + + + 10748 + 1997-11-20T00:00:00 + 2196.00 + + + 10757 + 1997-11-27T00:00:00 + 3082.00 + + + 10815 + 1998-01-05T00:00:00 + 40.00 + + + 10847 + 1998-01-22T00:00:00 + 4931.92 + + + 10882 + 1998-02-11T00:00:00 + 892.64 + + + 10894 + 1998-02-18T00:00:00 + 2753.10 + + + 10941 + 1998-03-11T00:00:00 + 4011.75 + + + 10983 + 1998-03-27T00:00:00 + 720.90 + + + 10984 + 1998-03-30T00:00:00 + 1809.75 + + + 11002 + 1998-04-06T00:00:00 + 1811.10 + + + 11030 + 1998-04-17T00:00:00 + 12615.05 + + + 11031 + 1998-04-17T00:00:00 + 2393.50 + + + 11064 + 1998-05-01T00:00:00 + 4330.40 + + + + + SEVES + Seven Seas Imports +
90 Wadhurst Rd.
+ London + OX15 4NB + UK + (171) 555-1717 + (171) 555-5646 + + + 10359 + 1996-11-21T00:00:00 + 3471.68 + + + 10377 + 1996-12-09T00:00:00 + 863.60 + + + 10388 + 1996-12-19T00:00:00 + 1228.80 + + + 10472 + 1997-03-12T00:00:00 + 1036.80 + + + 10523 + 1997-05-01T00:00:00 + 2444.31 + + + 10547 + 1997-05-23T00:00:00 + 1792.80 + + + 10800 + 1997-12-26T00:00:00 + 1468.94 + + + 10804 + 1997-12-30T00:00:00 + 2278.40 + + + 10869 + 1998-02-04T00:00:00 + 1630.00 + + + + + SIMOB + Simons bistro +
Vinbæltet 34
+ København + 1734 + Denmark + 31 12 34 56 + 31 13 35 57 + + + 10341 + 1996-10-29T00:00:00 + 352.60 + + + 10417 + 1997-01-16T00:00:00 + 11188.40 + + + 10556 + 1997-06-03T00:00:00 + 835.20 + + + 10642 + 1997-08-22T00:00:00 + 696.00 + + + 10669 + 1997-09-15T00:00:00 + 570.00 + + + 10802 + 1997-12-29T00:00:00 + 2942.81 + + + 11074 + 1998-05-06T00:00:00 + 232.08 + + + + + SPECD + Spécialités du monde +
25, rue Lauriston
+ Paris + 75016 + France + (1) 47.55.60.10 + (1) 47.55.60.20 + + + 10738 + 1997-11-12T00:00:00 + 52.35 + + + 10907 + 1998-02-25T00:00:00 + 108.50 + + + 10964 + 1998-03-20T00:00:00 + 2052.50 + + + 11043 + 1998-04-22T00:00:00 + 210.00 + + + + + SPLIR + Split Rail Beer & Ale +
P.O.Box 555
+ Lander + WY + 82520 + USA + (307) 555-4680 + (307) 555-6525 + + + 10271 + 1996-08-01T00:00:00 + 48.00 + + + 10329 + 1996-10-15T00:00:00 + 4578.43 + + + 10349 + 1996-11-08T00:00:00 + 141.60 + + + 10369 + 1996-12-02T00:00:00 + 2390.40 + + + 10385 + 1996-12-17T00:00:00 + 691.20 + + + 10432 + 1997-01-31T00:00:00 + 485.00 + + + 10756 + 1997-11-27T00:00:00 + 1990.00 + + + 10821 + 1998-01-08T00:00:00 + 678.00 + + + 10974 + 1998-03-25T00:00:00 + 439.00 + + + + + SUPRD + Suprêmes délices +
Boulevard Tirou, 255
+ Charleroi + B-6000 + Belgium + (071) 23 67 22 20 + (071) 23 67 22 21 + + + 10252 + 1996-07-09T00:00:00 + 3597.90 + + + 10302 + 1996-09-10T00:00:00 + 2708.80 + + + 10458 + 1997-02-26T00:00:00 + 3891.00 + + + 10463 + 1997-03-04T00:00:00 + 713.30 + + + 10475 + 1997-03-14T00:00:00 + 1505.18 + + + 10767 + 1997-12-05T00:00:00 + 28.00 + + + 10841 + 1998-01-20T00:00:00 + 4581.00 + + + 10846 + 1998-01-22T00:00:00 + 1112.00 + + + 10885 + 1998-02-12T00:00:00 + 1209.00 + + + 10930 + 1998-03-06T00:00:00 + 2255.50 + + + 11035 + 1998-04-20T00:00:00 + 1754.50 + + + 11038 + 1998-04-21T00:00:00 + 732.60 + + + + + THEBI + The Big Cheese +
89 Jefferson Way, Suite 2
+ Portland + OR + 97201 + USA + (503) 555-3612 + + + 10310 + 1996-09-20T00:00:00 + 336.00 + + + 10708 + 1997-10-17T00:00:00 + 180.40 + + + 10805 + 1997-12-30T00:00:00 + 2775.00 + + + 10992 + 1998-04-01T00:00:00 + 69.60 + + + + + THECR + The Cracker Box +
55 Grizzly Peak Rd.
+ Butte + MT + 59801 + USA + (406) 555-5834 + (406) 555-8083 + + + 10624 + 1997-08-07T00:00:00 + 1393.24 + + + 10775 + 1997-12-12T00:00:00 + 228.00 + + + 11003 + 1998-04-06T00:00:00 + 326.00 + + + + + TOMSP + Toms Spezialitäten +
Luisenstr. 48
+ Münster + 44087 + Germany + 0251-031259 + 0251-035695 + + + 10438 + 1997-02-06T00:00:00 + 454.00 + + + 10446 + 1997-02-14T00:00:00 + 246.24 + + + 10548 + 1997-05-26T00:00:00 + 240.10 + + + 10608 + 1997-07-23T00:00:00 + 1064.00 + + + 10967 + 1998-03-23T00:00:00 + 910.40 + + + + + TORTU + Tortuga Restaurante +
Avda.Azteca 123
+ México D.F. + 05033 + Mexico + (5) 555-2933 + + + 10276 + 1996-08-08T00:00:00 + 420.00 + + + 10293 + 1996-08-29T00:00:00 + 848.70 + + + 10304 + 1996-09-12T00:00:00 + 954.40 + + + 10319 + 1996-10-02T00:00:00 + 1191.20 + + + 10518 + 1997-04-25T00:00:00 + 4150.05 + + + 10576 + 1997-06-23T00:00:00 + 838.45 + + + 10676 + 1997-09-22T00:00:00 + 534.85 + + + 10842 + 1998-01-20T00:00:00 + 975.00 + + + 10915 + 1998-02-27T00:00:00 + 539.50 + + + 11069 + 1998-05-04T00:00:00 + 360.00 + + + + + TRADH + Tradição Hipermercados +
Av.Inês de Castro, 414
+ São Paulo + SP + 05634-030 + Brazil + (11) 555-2167 + (11) 555-2168 + + + 10249 + 1996-07-05T00:00:00 + 1863.40 + + + 10292 + 1996-08-28T00:00:00 + 1296.00 + + + 10496 + 1997-04-04T00:00:00 + 190.00 + + + 10606 + 1997-07-22T00:00:00 + 1130.40 + + + 10830 + 1998-01-13T00:00:00 + 1974.00 + + + 10834 + 1998-01-15T00:00:00 + 1432.71 + + + 10839 + 1998-01-19T00:00:00 + 827.55 + + + + + TRAIH + Trail's Head Gourmet Provisioners +
722 DaVinci Blvd.
+ Kirkland + WA + 98034 + USA + (206) 555-8257 + (206) 555-2174 + + + 10574 + 1997-06-19T00:00:00 + 764.30 + + + 10577 + 1997-06-23T00:00:00 + 569.00 + + + 10822 + 1998-01-08T00:00:00 + 237.90 + + + + + VAFFE + Vaffeljernet +
Smagsløget 45
+ Århus + 8200 + Denmark + 86 21 32 43 + 86 22 33 44 + + + 10367 + 1996-11-28T00:00:00 + 834.20 + + + 10399 + 1996-12-31T00:00:00 + 1765.60 + + + 10465 + 1997-03-05T00:00:00 + 2518.00 + + + 10591 + 1997-07-07T00:00:00 + 812.50 + + + 10602 + 1997-07-17T00:00:00 + 48.75 + + + 10688 + 1997-10-01T00:00:00 + 3160.60 + + + 10744 + 1997-11-17T00:00:00 + 736.00 + + + 10769 + 1997-12-08T00:00:00 + 1684.28 + + + 10921 + 1998-03-03T00:00:00 + 1936.00 + + + 10946 + 1998-03-12T00:00:00 + 1407.50 + + + 10994 + 1998-04-02T00:00:00 + 940.50 + + + + + VICTE + Victuailles en stock +
2, rue du Commerce
+ Lyon + 69004 + France + 78.32.54.86 + 78.32.54.87 + + + 10251 + 1996-07-08T00:00:00 + 654.06 + + + 10334 + 1996-10-21T00:00:00 + 144.80 + + + 10450 + 1997-02-19T00:00:00 + 425.12 + + + 10459 + 1997-02-27T00:00:00 + 1659.20 + + + 10478 + 1997-03-18T00:00:00 + 471.20 + + + 10546 + 1997-05-23T00:00:00 + 2812.00 + + + 10806 + 1997-12-31T00:00:00 + 439.60 + + + 10814 + 1998-01-05T00:00:00 + 1788.45 + + + 10843 + 1998-01-21T00:00:00 + 159.00 + + + 10850 + 1998-01-23T00:00:00 + 629.00 + + + + + VINET + Vins et alcools Chevalier +
59 rue de l'Abbaye
+ Reims + 51100 + France + 26.47.15.10 + 26.47.15.11 + + + 10274 + 1996-08-06T00:00:00 + 538.60 + + + 10295 + 1996-09-02T00:00:00 + 121.60 + + + 10737 + 1997-11-11T00:00:00 + 139.80 + + + 10739 + 1997-11-12T00:00:00 + 240.00 + + + + + WANDK + Die Wandernde Kuh +
Adenauerallee 900
+ Stuttgart + 70563 + Germany + 0711-020361 + 0711-035428 + + + 10301 + 1996-09-09T00:00:00 + 755.00 + + + 10312 + 1996-09-23T00:00:00 + 1614.80 + + + 10348 + 1996-11-07T00:00:00 + 363.60 + + + 10356 + 1996-11-18T00:00:00 + 1106.40 + + + 10513 + 1997-04-22T00:00:00 + 1942.00 + + + 10632 + 1997-08-14T00:00:00 + 589.00 + + + 10640 + 1997-08-21T00:00:00 + 708.75 + + + 10651 + 1997-09-01T00:00:00 + 397.80 + + + 10668 + 1997-09-15T00:00:00 + 625.28 + + + 11046 + 1998-04-23T00:00:00 + 1485.80 + + + + + WARTH + Wartian Herkku +
Torikatu 38
+ Oulu + 90110 + Finland + 981-443655 + 981-443655 + + + 10266 + 1996-07-26T00:00:00 + 346.56 + + + 10270 + 1996-08-01T00:00:00 + 1376.00 + + + 10320 + 1996-10-03T00:00:00 + 516.00 + + + 10333 + 1996-10-18T00:00:00 + 877.20 + + + 10412 + 1997-01-13T00:00:00 + 334.80 + + + 10416 + 1997-01-16T00:00:00 + 720.00 + + + 10437 + 1997-02-05T00:00:00 + 393.00 + + + 10455 + 1997-02-24T00:00:00 + 2684.00 + + + 10526 + 1997-05-05T00:00:00 + 1151.40 + + + 10553 + 1997-05-30T00:00:00 + 1546.30 + + + 10583 + 1997-06-30T00:00:00 + 2237.50 + + + 10636 + 1997-08-19T00:00:00 + 629.50 + + + 10750 + 1997-11-21T00:00:00 + 1590.56 + + + 10781 + 1997-12-17T00:00:00 + 975.88 + + + 11025 + 1998-04-15T00:00:00 + 270.00 + + + + + WELLI + Wellington Importadora +
Rua do Mercado, 12
+ Resende + SP + 08737-363 + Brazil + (14) 555-8122 + + + 10256 + 1996-07-15T00:00:00 + 517.80 + + + 10420 + 1997-01-21T00:00:00 + 1707.84 + + + 10585 + 1997-07-01T00:00:00 + 142.50 + + + 10644 + 1997-08-25T00:00:00 + 1371.80 + + + 10803 + 1997-12-30T00:00:00 + 1193.01 + + + 10809 + 1998-01-01T00:00:00 + 140.00 + + + 10900 + 1998-02-20T00:00:00 + 33.75 + + + 10905 + 1998-02-24T00:00:00 + 342.00 + + + 10935 + 1998-03-09T00:00:00 + 619.50 + + + + + WHITC + White Clover Markets +
305 - 14th Ave.S.Suite 3B
+ Seattle + WA + 98128 + USA + (206) 555-4112 + (206) 555-4115 + + + 10269 + 1996-07-31T00:00:00 + 642.20 + + + 10344 + 1996-11-01T00:00:00 + 2296.00 + + + 10469 + 1997-03-10T00:00:00 + 956.68 + + + 10483 + 1997-03-24T00:00:00 + 668.80 + + + 10504 + 1997-04-11T00:00:00 + 1388.50 + + + 10596 + 1997-07-11T00:00:00 + 1180.88 + + + 10693 + 1997-10-06T00:00:00 + 2071.20 + + + 10696 + 1997-10-08T00:00:00 + 996.00 + + + 10723 + 1997-10-30T00:00:00 + 468.45 + + + 10740 + 1997-11-13T00:00:00 + 1416.00 + + + 10861 + 1998-01-30T00:00:00 + 3523.40 + + + 10904 + 1998-02-24T00:00:00 + 1924.25 + + + 11032 + 1998-04-17T00:00:00 + 8902.50 + + + 11066 + 1998-05-01T00:00:00 + 928.75 + + + + + WILMK + Wilman Kala +
Keskuskatu 45
+ Helsinki + 21240 + Finland + 90-224 8858 + 90-224 8858 + + + 10248 + 1996-07-04T00:00:00 + 440.00 + + + 10615 + 1997-07-30T00:00:00 + 120.00 + + + 10673 + 1997-09-18T00:00:00 + 412.35 + + + 10695 + 1997-10-07T00:00:00 + 642.00 + + + 10873 + 1998-02-06T00:00:00 + 336.80 + + + 10879 + 1998-02-10T00:00:00 + 611.30 + + + 10910 + 1998-02-26T00:00:00 + 452.90 + + + 11005 + 1998-04-07T00:00:00 + 586.00 + + + + + WOLZA + Wolski Zajazd +
ul.Filtrowa 68
+ Warszawa + 01-012 + Poland + (26) 642-7012 + (26) 642-7012 + + + 10374 + 1996-12-05T00:00:00 + 459.00 + + + 10611 + 1997-07-25T00:00:00 + 808.00 + + + 10792 + 1997-12-23T00:00:00 + 399.85 + + + 10870 + 1998-02-04T00:00:00 + 160.00 + + + 10906 + 1998-02-25T00:00:00 + 427.50 + + + 10998 + 1998-04-03T00:00:00 + 686.00 + + + 11044 + 1998-04-23T00:00:00 + 591.60 + + + +"; + } +} diff --git a/101-linq-samples/src/DataSources/Products.cs b/101-linq-samples/src/DataSources/Products.cs new file mode 100644 index 0000000..5028840 --- /dev/null +++ b/101-linq-samples/src/DataSources/Products.cs @@ -0,0 +1,97 @@ +using System.Collections.Generic; + +namespace Try101LinqSamples +{ + public class Product + { + public int ProductID { get; set; } + public string ProductName { get; set; } + public string Category { get; set; } + public decimal UnitPrice { get; set; } + public int UnitsInStock { get; set; } + } + + public static class Products + { + public static List ProductList { get; } = + new List { + new Product { ProductID = 1, ProductName = "Chai", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 39 }, + new Product { ProductID = 2, ProductName = "Chang", Category = "Beverages", UnitPrice = 19.0000M, UnitsInStock = 17 }, + new Product { ProductID = 3, ProductName = "Aniseed Syrup", Category = "Condiments", UnitPrice = 10.0000M, UnitsInStock = 13 }, + new Product { ProductID = 4, ProductName = "Chef Anton's Cajun Seasoning", Category = "Condiments", UnitPrice = 22.0000M, UnitsInStock = 53 }, + new Product { ProductID = 5, ProductName = "Chef Anton's Gumbo Mix", Category = "Condiments", UnitPrice = 21.3500M, UnitsInStock = 0 }, + new Product { ProductID = 6, ProductName = "Grandma's Boysenberry Spread", Category = "Condiments", UnitPrice = 25.0000M, UnitsInStock = 120 }, + new Product { ProductID = 7, ProductName = "Uncle Bob's Organic Dried Pears", Category = "Produce", UnitPrice = 30.0000M, UnitsInStock = 15 }, + new Product { ProductID = 8, ProductName = "Northwoods Cranberry Sauce", Category = "Condiments", UnitPrice = 40.0000M, UnitsInStock = 6 }, + new Product { ProductID = 9, ProductName = "Mishi Kobe Niku", Category = "Meat/Poultry", UnitPrice = 97.0000M, UnitsInStock = 29 }, + new Product { ProductID = 10, ProductName = "Ikura", Category = "Seafood", UnitPrice = 31.0000M, UnitsInStock = 31 }, + new Product { ProductID = 11, ProductName = "Queso Cabrales", Category = "Dairy Products", UnitPrice = 21.0000M, UnitsInStock = 22 }, + new Product { ProductID = 12, ProductName = "Queso Manchego La Pastora", Category = "Dairy Products", UnitPrice = 38.0000M, UnitsInStock = 86 }, + new Product { ProductID = 13, ProductName = "Konbu", Category = "Seafood", UnitPrice = 6.0000M, UnitsInStock = 24 }, + new Product { ProductID = 14, ProductName = "Tofu", Category = "Produce", UnitPrice = 23.2500M, UnitsInStock = 35 }, + new Product { ProductID = 15, ProductName = "Genen Shouyu", Category = "Condiments", UnitPrice = 15.5000M, UnitsInStock = 39 }, + new Product { ProductID = 16, ProductName = "Pavlova", Category = "Confections", UnitPrice = 17.4500M, UnitsInStock = 29 }, + new Product { ProductID = 17, ProductName = "Alice Mutton", Category = "Meat/Poultry", UnitPrice = 39.0000M, UnitsInStock = 0 }, + new Product { ProductID = 18, ProductName = "Carnarvon Tigers", Category = "Seafood", UnitPrice = 62.5000M, UnitsInStock = 42 }, + new Product { ProductID = 19, ProductName = "Teatime Chocolate Biscuits", Category = "Confections", UnitPrice = 9.2000M, UnitsInStock = 25 }, + new Product { ProductID = 20, ProductName = "Sir Rodney's Marmalade", Category = "Confections", UnitPrice = 81.0000M, UnitsInStock = 40 }, + new Product { ProductID = 21, ProductName = "Sir Rodney's Scones", Category = "Confections", UnitPrice = 10.0000M, UnitsInStock = 3 }, + new Product { ProductID = 22, ProductName = "Gustaf's Knäckebröd", Category = "Grains/Cereals", UnitPrice = 21.0000M, UnitsInStock = 104 }, + new Product { ProductID = 23, ProductName = "Tunnbröd", Category = "Grains/Cereals", UnitPrice = 9.0000M, UnitsInStock = 61 }, + new Product { ProductID = 24, ProductName = "Guaraná Fantástica", Category = "Beverages", UnitPrice = 4.5000M, UnitsInStock = 20 }, + new Product { ProductID = 25, ProductName = "NuNuCa Nuß-Nougat-Creme", Category = "Confections", UnitPrice = 14.0000M, UnitsInStock = 76 }, + new Product { ProductID = 26, ProductName = "Gumbär Gummibärchen", Category = "Confections", UnitPrice = 31.2300M, UnitsInStock = 15 }, + new Product { ProductID = 27, ProductName = "Schoggi Schokolade", Category = "Confections", UnitPrice = 43.9000M, UnitsInStock = 49 }, + new Product { ProductID = 28, ProductName = "Rössle Sauerkraut", Category = "Produce", UnitPrice = 45.6000M, UnitsInStock = 26 }, + new Product { ProductID = 29, ProductName = "Thüringer Rostbratwurst", Category = "Meat/Poultry", UnitPrice = 123.7900M, UnitsInStock = 0 }, + new Product { ProductID = 30, ProductName = "Nord-Ost Matjeshering", Category = "Seafood", UnitPrice = 25.8900M, UnitsInStock = 10 }, + new Product { ProductID = 31, ProductName = "Gorgonzola Telino", Category = "Dairy Products", UnitPrice = 12.5000M, UnitsInStock = 0 }, + new Product { ProductID = 32, ProductName = "Mascarpone Fabioli", Category = "Dairy Products", UnitPrice = 32.0000M, UnitsInStock = 9 }, + new Product { ProductID = 33, ProductName = "Geitost", Category = "Dairy Products", UnitPrice = 2.5000M, UnitsInStock = 112 }, + new Product { ProductID = 34, ProductName = "Sasquatch Ale", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 111 }, + new Product { ProductID = 35, ProductName = "Steeleye Stout", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 20 }, + new Product { ProductID = 36, ProductName = "Inlagd Sill", Category = "Seafood", UnitPrice = 19.0000M, UnitsInStock = 112 }, + new Product { ProductID = 37, ProductName = "Gravad lax", Category = "Seafood", UnitPrice = 26.0000M, UnitsInStock = 11 }, + new Product { ProductID = 38, ProductName = "Côte de Blaye", Category = "Beverages", UnitPrice = 263.5000M, UnitsInStock = 17 }, + new Product { ProductID = 39, ProductName = "Chartreuse verte", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 69 }, + new Product { ProductID = 40, ProductName = "Boston Crab Meat", Category = "Seafood", UnitPrice = 18.4000M, UnitsInStock = 123 }, + new Product { ProductID = 41, ProductName = "Jack's New England Clam Chowder", Category = "Seafood", UnitPrice = 9.6500M, UnitsInStock = 85 }, + new Product { ProductID = 42, ProductName = "Singaporean Hokkien Fried Mee", Category = "Grains/Cereals", UnitPrice = 14.0000M, UnitsInStock = 26 }, + new Product { ProductID = 43, ProductName = "Ipoh Coffee", Category = "Beverages", UnitPrice = 46.0000M, UnitsInStock = 17 }, + new Product { ProductID = 44, ProductName = "Gula Malacca", Category = "Condiments", UnitPrice = 19.4500M, UnitsInStock = 27 }, + new Product { ProductID = 45, ProductName = "Rogede sild", Category = "Seafood", UnitPrice = 9.5000M, UnitsInStock = 5 }, + new Product { ProductID = 46, ProductName = "Spegesild", Category = "Seafood", UnitPrice = 12.0000M, UnitsInStock = 95 }, + new Product { ProductID = 47, ProductName = "Zaanse koeken", Category = "Confections", UnitPrice = 9.5000M, UnitsInStock = 36 }, + new Product { ProductID = 48, ProductName = "Chocolade", Category = "Confections", UnitPrice = 12.7500M, UnitsInStock = 15 }, + new Product { ProductID = 49, ProductName = "Maxilaku", Category = "Confections", UnitPrice = 20.0000M, UnitsInStock = 10 }, + new Product { ProductID = 50, ProductName = "Valkoinen suklaa", Category = "Confections", UnitPrice = 16.2500M, UnitsInStock = 65 }, + new Product { ProductID = 51, ProductName = "Manjimup Dried Apples", Category = "Produce", UnitPrice = 53.0000M, UnitsInStock = 20 }, + new Product { ProductID = 52, ProductName = "Filo Mix", Category = "Grains/Cereals", UnitPrice = 7.0000M, UnitsInStock = 38 }, + new Product { ProductID = 53, ProductName = "Perth Pasties", Category = "Meat/Poultry", UnitPrice = 32.8000M, UnitsInStock = 0 }, + new Product { ProductID = 54, ProductName = "Tourtière", Category = "Meat/Poultry", UnitPrice = 7.4500M, UnitsInStock = 21 }, + new Product { ProductID = 55, ProductName = "Pâté chinois", Category = "Meat/Poultry", UnitPrice = 24.0000M, UnitsInStock = 115 }, + new Product { ProductID = 56, ProductName = "Gnocchi di nonna Alice", Category = "Grains/Cereals", UnitPrice = 38.0000M, UnitsInStock = 21 }, + new Product { ProductID = 57, ProductName = "Ravioli Angelo", Category = "Grains/Cereals", UnitPrice = 19.5000M, UnitsInStock = 36 }, + new Product { ProductID = 58, ProductName = "Escargots de Bourgogne", Category = "Seafood", UnitPrice = 13.2500M, UnitsInStock = 62 }, + new Product { ProductID = 59, ProductName = "Raclette Courdavault", Category = "Dairy Products", UnitPrice = 55.0000M, UnitsInStock = 79 }, + new Product { ProductID = 60, ProductName = "Camembert Pierrot", Category = "Dairy Products", UnitPrice = 34.0000M, UnitsInStock = 19 }, + new Product { ProductID = 61, ProductName = "Sirop d'érable", Category = "Condiments", UnitPrice = 28.5000M, UnitsInStock = 113 }, + new Product { ProductID = 62, ProductName = "Tarte au sucre", Category = "Confections", UnitPrice = 49.3000M, UnitsInStock = 17 }, + new Product { ProductID = 63, ProductName = "Vegie-spread", Category = "Condiments", UnitPrice = 43.9000M, UnitsInStock = 24 }, + new Product { ProductID = 64, ProductName = "Wimmers gute Semmelknödel", Category = "Grains/Cereals", UnitPrice = 33.2500M, UnitsInStock = 22 }, + new Product { ProductID = 65, ProductName = "Louisiana Fiery Hot Pepper Sauce", Category = "Condiments", UnitPrice = 21.0500M, UnitsInStock = 76 }, + new Product { ProductID = 66, ProductName = "Louisiana Hot Spiced Okra", Category = "Condiments", UnitPrice = 17.0000M, UnitsInStock = 4 }, + new Product { ProductID = 67, ProductName = "Laughing Lumberjack Lager", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 52 }, + new Product { ProductID = 68, ProductName = "Scottish Longbreads", Category = "Confections", UnitPrice = 12.5000M, UnitsInStock = 6 }, + new Product { ProductID = 69, ProductName = "Gudbrandsdalsost", Category = "Dairy Products", UnitPrice = 36.0000M, UnitsInStock = 26 }, + new Product { ProductID = 70, ProductName = "Outback Lager", Category = "Beverages", UnitPrice = 15.0000M, UnitsInStock = 15 }, + new Product { ProductID = 71, ProductName = "Flotemysost", Category = "Dairy Products", UnitPrice = 21.5000M, UnitsInStock = 26 }, + new Product { ProductID = 72, ProductName = "Mozzarella di Giovanni", Category = "Dairy Products", UnitPrice = 34.8000M, UnitsInStock = 14 }, + new Product { ProductID = 73, ProductName = "Röd Kaviar", Category = "Seafood", UnitPrice = 15.0000M, UnitsInStock = 101 }, + new Product { ProductID = 74, ProductName = "Longlife Tofu", Category = "Produce", UnitPrice = 10.0000M, UnitsInStock = 4 }, + new Product { ProductID = 75, ProductName = "Rhönbräu Klosterbier", Category = "Beverages", UnitPrice = 7.7500M, UnitsInStock = 125 }, + new Product { ProductID = 76, ProductName = "Lakkalikööri", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 57 }, + new Product { ProductID = 77, ProductName = "Original Frankfurter grüne Soße", Category = "Condiments", UnitPrice = 13.0000M, UnitsInStock = 32 } + }; + } +} diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 7434163..4b11701 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -25,13 +25,13 @@ static int Main( "where-drilldown" => new Restrictions().DisplayCustomerOrders(), "where-indexed" => new Restrictions().IndexedWhere(), null => RunAll(), - _ => MissingRegionTag(), + _ => MissingRegionTag(region), }; } - private static int MissingRegionTag() + private static int MissingRegionTag(string region) { - Console.WriteLine("Tag not found!"); + Console.WriteLine($"No code snippet configured for {region}"); return 1; } private static int RunAll() diff --git a/101-linq-samples/src/Restrictions.cs b/101-linq-samples/src/Restrictions.cs index 7bef8ee..cf7d6d2 100644 --- a/101-linq-samples/src/Restrictions.cs +++ b/101-linq-samples/src/Restrictions.cs @@ -1,5414 +1,14 @@ using System; using System.Collections.Generic; using System.Linq; -using System.Xml.Linq; namespace Try101LinqSamples { - public class Product - { - public int ProductID { get; set; } - public string ProductName { get; set; } - public string Category { get; set; } - public decimal UnitPrice { get; set; } - public int UnitsInStock { get; set; } - } - - public class Customer - { - public string CustomerID { get; set; } - public string CompanyName { get; set; } - public string Address { get; set; } - public string City { get; set; } - public string Region { get; set; } - public string PostalCode { get; set; } - public string Country { get; set; } - public string Phone { get; set; } - public string Fax { get; set; } - public Order[] Orders { get; set; } - } - - public class Order - { - public int OrderID { get; set; } - public DateTime OrderDate { get; set; } - public decimal Total { get; set; } - } - - public class Restrictions { - #region XML_DATA // You don't really want to see this. - private const string customers_xml = -@" - - - ALFKI - Alfreds Futterkiste -
Obere Str. 57
- Berlin - 12209 - Germany - 030-0074321 - 030-0076545 - - - 10643 - 1997-08-25T00:00:00 - 814.50 - - - 10692 - 1997-10-03T00:00:00 - 878.00 - - - 10702 - 1997-10-13T00:00:00 - 330.00 - - - 10835 - 1998-01-15T00:00:00 - 845.80 - - - 10952 - 1998-03-16T00:00:00 - 471.20 - - - 11011 - 1998-04-09T00:00:00 - 933.50 - - - - - ANATR - Ana Trujillo Emparedados y helados -
Avda.de la Constitución 2222
- México D.F. - 05021 - Mexico - (5) 555-4729 - (5) 555-3745 - - - 10308 - 1996-09-18T00:00:00 - 88.80 - - - 10625 - 1997-08-08T00:00:00 - 479.75 - - - 10759 - 1997-11-28T00:00:00 - 320.00 - - - 10926 - 1998-03-04T00:00:00 - 514.40 - - - - - ANTON - Antonio Moreno Taquería -
Mataderos 2312
- México D.F. - 05023 - Mexico - (5) 555-3932 - - - 10365 - 1996-11-27T00:00:00 - 403.20 - - - 10507 - 1997-04-15T00:00:00 - 749.06 - - - 10535 - 1997-05-13T00:00:00 - 1940.85 - - - 10573 - 1997-06-19T00:00:00 - 2082.00 - - - 10677 - 1997-09-22T00:00:00 - 813.36 - - - 10682 - 1997-09-25T00:00:00 - 375.50 - - - 10856 - 1998-01-28T00:00:00 - 660.00 - - - - - AROUT - Around the Horn -
120 Hanover Sq.
- London - WA1 1DP - UK - (171) 555-7788 - (171) 555-6750 - - - 10355 - 1996-11-15T00:00:00 - 480.00 - - - 10383 - 1996-12-16T00:00:00 - 899.00 - - - 10453 - 1997-02-21T00:00:00 - 407.70 - - - 10558 - 1997-06-04T00:00:00 - 2142.90 - - - 10707 - 1997-10-16T00:00:00 - 1641.00 - - - 10741 - 1997-11-14T00:00:00 - 228.00 - - - 10743 - 1997-11-17T00:00:00 - 319.20 - - - 10768 - 1997-12-08T00:00:00 - 1477.00 - - - 10793 - 1997-12-24T00:00:00 - 191.10 - - - 10864 - 1998-02-02T00:00:00 - 282.00 - - - 10920 - 1998-03-03T00:00:00 - 390.00 - - - 10953 - 1998-03-16T00:00:00 - 4441.25 - - - 11016 - 1998-04-10T00:00:00 - 491.50 - - - - - BERGS - Berglunds snabbköp -
Berguvsvägen 8
- Luleå - S-958 22 - Sweden - 0921-12 34 65 - 0921-12 34 67 - - - 10278 - 1996-08-12T00:00:00 - 1488.80 - - - 10280 - 1996-08-14T00:00:00 - 613.20 - - - 10384 - 1996-12-16T00:00:00 - 2222.40 - - - 10444 - 1997-02-12T00:00:00 - 1031.70 - - - 10445 - 1997-02-13T00:00:00 - 174.90 - - - 10524 - 1997-05-01T00:00:00 - 3192.65 - - - 10572 - 1997-06-18T00:00:00 - 1501.08 - - - 10626 - 1997-08-11T00:00:00 - 1503.60 - - - 10654 - 1997-09-02T00:00:00 - 601.83 - - - 10672 - 1997-09-17T00:00:00 - 3815.25 - - - 10689 - 1997-10-01T00:00:00 - 472.50 - - - 10733 - 1997-11-07T00:00:00 - 1459.00 - - - 10778 - 1997-12-16T00:00:00 - 96.50 - - - 10837 - 1998-01-16T00:00:00 - 1064.50 - - - 10857 - 1998-01-28T00:00:00 - 2048.21 - - - 10866 - 1998-02-03T00:00:00 - 1096.20 - - - 10875 - 1998-02-06T00:00:00 - 709.55 - - - 10924 - 1998-03-04T00:00:00 - 1835.70 - - - - - BLAUS - Blauer See Delikatessen -
Forsterstr. 57
- Mannheim - 68306 - Germany - 0621-08460 - 0621-08924 - - - 10501 - 1997-04-09T00:00:00 - 149.00 - - - 10509 - 1997-04-17T00:00:00 - 136.80 - - - 10582 - 1997-06-27T00:00:00 - 330.00 - - - 10614 - 1997-07-29T00:00:00 - 464.00 - - - 10853 - 1998-01-27T00:00:00 - 625.00 - - - 10956 - 1998-03-17T00:00:00 - 677.00 - - - 11058 - 1998-04-29T00:00:00 - 858.00 - - - - - BLONP - Blondel père et fils -
24, place Kléber
- Strasbourg - 67000 - France - 88.60.15.31 - 88.60.15.32 - - - 10265 - 1996-07-25T00:00:00 - 1176.00 - - - 10297 - 1996-09-04T00:00:00 - 1420.00 - - - 10360 - 1996-11-22T00:00:00 - 7390.20 - - - 10436 - 1997-02-05T00:00:00 - 1994.52 - - - 10449 - 1997-02-18T00:00:00 - 1838.20 - - - 10559 - 1997-06-05T00:00:00 - 520.41 - - - 10566 - 1997-06-12T00:00:00 - 1761.00 - - - 10584 - 1997-06-30T00:00:00 - 593.75 - - - 10628 - 1997-08-12T00:00:00 - 450.00 - - - 10679 - 1997-09-23T00:00:00 - 660.00 - - - 10826 - 1998-01-12T00:00:00 - 730.00 - - - - - BOLID - Bólido Comidas preparadas -
C/ Araquil, 67
- Madrid - 28023 - Spain - (91) 555 22 82 - (91) 555 91 99 - - - 10326 - 1996-10-10T00:00:00 - 982.00 - - - 10801 - 1997-12-29T00:00:00 - 3026.85 - - - 10970 - 1998-03-24T00:00:00 - 224.00 - - - - - BONAP - Bon app' -
12, rue des Bouchers
- Marseille - 13008 - France - 91.24.45.40 - 91.24.45.41 - - - 10331 - 1996-10-16T00:00:00 - 88.50 - - - 10340 - 1996-10-29T00:00:00 - 2436.18 - - - 10362 - 1996-11-25T00:00:00 - 1549.60 - - - 10470 - 1997-03-11T00:00:00 - 1820.80 - - - 10511 - 1997-04-18T00:00:00 - 2550.00 - - - 10525 - 1997-05-02T00:00:00 - 818.40 - - - 10663 - 1997-09-10T00:00:00 - 1930.40 - - - 10715 - 1997-10-23T00:00:00 - 1296.00 - - - 10730 - 1997-11-05T00:00:00 - 484.26 - - - 10732 - 1997-11-06T00:00:00 - 360.00 - - - 10755 - 1997-11-26T00:00:00 - 1948.50 - - - 10827 - 1998-01-12T00:00:00 - 843.00 - - - 10871 - 1998-02-05T00:00:00 - 1979.23 - - - 10876 - 1998-02-09T00:00:00 - 917.00 - - - 10932 - 1998-03-06T00:00:00 - 1788.63 - - - 10940 - 1998-03-11T00:00:00 - 360.00 - - - 11076 - 1998-05-06T00:00:00 - 792.75 - - - - - BOTTM - Bottom-Dollar Markets -
23 Tsawassen Blvd.
- Tsawassen - BC - T2F 8M4 - Canada - (604) 555-4729 - (604) 555-3745 - - - 10389 - 1996-12-20T00:00:00 - 1832.80 - - - 10410 - 1997-01-10T00:00:00 - 802.00 - - - 10411 - 1997-01-10T00:00:00 - 966.80 - - - 10431 - 1997-01-30T00:00:00 - 1892.25 - - - 10492 - 1997-04-01T00:00:00 - 851.20 - - - 10742 - 1997-11-14T00:00:00 - 3118.00 - - - 10918 - 1998-03-02T00:00:00 - 1447.50 - - - 10944 - 1998-03-12T00:00:00 - 1025.32 - - - 10949 - 1998-03-13T00:00:00 - 4422.00 - - - 10975 - 1998-03-25T00:00:00 - 717.50 - - - 10982 - 1998-03-27T00:00:00 - 1014.00 - - - 11027 - 1998-04-16T00:00:00 - 877.72 - - - 11045 - 1998-04-23T00:00:00 - 1309.50 - - - 11048 - 1998-04-24T00:00:00 - 525.00 - - - - - BSBEV - B's Beverages -
Fauntleroy Circus
- London - EC2 5NT - UK - (171) 555-1212 - - - 10289 - 1996-08-26T00:00:00 - 479.40 - - - 10471 - 1997-03-11T00:00:00 - 1328.00 - - - 10484 - 1997-03-24T00:00:00 - 386.20 - - - 10538 - 1997-05-15T00:00:00 - 139.80 - - - 10539 - 1997-05-16T00:00:00 - 355.50 - - - 10578 - 1997-06-24T00:00:00 - 477.00 - - - 10599 - 1997-07-15T00:00:00 - 493.00 - - - 10943 - 1998-03-11T00:00:00 - 711.00 - - - 10947 - 1998-03-13T00:00:00 - 220.00 - - - 11023 - 1998-04-14T00:00:00 - 1500.00 - - - - - CACTU - Cactus Comidas para llevar -
Cerrito 333
- Buenos Aires - 1010 - Argentina - (1) 135-5555 - (1) 135-4892 - - - 10521 - 1997-04-29T00:00:00 - 225.50 - - - 10782 - 1997-12-17T00:00:00 - 12.50 - - - 10819 - 1998-01-07T00:00:00 - 477.00 - - - 10881 - 1998-02-11T00:00:00 - 150.00 - - - 10937 - 1998-03-10T00:00:00 - 644.80 - - - 11054 - 1998-04-28T00:00:00 - 305.00 - - - - - CENTC - Centro comercial Moctezuma -
Sierras de Granada 9993
- México D.F. - 05022 - Mexico - (5) 555-3392 - (5) 555-7293 - - - 10259 - 1996-07-18T00:00:00 - 100.80 - - - - - CHOPS - Chop-suey Chinese -
Hauptstr. 29
- Bern - 3012 - Switzerland - 0452-076545 - - - 10254 - 1996-07-11T00:00:00 - 556.62 - - - 10370 - 1996-12-03T00:00:00 - 1117.60 - - - 10519 - 1997-04-28T00:00:00 - 2314.20 - - - 10731 - 1997-11-06T00:00:00 - 1890.50 - - - 10746 - 1997-11-19T00:00:00 - 2311.70 - - - 10966 - 1998-03-20T00:00:00 - 1098.46 - - - 11029 - 1998-04-16T00:00:00 - 1286.80 - - - 11041 - 1998-04-22T00:00:00 - 1773.00 - - - - - COMMI - Comércio Mineiro -
Av.dos Lusíadas, 23
- São Paulo - SP - 05432-043 - Brazil - (11) 555-7647 - - - 10290 - 1996-08-27T00:00:00 - 2169.00 - - - 10466 - 1997-03-06T00:00:00 - 216.00 - - - 10494 - 1997-04-02T00:00:00 - 912.00 - - - 10969 - 1998-03-23T00:00:00 - 108.00 - - - 11042 - 1998-04-22T00:00:00 - 405.75 - - - - - CONSH - Consolidated Holdings -
Berkeley Gardens, 12 Brewery
- London - WX1 6LT - UK - (171) 555-2282 - (171) 555-9199 - - - 10435 - 1997-02-04T00:00:00 - 631.60 - - - 10462 - 1997-03-03T00:00:00 - 156.00 - - - 10848 - 1998-01-23T00:00:00 - 931.50 - - - - - DRACD - Drachenblut Delikatessen -
Walserweg 21
- Aachen - 52066 - Germany - 0241-039123 - 0241-059428 - - - 10363 - 1996-11-26T00:00:00 - 447.20 - - - 10391 - 1996-12-23T00:00:00 - 86.40 - - - 10797 - 1997-12-25T00:00:00 - 420.00 - - - 10825 - 1998-01-09T00:00:00 - 1030.76 - - - 11036 - 1998-04-20T00:00:00 - 1692.00 - - - 11067 - 1998-05-04T00:00:00 - 86.85 - - - - - DUMON - Du monde entier -
67, rue des Cinquante Otages
- Nantes - 44000 - France - 40.67.88.88 - 40.67.89.89 - - - 10311 - 1996-09-20T00:00:00 - 268.80 - - - 10609 - 1997-07-24T00:00:00 - 424.00 - - - 10683 - 1997-09-26T00:00:00 - 63.00 - - - 10890 - 1998-02-16T00:00:00 - 860.10 - - - - - EASTC - Eastern Connection -
35 King George
- London - WX3 6FW - UK - (171) 555-0297 - (171) 555-3373 - - - 10364 - 1996-11-26T00:00:00 - 950.00 - - - 10400 - 1997-01-01T00:00:00 - 3063.00 - - - 10532 - 1997-05-09T00:00:00 - 796.35 - - - 10726 - 1997-11-03T00:00:00 - 655.00 - - - 10987 - 1998-03-31T00:00:00 - 2772.00 - - - 11024 - 1998-04-15T00:00:00 - 1966.81 - - - 11047 - 1998-04-24T00:00:00 - 817.88 - - - 11056 - 1998-04-28T00:00:00 - 3740.00 - - - - - ERNSH - Ernst Handel -
Kirchgasse 6
- Graz - 8010 - Austria - 7675-3425 - 7675-3426 - - - 10258 - 1996-07-17T00:00:00 - 1614.88 - - - 10263 - 1996-07-23T00:00:00 - 1873.80 - - - 10351 - 1996-11-11T00:00:00 - 5398.72 - - - 10368 - 1996-11-29T00:00:00 - 1689.78 - - - 10382 - 1996-12-13T00:00:00 - 2900.00 - - - 10390 - 1996-12-23T00:00:00 - 2090.88 - - - 10402 - 1997-01-02T00:00:00 - 2713.50 - - - 10403 - 1997-01-03T00:00:00 - 855.02 - - - 10430 - 1997-01-30T00:00:00 - 4899.20 - - - 10442 - 1997-02-11T00:00:00 - 1792.00 - - - 10514 - 1997-04-22T00:00:00 - 8623.45 - - - 10571 - 1997-06-17T00:00:00 - 550.59 - - - 10595 - 1997-07-10T00:00:00 - 4725.00 - - - 10633 - 1997-08-15T00:00:00 - 5510.59 - - - 10667 - 1997-09-12T00:00:00 - 1536.80 - - - 10698 - 1997-10-09T00:00:00 - 3436.44 - - - 10764 - 1997-12-03T00:00:00 - 2286.00 - - - 10771 - 1997-12-10T00:00:00 - 344.00 - - - 10773 - 1997-12-11T00:00:00 - 2030.40 - - - 10776 - 1997-12-15T00:00:00 - 6635.28 - - - 10795 - 1997-12-24T00:00:00 - 2158.00 - - - 10836 - 1998-01-16T00:00:00 - 4705.50 - - - 10854 - 1998-01-27T00:00:00 - 2966.50 - - - 10895 - 1998-02-18T00:00:00 - 6379.40 - - - 10968 - 1998-03-23T00:00:00 - 1408.00 - - - 10979 - 1998-03-26T00:00:00 - 4813.50 - - - 10990 - 1998-04-01T00:00:00 - 4288.85 - - - 11008 - 1998-04-08T00:00:00 - 4680.90 - - - 11017 - 1998-04-13T00:00:00 - 6750.00 - - - 11072 - 1998-05-05T00:00:00 - 5218.00 - - - - - FAMIA - Familia Arquibaldo -
Rua Orós, 92
- São Paulo - SP - 05442-030 - Brazil - (11) 555-9857 - - - 10347 - 1996-11-06T00:00:00 - 814.42 - - - 10386 - 1996-12-18T00:00:00 - 166.00 - - - 10414 - 1997-01-14T00:00:00 - 224.83 - - - 10512 - 1997-04-21T00:00:00 - 525.30 - - - 10581 - 1997-06-26T00:00:00 - 310.00 - - - 10650 - 1997-08-29T00:00:00 - 1779.20 - - - 10725 - 1997-10-31T00:00:00 - 287.80 - - - - - FISSA - FISSA Fabrica Inter.Salchichas S.A. -
C/ Moralzarzal, 86
- Madrid - 28034 - Spain - (91) 555 94 44 - (91) 555 55 93 - - - - FOLIG - Folies gourmandes -
184, chaussée de Tournai
- Lille - 59000 - France - 20.16.10.16 - 20.16.10.17 - - - 10408 - 1997-01-08T00:00:00 - 1622.40 - - - 10480 - 1997-03-20T00:00:00 - 756.00 - - - 10634 - 1997-08-15T00:00:00 - 4985.50 - - - 10763 - 1997-12-03T00:00:00 - 616.00 - - - 10789 - 1997-12-22T00:00:00 - 3687.00 - - - - - FOLKO - Folk och fä HB -
Åkergatan 24
- Bräcke - S-844 67 - Sweden - 0695-34 67 21 - - - 10264 - 1996-07-24T00:00:00 - 695.62 - - - 10327 - 1996-10-11T00:00:00 - 1810.00 - - - 10378 - 1996-12-10T00:00:00 - 103.20 - - - 10434 - 1997-02-03T00:00:00 - 321.12 - - - 10460 - 1997-02-28T00:00:00 - 176.10 - - - 10533 - 1997-05-12T00:00:00 - 2222.20 - - - 10561 - 1997-06-06T00:00:00 - 2844.50 - - - 10703 - 1997-10-14T00:00:00 - 2545.00 - - - 10762 - 1997-12-02T00:00:00 - 4337.00 - - - 10774 - 1997-12-11T00:00:00 - 868.75 - - - 10824 - 1998-01-09T00:00:00 - 250.80 - - - 10880 - 1998-02-10T00:00:00 - 1500.00 - - - 10902 - 1998-02-23T00:00:00 - 863.43 - - - 10955 - 1998-03-17T00:00:00 - 74.40 - - - 10977 - 1998-03-26T00:00:00 - 2233.00 - - - 10980 - 1998-03-27T00:00:00 - 248.00 - - - 10993 - 1998-04-01T00:00:00 - 4895.44 - - - 11001 - 1998-04-06T00:00:00 - 2769.00 - - - 11050 - 1998-04-27T00:00:00 - 810.00 - - - - - FRANK - Frankenversand -
Berliner Platz 43
- München - 80805 - Germany - 089-0877310 - 089-0877451 - - - 10267 - 1996-07-29T00:00:00 - 3536.60 - - - 10337 - 1996-10-24T00:00:00 - 2467.00 - - - 10342 - 1996-10-30T00:00:00 - 1840.64 - - - 10396 - 1996-12-27T00:00:00 - 1903.80 - - - 10488 - 1997-03-27T00:00:00 - 1512.00 - - - 10560 - 1997-06-06T00:00:00 - 1072.42 - - - 10623 - 1997-08-07T00:00:00 - 1336.95 - - - 10653 - 1997-09-02T00:00:00 - 1083.15 - - - 10670 - 1997-09-16T00:00:00 - 2301.75 - - - 10675 - 1997-09-19T00:00:00 - 1423.00 - - - 10717 - 1997-10-24T00:00:00 - 1270.75 - - - 10791 - 1997-12-23T00:00:00 - 1829.76 - - - 10859 - 1998-01-29T00:00:00 - 1078.69 - - - 10929 - 1998-03-05T00:00:00 - 1174.75 - - - 11012 - 1998-04-09T00:00:00 - 2825.30 - - - - - FRANR - France restauration -
54, rue Royale
- Nantes - 44000 - France - 40.32.21.21 - 40.32.21.20 - - - 10671 - 1997-09-17T00:00:00 - 920.10 - - - 10860 - 1998-01-29T00:00:00 - 519.00 - - - 10971 - 1998-03-24T00:00:00 - 1733.06 - - - - - FRANS - Franchi S.p.A. -
Via Monte Bianco 34
- Torino - 10100 - Italy - 011-4988260 - 011-4988261 - - - 10422 - 1997-01-22T00:00:00 - 49.80 - - - 10710 - 1997-10-20T00:00:00 - 93.50 - - - 10753 - 1997-11-25T00:00:00 - 88.00 - - - 10807 - 1997-12-31T00:00:00 - 18.40 - - - 11026 - 1998-04-15T00:00:00 - 1030.00 - - - 11060 - 1998-04-30T00:00:00 - 266.00 - - - - - FURIB - Furia Bacalhau e Frutos do Mar -
Jardim das rosas n. 32
- Lisboa - 1675 - Portugal - (1) 354-2534 - (1) 354-2535 - - - 10328 - 1996-10-14T00:00:00 - 1168.00 - - - 10352 - 1996-11-12T00:00:00 - 136.30 - - - 10464 - 1997-03-04T00:00:00 - 1609.28 - - - 10491 - 1997-03-31T00:00:00 - 259.50 - - - 10551 - 1997-05-28T00:00:00 - 1677.30 - - - 10604 - 1997-07-18T00:00:00 - 230.85 - - - 10664 - 1997-09-10T00:00:00 - 1288.39 - - - 10963 - 1998-03-19T00:00:00 - 57.80 - - - - - GALED - Galería del gastrónomo -
Rambla de Cataluña, 23
- Barcelona - 08022 - Spain - (93) 203 4560 - (93) 203 4561 - - - 10366 - 1996-11-28T00:00:00 - 136.00 - - - 10426 - 1997-01-27T00:00:00 - 338.20 - - - 10568 - 1997-06-13T00:00:00 - 155.00 - - - 10887 - 1998-02-13T00:00:00 - 70.00 - - - 10928 - 1998-03-05T00:00:00 - 137.50 - - - - - GODOS - Godos Cocina Típica -
C/ Romero, 33
- Sevilla - 41101 - Spain - (95) 555 82 82 - - - 10303 - 1996-09-11T00:00:00 - 1117.80 - - - 10550 - 1997-05-28T00:00:00 - 683.30 - - - 10629 - 1997-08-12T00:00:00 - 2775.05 - - - 10872 - 1998-02-05T00:00:00 - 2058.46 - - - 10874 - 1998-02-06T00:00:00 - 310.00 - - - 10888 - 1998-02-16T00:00:00 - 605.00 - - - 10911 - 1998-02-26T00:00:00 - 858.00 - - - 10948 - 1998-03-13T00:00:00 - 2362.25 - - - 11009 - 1998-04-08T00:00:00 - 616.50 - - - 11037 - 1998-04-21T00:00:00 - 60.00 - - - - - GOURL - Gourmet Lanchonetes -
Av.Brasil, 442
- Campinas - SP - 04876-786 - Brazil - (11) 555-9482 - - - 10423 - 1997-01-23T00:00:00 - 1020.00 - - - 10652 - 1997-09-01T00:00:00 - 318.84 - - - 10685 - 1997-09-29T00:00:00 - 801.10 - - - 10709 - 1997-10-17T00:00:00 - 3424.00 - - - 10734 - 1997-11-07T00:00:00 - 1498.35 - - - 10777 - 1997-12-15T00:00:00 - 224.00 - - - 10790 - 1997-12-22T00:00:00 - 722.50 - - - 10959 - 1998-03-18T00:00:00 - 131.75 - - - 11049 - 1998-04-24T00:00:00 - 273.60 - - - - - GREAL - Great Lakes Food Market -
2732 Baker Blvd.
- Eugene - OR - 97403 - USA - (503) 555-7555 - - - 10528 - 1997-05-06T00:00:00 - 392.20 - - - 10589 - 1997-07-04T00:00:00 - 72.00 - - - 10616 - 1997-07-31T00:00:00 - 4807.00 - - - 10617 - 1997-07-31T00:00:00 - 1402.50 - - - 10656 - 1997-09-04T00:00:00 - 604.22 - - - 10681 - 1997-09-25T00:00:00 - 1287.40 - - - 10816 - 1998-01-06T00:00:00 - 8446.45 - - - 10936 - 1998-03-09T00:00:00 - 456.00 - - - 11006 - 1998-04-07T00:00:00 - 329.68 - - - 11040 - 1998-04-22T00:00:00 - 200.00 - - - 11061 - 1998-04-30T00:00:00 - 510.00 - - - - - GROSR - GROSELLA-Restaurante -
5ª Ave.Los Palos Grandes
- Caracas - DF - 1081 - Venezuela - (2) 283-2951 - (2) 283-3397 - - - 10268 - 1996-07-30T00:00:00 - 1101.20 - - - 10785 - 1997-12-18T00:00:00 - 387.50 - - - - - HANAR - Hanari Carnes -
Rua do Paço, 67
- Rio de Janeiro - RJ - 05454-876 - Brazil - (21) 555-0091 - (21) 555-8765 - - - 10250 - 1996-07-08T00:00:00 - 1552.60 - - - 10253 - 1996-07-10T00:00:00 - 1444.80 - - - 10541 - 1997-05-19T00:00:00 - 1946.52 - - - 10645 - 1997-08-26T00:00:00 - 1535.00 - - - 10690 - 1997-10-02T00:00:00 - 862.50 - - - 10770 - 1997-12-09T00:00:00 - 236.25 - - - 10783 - 1997-12-18T00:00:00 - 1442.50 - - - 10886 - 1998-02-13T00:00:00 - 3127.50 - - - 10903 - 1998-02-24T00:00:00 - 932.05 - - - 10922 - 1998-03-03T00:00:00 - 742.50 - - - 10925 - 1998-03-04T00:00:00 - 475.15 - - - 10981 - 1998-03-27T00:00:00 - 15810.00 - - - 11022 - 1998-04-14T00:00:00 - 1402.00 - - - 11052 - 1998-04-27T00:00:00 - 1332.00 - - - - - HILAA - HILARIÓN-Abastos -
Carrera 22 con Ave.Carlos Soublette #8-35
- San Cristóbal - Táchira - 5022 - Venezuela - (5) 555-1340 - (5) 555-1948 - - - 10257 - 1996-07-16T00:00:00 - 1119.90 - - - 10395 - 1996-12-26T00:00:00 - 2122.92 - - - 10476 - 1997-03-17T00:00:00 - 180.48 - - - 10486 - 1997-03-26T00:00:00 - 1272.00 - - - 10490 - 1997-03-31T00:00:00 - 3163.20 - - - 10498 - 1997-04-07T00:00:00 - 575.00 - - - 10552 - 1997-05-29T00:00:00 - 880.50 - - - 10601 - 1997-07-16T00:00:00 - 2285.00 - - - 10613 - 1997-07-29T00:00:00 - 353.20 - - - 10641 - 1997-08-22T00:00:00 - 2054.00 - - - 10705 - 1997-10-15T00:00:00 - 378.00 - - - 10796 - 1997-12-25T00:00:00 - 2341.36 - - - 10863 - 1998-02-02T00:00:00 - 441.15 - - - 10901 - 1998-02-23T00:00:00 - 934.50 - - - 10957 - 1998-03-18T00:00:00 - 1762.70 - - - 10960 - 1998-03-19T00:00:00 - 265.35 - - - 10976 - 1998-03-25T00:00:00 - 912.00 - - - 11055 - 1998-04-28T00:00:00 - 1727.50 - - - - - HUNGC - Hungry Coyote Import Store -
City Center Plaza, 516 Main St.
- Elgin - OR - 97827 - USA - (503) 555-6874 - (503) 555-2376 - - - 10375 - 1996-12-06T00:00:00 - 338.00 - - - 10394 - 1996-12-25T00:00:00 - 442.00 - - - 10415 - 1997-01-15T00:00:00 - 102.40 - - - 10600 - 1997-07-16T00:00:00 - 479.80 - - - 10660 - 1997-09-08T00:00:00 - 1701.00 - - - - - HUNGO - Hungry Owl All-Night Grocers -
8 Johnstown Road
- Cork - Co.Cork - Ireland - 2967 542 - 2967 3333 - - - 10298 - 1996-09-05T00:00:00 - 2645.00 - - - 10309 - 1996-09-19T00:00:00 - 1762.00 - - - 10335 - 1996-10-22T00:00:00 - 2036.16 - - - 10373 - 1996-12-05T00:00:00 - 1366.40 - - - 10380 - 1996-12-12T00:00:00 - 1313.82 - - - 10429 - 1997-01-29T00:00:00 - 1441.38 - - - 10503 - 1997-04-11T00:00:00 - 2048.50 - - - 10516 - 1997-04-24T00:00:00 - 2381.05 - - - 10567 - 1997-06-12T00:00:00 - 2519.00 - - - 10646 - 1997-08-27T00:00:00 - 1446.00 - - - 10661 - 1997-09-09T00:00:00 - 562.60 - - - 10687 - 1997-09-30T00:00:00 - 4960.90 - - - 10701 - 1997-10-13T00:00:00 - 2864.50 - - - 10712 - 1997-10-21T00:00:00 - 1233.48 - - - 10736 - 1997-11-11T00:00:00 - 997.00 - - - 10897 - 1998-02-19T00:00:00 - 10835.24 - - - 10912 - 1998-02-26T00:00:00 - 6200.55 - - - 10985 - 1998-03-30T00:00:00 - 2023.38 - - - 11063 - 1998-04-30T00:00:00 - 1342.95 - - - - - ISLAT - Island Trading -
Garden House, Crowther Way
- Cowes - Isle of Wight - PO31 7PJ - UK - (198) 555-8888 - - - 10315 - 1996-09-26T00:00:00 - 516.80 - - - 10318 - 1996-10-01T00:00:00 - 240.40 - - - 10321 - 1996-10-03T00:00:00 - 144.00 - - - 10473 - 1997-03-13T00:00:00 - 230.40 - - - 10621 - 1997-08-05T00:00:00 - 758.50 - - - 10674 - 1997-09-18T00:00:00 - 45.00 - - - 10749 - 1997-11-20T00:00:00 - 1080.00 - - - 10798 - 1997-12-26T00:00:00 - 446.60 - - - 10829 - 1998-01-13T00:00:00 - 1764.00 - - - 10933 - 1998-03-06T00:00:00 - 920.60 - - - - - KOENE - Königlich Essen -
Maubelstr. 90
- Brandenburg - 14776 - Germany - 0555-09876 - - - 10323 - 1996-10-07T00:00:00 - 164.40 - - - 10325 - 1996-10-09T00:00:00 - 1497.00 - - - 10456 - 1997-02-25T00:00:00 - 557.60 - - - 10457 - 1997-02-25T00:00:00 - 1584.00 - - - 10468 - 1997-03-07T00:00:00 - 717.60 - - - 10506 - 1997-04-15T00:00:00 - 415.80 - - - 10542 - 1997-05-20T00:00:00 - 469.11 - - - 10630 - 1997-08-13T00:00:00 - 903.60 - - - 10718 - 1997-10-27T00:00:00 - 3463.00 - - - 10799 - 1997-12-26T00:00:00 - 1553.50 - - - 10817 - 1998-01-06T00:00:00 - 10952.84 - - - 10849 - 1998-01-23T00:00:00 - 967.82 - - - 10893 - 1998-02-18T00:00:00 - 5502.11 - - - 11028 - 1998-04-16T00:00:00 - 2160.00 - - - - - LACOR - La corne d'abondance -
67, avenue de l'Europe
- Versailles - 78000 - France - 30.59.84.10 - 30.59.85.11 - - - 10858 - 1998-01-29T00:00:00 - 649.00 - - - 10927 - 1998-03-05T00:00:00 - 800.00 - - - 10972 - 1998-03-24T00:00:00 - 251.50 - - - 10973 - 1998-03-24T00:00:00 - 291.55 - - - - - LAMAI - La maison d'Asie -
1 rue Alsace-Lorraine
- Toulouse - 31000 - France - 61.77.61.10 - 61.77.61.11 - - - 10350 - 1996-11-11T00:00:00 - 642.06 - - - 10358 - 1996-11-20T00:00:00 - 429.40 - - - 10371 - 1996-12-03T00:00:00 - 72.96 - - - 10413 - 1997-01-14T00:00:00 - 2123.20 - - - 10425 - 1997-01-24T00:00:00 - 360.00 - - - 10454 - 1997-02-21T00:00:00 - 331.20 - - - 10493 - 1997-04-02T00:00:00 - 608.40 - - - 10500 - 1997-04-09T00:00:00 - 523.26 - - - 10610 - 1997-07-25T00:00:00 - 299.25 - - - 10631 - 1997-08-14T00:00:00 - 55.80 - - - 10787 - 1997-12-19T00:00:00 - 2622.76 - - - 10832 - 1998-01-14T00:00:00 - 475.11 - - - 10923 - 1998-03-03T00:00:00 - 748.80 - - - 11051 - 1998-04-27T00:00:00 - 36.00 - - - - - LAUGB - Laughing Bacchus Wine Cellars -
1900 Oak St.
- Vancouver - BC - V3F 2K1 - Canada - (604) 555-3392 - (604) 555-7293 - - - 10495 - 1997-04-03T00:00:00 - 278.00 - - - 10620 - 1997-08-05T00:00:00 - 57.50 - - - 10810 - 1998-01-01T00:00:00 - 187.00 - - - - - LAZYK - Lazy K Kountry Store -
12 Orchestra Terrace
- Walla Walla - WA - 99362 - USA - (509) 555-7969 - (509) 555-6221 - - - 10482 - 1997-03-21T00:00:00 - 147.00 - - - 10545 - 1997-05-22T00:00:00 - 210.00 - - - - - LEHMS - Lehmanns Marktstand -
Magazinweg 7
- Frankfurt a.M. - 60528 - Germany - 069-0245984 - 069-0245874 - - - 10279 - 1996-08-13T00:00:00 - 351.00 - - - 10284 - 1996-08-19T00:00:00 - 1170.38 - - - 10343 - 1996-10-31T00:00:00 - 1584.00 - - - 10497 - 1997-04-04T00:00:00 - 1380.60 - - - 10522 - 1997-04-30T00:00:00 - 2318.24 - - - 10534 - 1997-05-12T00:00:00 - 465.70 - - - 10536 - 1997-05-14T00:00:00 - 1645.00 - - - 10557 - 1997-06-03T00:00:00 - 1152.50 - - - 10592 - 1997-07-08T00:00:00 - 516.47 - - - 10593 - 1997-07-09T00:00:00 - 1994.40 - - - 10772 - 1997-12-10T00:00:00 - 3603.22 - - - 10862 - 1998-01-30T00:00:00 - 581.00 - - - 10891 - 1998-02-17T00:00:00 - 368.93 - - - 10934 - 1998-03-09T00:00:00 - 500.00 - - - 11070 - 1998-05-05T00:00:00 - 1629.98 - - - - - LETSS - Let's Stop N Shop -
87 Polk St. Suite 5
- San Francisco - CA - 94117 - USA - (415) 555-5938 - - - 10579 - 1997-06-25T00:00:00 - 317.75 - - - 10719 - 1997-10-27T00:00:00 - 844.25 - - - 10735 - 1997-11-10T00:00:00 - 536.40 - - - 10884 - 1998-02-12T00:00:00 - 1378.07 - - - - - LILAS - LILA-Supermercado -
Carrera 52 con Ave.Bolívar #65-98 Llano Largo
- Barquisimeto - Lara - 3508 - Venezuela - (9) 331-6954 - (9) 331-7256 - - - 10283 - 1996-08-16T00:00:00 - 1414.80 - - - 10296 - 1996-09-03T00:00:00 - 1050.60 - - - 10330 - 1996-10-16T00:00:00 - 1649.00 - - - 10357 - 1996-11-19T00:00:00 - 1167.68 - - - 10381 - 1996-12-12T00:00:00 - 112.00 - - - 10461 - 1997-02-28T00:00:00 - 1538.70 - - - 10499 - 1997-04-08T00:00:00 - 1412.00 - - - 10543 - 1997-05-21T00:00:00 - 1504.50 - - - 10780 - 1997-12-16T00:00:00 - 720.00 - - - 10823 - 1998-01-09T00:00:00 - 2826.00 - - - 10899 - 1998-02-20T00:00:00 - 122.40 - - - 10997 - 1998-04-03T00:00:00 - 1885.00 - - - 11065 - 1998-05-01T00:00:00 - 189.42 - - - 11071 - 1998-05-05T00:00:00 - 484.50 - - - - - LINOD - LINO-Delicateses -
Ave. 5 de Mayo Porlamar
- I.de Margarita - Nueva Esparta - 4980 - Venezuela - (8) 34-56-12 - (8) 34-93-93 - - - 10405 - 1997-01-06T00:00:00 - 400.00 - - - 10485 - 1997-03-25T00:00:00 - 1584.00 - - - 10638 - 1997-08-20T00:00:00 - 2720.05 - - - 10697 - 1997-10-08T00:00:00 - 805.42 - - - 10729 - 1997-11-04T00:00:00 - 1850.00 - - - 10811 - 1998-01-02T00:00:00 - 852.00 - - - 10838 - 1998-01-19T00:00:00 - 1938.38 - - - 10840 - 1998-01-19T00:00:00 - 211.20 - - - 10919 - 1998-03-02T00:00:00 - 1122.80 - - - 10954 - 1998-03-17T00:00:00 - 1659.54 - - - 11014 - 1998-04-10T00:00:00 - 243.18 - - - 11039 - 1998-04-21T00:00:00 - 3090.00 - - - - - LONEP - Lonesome Pine Restaurant -
89 Chiaroscuro Rd.
- Portland - OR - 97219 - USA - (503) 555-9573 - (503) 555-9646 - - - 10307 - 1996-09-17T00:00:00 - 424.00 - - - 10317 - 1996-09-30T00:00:00 - 288.00 - - - 10544 - 1997-05-21T00:00:00 - 417.20 - - - 10662 - 1997-09-09T00:00:00 - 125.00 - - - 10665 - 1997-09-11T00:00:00 - 1295.00 - - - 10867 - 1998-02-03T00:00:00 - 98.40 - - - 10883 - 1998-02-12T00:00:00 - 36.00 - - - 11018 - 1998-04-13T00:00:00 - 1575.00 - - - - - MAGAA - Magazzini Alimentari Riuniti -
Via Ludovico il Moro 22
- Bergamo - 24100 - Italy - 035-640230 - 035-640231 - - - 10275 - 1996-08-07T00:00:00 - 291.84 - - - 10300 - 1996-09-09T00:00:00 - 608.00 - - - 10404 - 1997-01-03T00:00:00 - 1591.25 - - - 10467 - 1997-03-06T00:00:00 - 235.20 - - - 10635 - 1997-08-18T00:00:00 - 1326.22 - - - 10754 - 1997-11-25T00:00:00 - 55.20 - - - 10784 - 1997-12-18T00:00:00 - 1488.00 - - - 10818 - 1998-01-07T00:00:00 - 833.00 - - - 10939 - 1998-03-10T00:00:00 - 637.50 - - - 10950 - 1998-03-16T00:00:00 - 110.00 - - - - - MAISD - Maison Dewey -
Rue Joseph-Bens 532
- Bruxelles - B-1180 - Belgium - (02) 201 24 67 - (02) 201 24 68 - - - 10529 - 1997-05-07T00:00:00 - 946.00 - - - 10649 - 1997-08-28T00:00:00 - 1434.00 - - - 10760 - 1997-12-01T00:00:00 - 2917.00 - - - 10892 - 1998-02-17T00:00:00 - 2090.00 - - - 10896 - 1998-02-19T00:00:00 - 750.50 - - - 10978 - 1998-03-26T00:00:00 - 1303.20 - - - 11004 - 1998-04-07T00:00:00 - 295.38 - - - - - MEREP - Mère Paillarde -
43 rue St. Laurent
- Montréal - Québec - H1J 1C3 - Canada - (514) 555-8054 - (514) 555-8055 - - - 10332 - 1996-10-17T00:00:00 - 1786.88 - - - 10339 - 1996-10-28T00:00:00 - 3354.00 - - - 10376 - 1996-12-09T00:00:00 - 399.00 - - - 10424 - 1997-01-23T00:00:00 - 9194.56 - - - 10439 - 1997-02-07T00:00:00 - 1078.00 - - - 10505 - 1997-04-14T00:00:00 - 147.90 - - - 10565 - 1997-06-11T00:00:00 - 639.90 - - - 10570 - 1997-06-17T00:00:00 - 2465.25 - - - 10590 - 1997-07-07T00:00:00 - 1101.00 - - - 10605 - 1997-07-21T00:00:00 - 4109.70 - - - 10618 - 1997-08-01T00:00:00 - 2697.50 - - - 10619 - 1997-08-04T00:00:00 - 1260.00 - - - 10724 - 1997-10-30T00:00:00 - 638.50 - - - - - MORGK - Morgenstern Gesundkost -
Heerstr. 22
- Leipzig - 04179 - Germany - 0342-023176 - - - 10277 - 1996-08-09T00:00:00 - 1200.80 - - - 10575 - 1997-06-20T00:00:00 - 2147.40 - - - 10699 - 1997-10-09T00:00:00 - 114.00 - - - 10779 - 1997-12-16T00:00:00 - 1335.00 - - - 10945 - 1998-03-12T00:00:00 - 245.00 - - - - - NORTS - North/South -
South House, 300 Queensbridge
- London - SW7 1RZ - UK - (171) 555-7733 - (171) 555-2530 - - - 10517 - 1997-04-24T00:00:00 - 352.00 - - - 10752 - 1997-11-24T00:00:00 - 252.00 - - - 11057 - 1998-04-29T00:00:00 - 45.00 - - - - - OCEAN - Océano Atlántico Ltda. -
Ing.Gustavo Moncada 8585, Piso 20-A
- Buenos Aires - 1010 - Argentina - (1) 135-5333 - (1) 135-5535 - - - 10409 - 1997-01-09T00:00:00 - 319.20 - - - 10531 - 1997-05-08T00:00:00 - 110.00 - - - 10898 - 1998-02-20T00:00:00 - 30.00 - - - 10958 - 1998-03-18T00:00:00 - 781.00 - - - 10986 - 1998-03-30T00:00:00 - 2220.00 - - - - - OLDWO - Old World Delicatessen -
2743 Bering St.
- Anchorage - AK - 99508 - USA - (907) 555-7584 - (907) 555-2880 - - - 10260 - 1996-07-19T00:00:00 - 1504.65 - - - 10305 - 1996-09-13T00:00:00 - 3741.30 - - - 10338 - 1996-10-25T00:00:00 - 934.50 - - - 10441 - 1997-02-10T00:00:00 - 1755.00 - - - 10594 - 1997-07-09T00:00:00 - 565.50 - - - 10680 - 1997-09-24T00:00:00 - 1261.88 - - - 10706 - 1997-10-16T00:00:00 - 1893.00 - - - 10855 - 1998-01-27T00:00:00 - 2227.89 - - - 10965 - 1998-03-20T00:00:00 - 848.00 - - - 11034 - 1998-04-20T00:00:00 - 539.40 - - - - - OTTIK - Ottilies Käseladen -
Mehrheimerstr. 369
- Köln - 50739 - Germany - 0221-0644327 - 0221-0765721 - - - 10407 - 1997-01-07T00:00:00 - 1194.00 - - - 10508 - 1997-04-16T00:00:00 - 240.00 - - - 10554 - 1997-05-30T00:00:00 - 1728.52 - - - 10580 - 1997-06-26T00:00:00 - 1013.74 - - - 10684 - 1997-09-26T00:00:00 - 1768.00 - - - 10766 - 1997-12-05T00:00:00 - 2310.00 - - - 10833 - 1998-01-15T00:00:00 - 906.93 - - - 10999 - 1998-04-03T00:00:00 - 1197.95 - - - 11020 - 1998-04-14T00:00:00 - 632.40 - - - - - PARIS - Paris spécialités -
265, boulevard Charonne
- Paris - 75012 - France - (1) 42.34.22.66 - (1) 42.34.22.77 - - - - PERIC - Pericles Comidas clásicas -
Calle Dr.Jorge Cash 321
- México D.F. - 05033 - Mexico - (5) 552-3745 - (5) 545-3745 - - - 10322 - 1996-10-04T00:00:00 - 112.00 - - - 10354 - 1996-11-14T00:00:00 - 568.80 - - - 10474 - 1997-03-13T00:00:00 - 1249.10 - - - 10502 - 1997-04-10T00:00:00 - 816.30 - - - 10995 - 1998-04-02T00:00:00 - 1196.00 - - - 11073 - 1998-05-05T00:00:00 - 300.00 - - - - - PICCO - Piccolo und mehr -
Geislweg 14
- Salzburg - 5020 - Austria - 6562-9722 - 6562-9723 - - - 10353 - 1996-11-13T00:00:00 - 8593.28 - - - 10392 - 1996-12-24T00:00:00 - 1440.00 - - - 10427 - 1997-01-27T00:00:00 - 651.00 - - - 10489 - 1997-03-28T00:00:00 - 439.20 - - - 10530 - 1997-05-08T00:00:00 - 4180.00 - - - 10597 - 1997-07-11T00:00:00 - 718.08 - - - 10686 - 1997-09-30T00:00:00 - 1404.45 - - - 10747 - 1997-11-19T00:00:00 - 1912.85 - - - 10844 - 1998-01-21T00:00:00 - 735.00 - - - 11053 - 1998-04-27T00:00:00 - 3055.00 - - - - - PRINI - Princesa Isabel Vinhos -
Estrada da saúde n. 58
- Lisboa - 1756 - Portugal - (1) 356-5634 - - - 10336 - 1996-10-23T00:00:00 - 285.12 - - - 10397 - 1996-12-27T00:00:00 - 716.72 - - - 10433 - 1997-02-03T00:00:00 - 851.20 - - - 10477 - 1997-03-17T00:00:00 - 558.00 - - - 10808 - 1998-01-01T00:00:00 - 1411.00 - - - 11007 - 1998-04-08T00:00:00 - 2633.90 - - - - - QUEDE - Que Delícia -
Rua da Panificadora, 12
- Rio de Janeiro - RJ - 02389-673 - Brazil - (21) 555-4252 - (21) 555-4545 - - - 10261 - 1996-07-19T00:00:00 - 448.00 - - - 10291 - 1996-08-27T00:00:00 - 497.52 - - - 10379 - 1996-12-11T00:00:00 - 863.28 - - - 10421 - 1997-01-21T00:00:00 - 1194.27 - - - 10587 - 1997-07-02T00:00:00 - 807.38 - - - 10647 - 1997-08-27T00:00:00 - 636.00 - - - 10720 - 1997-10-28T00:00:00 - 550.00 - - - 10794 - 1997-12-24T00:00:00 - 314.76 - - - 10989 - 1998-03-31T00:00:00 - 1353.60 - - - - - QUEEN - Queen Cozinha -
Alameda dos Canàrios, 891
- São Paulo - SP - 05487-020 - Brazil - (11) 555-1189 - - - 10372 - 1996-12-04T00:00:00 - 9210.90 - - - 10406 - 1997-01-07T00:00:00 - 1830.78 - - - 10487 - 1997-03-26T00:00:00 - 889.70 - - - 10637 - 1997-08-19T00:00:00 - 2761.94 - - - 10659 - 1997-09-05T00:00:00 - 1227.02 - - - 10704 - 1997-10-14T00:00:00 - 595.50 - - - 10728 - 1997-11-04T00:00:00 - 1296.75 - - - 10786 - 1997-12-19T00:00:00 - 1531.08 - - - 10868 - 1998-02-04T00:00:00 - 1920.60 - - - 10913 - 1998-02-26T00:00:00 - 768.75 - - - 10914 - 1998-02-27T00:00:00 - 537.50 - - - 10961 - 1998-03-19T00:00:00 - 1119.90 - - - 11068 - 1998-05-04T00:00:00 - 2027.08 - - - - - QUICK - QUICK-Stop -
Taucherstraße 10
- Cunewalde - 01307 - Germany - 0372-035188 - - - 10273 - 1996-08-05T00:00:00 - 2037.28 - - - 10285 - 1996-08-20T00:00:00 - 1743.36 - - - 10286 - 1996-08-21T00:00:00 - 3016.00 - - - 10313 - 1996-09-24T00:00:00 - 182.40 - - - 10345 - 1996-11-04T00:00:00 - 2924.80 - - - 10361 - 1996-11-22T00:00:00 - 2046.24 - - - 10418 - 1997-01-17T00:00:00 - 1814.80 - - - 10451 - 1997-02-19T00:00:00 - 3849.66 - - - 10515 - 1997-04-23T00:00:00 - 9921.30 - - - 10527 - 1997-05-05T00:00:00 - 1503.00 - - - 10540 - 1997-05-19T00:00:00 - 10191.70 - - - 10549 - 1997-05-27T00:00:00 - 3554.28 - - - 10588 - 1997-07-03T00:00:00 - 3120.00 - - - 10658 - 1997-09-05T00:00:00 - 4464.60 - - - 10691 - 1997-10-03T00:00:00 - 10164.80 - - - 10694 - 1997-10-06T00:00:00 - 4825.00 - - - 10721 - 1997-10-29T00:00:00 - 923.88 - - - 10745 - 1997-11-18T00:00:00 - 4529.80 - - - 10765 - 1997-12-04T00:00:00 - 1515.60 - - - 10788 - 1997-12-22T00:00:00 - 731.50 - - - 10845 - 1998-01-21T00:00:00 - 3812.70 - - - 10865 - 1998-02-02T00:00:00 - 16387.50 - - - 10878 - 1998-02-10T00:00:00 - 1539.00 - - - 10938 - 1998-03-10T00:00:00 - 2731.88 - - - 10962 - 1998-03-19T00:00:00 - 3584.00 - - - 10991 - 1998-04-01T00:00:00 - 2296.00 - - - 10996 - 1998-04-02T00:00:00 - 560.00 - - - 11021 - 1998-04-14T00:00:00 - 6306.24 - - - - - RANCH - Rancho grande -
Av.del Libertador 900
- Buenos Aires - 1010 - Argentina - (1) 123-5555 - (1) 123-5556 - - - 10448 - 1997-02-17T00:00:00 - 443.40 - - - 10716 - 1997-10-24T00:00:00 - 706.00 - - - 10828 - 1998-01-13T00:00:00 - 932.00 - - - 10916 - 1998-02-27T00:00:00 - 686.70 - - - 11019 - 1998-04-13T00:00:00 - 76.00 - - - - - RATTC - Rattlesnake Canyon Grocery -
2817 Milton Dr.
- Albuquerque - NM - 87110 - USA - (505) 555-5939 - (505) 555-3620 - - - 10262 - 1996-07-22T00:00:00 - 584.00 - - - 10272 - 1996-08-02T00:00:00 - 1456.00 - - - 10294 - 1996-08-30T00:00:00 - 1887.60 - - - 10314 - 1996-09-25T00:00:00 - 2094.30 - - - 10316 - 1996-09-27T00:00:00 - 2835.00 - - - 10346 - 1996-11-05T00:00:00 - 1618.88 - - - 10401 - 1997-01-01T00:00:00 - 3868.60 - - - 10479 - 1997-03-19T00:00:00 - 10495.60 - - - 10564 - 1997-06-10T00:00:00 - 1234.05 - - - 10569 - 1997-06-16T00:00:00 - 890.00 - - - 10598 - 1997-07-14T00:00:00 - 2388.50 - - - 10761 - 1997-12-02T00:00:00 - 507.00 - - - 10820 - 1998-01-07T00:00:00 - 1140.00 - - - 10852 - 1998-01-26T00:00:00 - 2984.00 - - - 10889 - 1998-02-16T00:00:00 - 11380.00 - - - 10988 - 1998-03-31T00:00:00 - 3574.80 - - - 11000 - 1998-04-06T00:00:00 - 903.75 - - - 11077 - 1998-05-06T00:00:00 - 1255.72 - - - - - REGGC - Reggiani Caseifici -
Strada Provinciale 124
- Reggio Emilia - 42100 - Italy - 0522-556721 - 0522-556722 - - - 10288 - 1996-08-23T00:00:00 - 80.10 - - - 10428 - 1997-01-28T00:00:00 - 192.00 - - - 10443 - 1997-02-12T00:00:00 - 517.44 - - - 10562 - 1997-06-09T00:00:00 - 488.70 - - - 10586 - 1997-07-02T00:00:00 - 23.80 - - - 10655 - 1997-09-03T00:00:00 - 154.40 - - - 10727 - 1997-11-03T00:00:00 - 1624.50 - - - 10812 - 1998-01-02T00:00:00 - 1692.80 - - - 10908 - 1998-02-26T00:00:00 - 663.10 - - - 10942 - 1998-03-11T00:00:00 - 560.00 - - - 11010 - 1998-04-09T00:00:00 - 645.00 - - - 11062 - 1998-04-30T00:00:00 - 406.40 - - - - - RICAR - Ricardo Adocicados -
Av.Copacabana, 267
- Rio de Janeiro - RJ - 02389-890 - Brazil - (21) 555-3412 - - - 10287 - 1996-08-22T00:00:00 - 819.00 - - - 10299 - 1996-09-06T00:00:00 - 349.50 - - - 10447 - 1997-02-14T00:00:00 - 914.40 - - - 10481 - 1997-03-20T00:00:00 - 1472.00 - - - 10563 - 1997-06-10T00:00:00 - 965.00 - - - 10622 - 1997-08-06T00:00:00 - 560.00 - - - 10648 - 1997-08-28T00:00:00 - 372.38 - - - 10813 - 1998-01-05T00:00:00 - 602.40 - - - 10851 - 1998-01-26T00:00:00 - 2603.00 - - - 10877 - 1998-02-09T00:00:00 - 1955.12 - - - 11059 - 1998-04-29T00:00:00 - 1838.00 - - - - - RICSU - Richter Supermarkt -
Grenzacherweg 237
- Genève - 1203 - Switzerland - 0897-034214 - - - 10255 - 1996-07-12T00:00:00 - 2490.50 - - - 10419 - 1997-01-20T00:00:00 - 2097.60 - - - 10537 - 1997-05-14T00:00:00 - 1823.80 - - - 10666 - 1997-09-12T00:00:00 - 4666.94 - - - 10751 - 1997-11-24T00:00:00 - 1631.48 - - - 10758 - 1997-11-28T00:00:00 - 1644.60 - - - 10931 - 1998-03-06T00:00:00 - 799.20 - - - 10951 - 1998-03-16T00:00:00 - 458.76 - - - 11033 - 1998-04-17T00:00:00 - 3232.80 - - - 11075 - 1998-05-06T00:00:00 - 498.10 - - - - - ROMEY - Romero y tomillo -
Gran Vía, 1
- Madrid - 28001 - Spain - (91) 745 6200 - (91) 745 6210 - - - 10281 - 1996-08-14T00:00:00 - 86.50 - - - 10282 - 1996-08-15T00:00:00 - 155.40 - - - 10306 - 1996-09-16T00:00:00 - 498.50 - - - 10917 - 1998-03-02T00:00:00 - 365.89 - - - 11013 - 1998-04-09T00:00:00 - 361.00 - - - - - SANTG - Santé Gourmet -
Erling Skakkes gate 78
- Stavern - 4110 - Norway - 07-98 92 35 - 07-98 92 47 - - - 10387 - 1996-12-18T00:00:00 - 1058.40 - - - 10520 - 1997-04-29T00:00:00 - 200.00 - - - 10639 - 1997-08-20T00:00:00 - 500.00 - - - 10831 - 1998-01-14T00:00:00 - 2684.40 - - - 10909 - 1998-02-26T00:00:00 - 670.00 - - - 11015 - 1998-04-10T00:00:00 - 622.35 - - - - - SAVEA - Save-a-lot Markets -
187 Suffolk Ln.
- Boise - ID - 83720 - USA - (208) 555-8097 - - - 10324 - 1996-10-08T00:00:00 - 5275.72 - - - 10393 - 1996-12-25T00:00:00 - 2556.95 - - - 10398 - 1996-12-30T00:00:00 - 2505.60 - - - 10440 - 1997-02-10T00:00:00 - 4924.14 - - - 10452 - 1997-02-20T00:00:00 - 2018.50 - - - 10510 - 1997-04-18T00:00:00 - 4707.54 - - - 10555 - 1997-06-02T00:00:00 - 2944.40 - - - 10603 - 1997-07-18T00:00:00 - 1483.00 - - - 10607 - 1997-07-22T00:00:00 - 6475.40 - - - 10612 - 1997-07-28T00:00:00 - 6375.00 - - - 10627 - 1997-08-11T00:00:00 - 1185.75 - - - 10657 - 1997-09-04T00:00:00 - 4371.60 - - - 10678 - 1997-09-23T00:00:00 - 5256.50 - - - 10700 - 1997-10-10T00:00:00 - 1638.40 - - - 10711 - 1997-10-21T00:00:00 - 4451.70 - - - 10713 - 1997-10-22T00:00:00 - 2827.90 - - - 10714 - 1997-10-22T00:00:00 - 2205.75 - - - 10722 - 1997-10-29T00:00:00 - 1570.00 - - - 10748 - 1997-11-20T00:00:00 - 2196.00 - - - 10757 - 1997-11-27T00:00:00 - 3082.00 - - - 10815 - 1998-01-05T00:00:00 - 40.00 - - - 10847 - 1998-01-22T00:00:00 - 4931.92 - - - 10882 - 1998-02-11T00:00:00 - 892.64 - - - 10894 - 1998-02-18T00:00:00 - 2753.10 - - - 10941 - 1998-03-11T00:00:00 - 4011.75 - - - 10983 - 1998-03-27T00:00:00 - 720.90 - - - 10984 - 1998-03-30T00:00:00 - 1809.75 - - - 11002 - 1998-04-06T00:00:00 - 1811.10 - - - 11030 - 1998-04-17T00:00:00 - 12615.05 - - - 11031 - 1998-04-17T00:00:00 - 2393.50 - - - 11064 - 1998-05-01T00:00:00 - 4330.40 - - - - - SEVES - Seven Seas Imports -
90 Wadhurst Rd.
- London - OX15 4NB - UK - (171) 555-1717 - (171) 555-5646 - - - 10359 - 1996-11-21T00:00:00 - 3471.68 - - - 10377 - 1996-12-09T00:00:00 - 863.60 - - - 10388 - 1996-12-19T00:00:00 - 1228.80 - - - 10472 - 1997-03-12T00:00:00 - 1036.80 - - - 10523 - 1997-05-01T00:00:00 - 2444.31 - - - 10547 - 1997-05-23T00:00:00 - 1792.80 - - - 10800 - 1997-12-26T00:00:00 - 1468.94 - - - 10804 - 1997-12-30T00:00:00 - 2278.40 - - - 10869 - 1998-02-04T00:00:00 - 1630.00 - - - - - SIMOB - Simons bistro -
Vinbæltet 34
- København - 1734 - Denmark - 31 12 34 56 - 31 13 35 57 - - - 10341 - 1996-10-29T00:00:00 - 352.60 - - - 10417 - 1997-01-16T00:00:00 - 11188.40 - - - 10556 - 1997-06-03T00:00:00 - 835.20 - - - 10642 - 1997-08-22T00:00:00 - 696.00 - - - 10669 - 1997-09-15T00:00:00 - 570.00 - - - 10802 - 1997-12-29T00:00:00 - 2942.81 - - - 11074 - 1998-05-06T00:00:00 - 232.08 - - - - - SPECD - Spécialités du monde -
25, rue Lauriston
- Paris - 75016 - France - (1) 47.55.60.10 - (1) 47.55.60.20 - - - 10738 - 1997-11-12T00:00:00 - 52.35 - - - 10907 - 1998-02-25T00:00:00 - 108.50 - - - 10964 - 1998-03-20T00:00:00 - 2052.50 - - - 11043 - 1998-04-22T00:00:00 - 210.00 - - - - - SPLIR - Split Rail Beer & Ale -
P.O.Box 555
- Lander - WY - 82520 - USA - (307) 555-4680 - (307) 555-6525 - - - 10271 - 1996-08-01T00:00:00 - 48.00 - - - 10329 - 1996-10-15T00:00:00 - 4578.43 - - - 10349 - 1996-11-08T00:00:00 - 141.60 - - - 10369 - 1996-12-02T00:00:00 - 2390.40 - - - 10385 - 1996-12-17T00:00:00 - 691.20 - - - 10432 - 1997-01-31T00:00:00 - 485.00 - - - 10756 - 1997-11-27T00:00:00 - 1990.00 - - - 10821 - 1998-01-08T00:00:00 - 678.00 - - - 10974 - 1998-03-25T00:00:00 - 439.00 - - - - - SUPRD - Suprêmes délices -
Boulevard Tirou, 255
- Charleroi - B-6000 - Belgium - (071) 23 67 22 20 - (071) 23 67 22 21 - - - 10252 - 1996-07-09T00:00:00 - 3597.90 - - - 10302 - 1996-09-10T00:00:00 - 2708.80 - - - 10458 - 1997-02-26T00:00:00 - 3891.00 - - - 10463 - 1997-03-04T00:00:00 - 713.30 - - - 10475 - 1997-03-14T00:00:00 - 1505.18 - - - 10767 - 1997-12-05T00:00:00 - 28.00 - - - 10841 - 1998-01-20T00:00:00 - 4581.00 - - - 10846 - 1998-01-22T00:00:00 - 1112.00 - - - 10885 - 1998-02-12T00:00:00 - 1209.00 - - - 10930 - 1998-03-06T00:00:00 - 2255.50 - - - 11035 - 1998-04-20T00:00:00 - 1754.50 - - - 11038 - 1998-04-21T00:00:00 - 732.60 - - - - - THEBI - The Big Cheese -
89 Jefferson Way, Suite 2
- Portland - OR - 97201 - USA - (503) 555-3612 - - - 10310 - 1996-09-20T00:00:00 - 336.00 - - - 10708 - 1997-10-17T00:00:00 - 180.40 - - - 10805 - 1997-12-30T00:00:00 - 2775.00 - - - 10992 - 1998-04-01T00:00:00 - 69.60 - - - - - THECR - The Cracker Box -
55 Grizzly Peak Rd.
- Butte - MT - 59801 - USA - (406) 555-5834 - (406) 555-8083 - - - 10624 - 1997-08-07T00:00:00 - 1393.24 - - - 10775 - 1997-12-12T00:00:00 - 228.00 - - - 11003 - 1998-04-06T00:00:00 - 326.00 - - - - - TOMSP - Toms Spezialitäten -
Luisenstr. 48
- Münster - 44087 - Germany - 0251-031259 - 0251-035695 - - - 10438 - 1997-02-06T00:00:00 - 454.00 - - - 10446 - 1997-02-14T00:00:00 - 246.24 - - - 10548 - 1997-05-26T00:00:00 - 240.10 - - - 10608 - 1997-07-23T00:00:00 - 1064.00 - - - 10967 - 1998-03-23T00:00:00 - 910.40 - - - - - TORTU - Tortuga Restaurante -
Avda.Azteca 123
- México D.F. - 05033 - Mexico - (5) 555-2933 - - - 10276 - 1996-08-08T00:00:00 - 420.00 - - - 10293 - 1996-08-29T00:00:00 - 848.70 - - - 10304 - 1996-09-12T00:00:00 - 954.40 - - - 10319 - 1996-10-02T00:00:00 - 1191.20 - - - 10518 - 1997-04-25T00:00:00 - 4150.05 - - - 10576 - 1997-06-23T00:00:00 - 838.45 - - - 10676 - 1997-09-22T00:00:00 - 534.85 - - - 10842 - 1998-01-20T00:00:00 - 975.00 - - - 10915 - 1998-02-27T00:00:00 - 539.50 - - - 11069 - 1998-05-04T00:00:00 - 360.00 - - - - - TRADH - Tradição Hipermercados -
Av.Inês de Castro, 414
- São Paulo - SP - 05634-030 - Brazil - (11) 555-2167 - (11) 555-2168 - - - 10249 - 1996-07-05T00:00:00 - 1863.40 - - - 10292 - 1996-08-28T00:00:00 - 1296.00 - - - 10496 - 1997-04-04T00:00:00 - 190.00 - - - 10606 - 1997-07-22T00:00:00 - 1130.40 - - - 10830 - 1998-01-13T00:00:00 - 1974.00 - - - 10834 - 1998-01-15T00:00:00 - 1432.71 - - - 10839 - 1998-01-19T00:00:00 - 827.55 - - - - - TRAIH - Trail's Head Gourmet Provisioners -
722 DaVinci Blvd.
- Kirkland - WA - 98034 - USA - (206) 555-8257 - (206) 555-2174 - - - 10574 - 1997-06-19T00:00:00 - 764.30 - - - 10577 - 1997-06-23T00:00:00 - 569.00 - - - 10822 - 1998-01-08T00:00:00 - 237.90 - - - - - VAFFE - Vaffeljernet -
Smagsløget 45
- Århus - 8200 - Denmark - 86 21 32 43 - 86 22 33 44 - - - 10367 - 1996-11-28T00:00:00 - 834.20 - - - 10399 - 1996-12-31T00:00:00 - 1765.60 - - - 10465 - 1997-03-05T00:00:00 - 2518.00 - - - 10591 - 1997-07-07T00:00:00 - 812.50 - - - 10602 - 1997-07-17T00:00:00 - 48.75 - - - 10688 - 1997-10-01T00:00:00 - 3160.60 - - - 10744 - 1997-11-17T00:00:00 - 736.00 - - - 10769 - 1997-12-08T00:00:00 - 1684.28 - - - 10921 - 1998-03-03T00:00:00 - 1936.00 - - - 10946 - 1998-03-12T00:00:00 - 1407.50 - - - 10994 - 1998-04-02T00:00:00 - 940.50 - - - - - VICTE - Victuailles en stock -
2, rue du Commerce
- Lyon - 69004 - France - 78.32.54.86 - 78.32.54.87 - - - 10251 - 1996-07-08T00:00:00 - 654.06 - - - 10334 - 1996-10-21T00:00:00 - 144.80 - - - 10450 - 1997-02-19T00:00:00 - 425.12 - - - 10459 - 1997-02-27T00:00:00 - 1659.20 - - - 10478 - 1997-03-18T00:00:00 - 471.20 - - - 10546 - 1997-05-23T00:00:00 - 2812.00 - - - 10806 - 1997-12-31T00:00:00 - 439.60 - - - 10814 - 1998-01-05T00:00:00 - 1788.45 - - - 10843 - 1998-01-21T00:00:00 - 159.00 - - - 10850 - 1998-01-23T00:00:00 - 629.00 - - - - - VINET - Vins et alcools Chevalier -
59 rue de l'Abbaye
- Reims - 51100 - France - 26.47.15.10 - 26.47.15.11 - - - 10274 - 1996-08-06T00:00:00 - 538.60 - - - 10295 - 1996-09-02T00:00:00 - 121.60 - - - 10737 - 1997-11-11T00:00:00 - 139.80 - - - 10739 - 1997-11-12T00:00:00 - 240.00 - - - - - WANDK - Die Wandernde Kuh -
Adenauerallee 900
- Stuttgart - 70563 - Germany - 0711-020361 - 0711-035428 - - - 10301 - 1996-09-09T00:00:00 - 755.00 - - - 10312 - 1996-09-23T00:00:00 - 1614.80 - - - 10348 - 1996-11-07T00:00:00 - 363.60 - - - 10356 - 1996-11-18T00:00:00 - 1106.40 - - - 10513 - 1997-04-22T00:00:00 - 1942.00 - - - 10632 - 1997-08-14T00:00:00 - 589.00 - - - 10640 - 1997-08-21T00:00:00 - 708.75 - - - 10651 - 1997-09-01T00:00:00 - 397.80 - - - 10668 - 1997-09-15T00:00:00 - 625.28 - - - 11046 - 1998-04-23T00:00:00 - 1485.80 - - - - - WARTH - Wartian Herkku -
Torikatu 38
- Oulu - 90110 - Finland - 981-443655 - 981-443655 - - - 10266 - 1996-07-26T00:00:00 - 346.56 - - - 10270 - 1996-08-01T00:00:00 - 1376.00 - - - 10320 - 1996-10-03T00:00:00 - 516.00 - - - 10333 - 1996-10-18T00:00:00 - 877.20 - - - 10412 - 1997-01-13T00:00:00 - 334.80 - - - 10416 - 1997-01-16T00:00:00 - 720.00 - - - 10437 - 1997-02-05T00:00:00 - 393.00 - - - 10455 - 1997-02-24T00:00:00 - 2684.00 - - - 10526 - 1997-05-05T00:00:00 - 1151.40 - - - 10553 - 1997-05-30T00:00:00 - 1546.30 - - - 10583 - 1997-06-30T00:00:00 - 2237.50 - - - 10636 - 1997-08-19T00:00:00 - 629.50 - - - 10750 - 1997-11-21T00:00:00 - 1590.56 - - - 10781 - 1997-12-17T00:00:00 - 975.88 - - - 11025 - 1998-04-15T00:00:00 - 270.00 - - - - - WELLI - Wellington Importadora -
Rua do Mercado, 12
- Resende - SP - 08737-363 - Brazil - (14) 555-8122 - - - 10256 - 1996-07-15T00:00:00 - 517.80 - - - 10420 - 1997-01-21T00:00:00 - 1707.84 - - - 10585 - 1997-07-01T00:00:00 - 142.50 - - - 10644 - 1997-08-25T00:00:00 - 1371.80 - - - 10803 - 1997-12-30T00:00:00 - 1193.01 - - - 10809 - 1998-01-01T00:00:00 - 140.00 - - - 10900 - 1998-02-20T00:00:00 - 33.75 - - - 10905 - 1998-02-24T00:00:00 - 342.00 - - - 10935 - 1998-03-09T00:00:00 - 619.50 - - - - - WHITC - White Clover Markets -
305 - 14th Ave.S.Suite 3B
- Seattle - WA - 98128 - USA - (206) 555-4112 - (206) 555-4115 - - - 10269 - 1996-07-31T00:00:00 - 642.20 - - - 10344 - 1996-11-01T00:00:00 - 2296.00 - - - 10469 - 1997-03-10T00:00:00 - 956.68 - - - 10483 - 1997-03-24T00:00:00 - 668.80 - - - 10504 - 1997-04-11T00:00:00 - 1388.50 - - - 10596 - 1997-07-11T00:00:00 - 1180.88 - - - 10693 - 1997-10-06T00:00:00 - 2071.20 - - - 10696 - 1997-10-08T00:00:00 - 996.00 - - - 10723 - 1997-10-30T00:00:00 - 468.45 - - - 10740 - 1997-11-13T00:00:00 - 1416.00 - - - 10861 - 1998-01-30T00:00:00 - 3523.40 - - - 10904 - 1998-02-24T00:00:00 - 1924.25 - - - 11032 - 1998-04-17T00:00:00 - 8902.50 - - - 11066 - 1998-05-01T00:00:00 - 928.75 - - - - - WILMK - Wilman Kala -
Keskuskatu 45
- Helsinki - 21240 - Finland - 90-224 8858 - 90-224 8858 - - - 10248 - 1996-07-04T00:00:00 - 440.00 - - - 10615 - 1997-07-30T00:00:00 - 120.00 - - - 10673 - 1997-09-18T00:00:00 - 412.35 - - - 10695 - 1997-10-07T00:00:00 - 642.00 - - - 10873 - 1998-02-06T00:00:00 - 336.80 - - - 10879 - 1998-02-10T00:00:00 - 611.30 - - - 10910 - 1998-02-26T00:00:00 - 452.90 - - - 11005 - 1998-04-07T00:00:00 - 586.00 - - - - - WOLZA - Wolski Zajazd -
ul.Filtrowa 68
- Warszawa - 01-012 - Poland - (26) 642-7012 - (26) 642-7012 - - - 10374 - 1996-12-05T00:00:00 - 459.00 - - - 10611 - 1997-07-25T00:00:00 - 808.00 - - - 10792 - 1997-12-23T00:00:00 - 399.85 - - - 10870 - 1998-02-04T00:00:00 - 160.00 - - - 10906 - 1998-02-25T00:00:00 - 427.50 - - - 10998 - 1998-04-03T00:00:00 - 686.00 - - - 11044 - 1998-04-23T00:00:00 - 591.60 - - - -"; - #endregion - - private List productList = - new List { - new Product { ProductID = 1, ProductName = "Chai", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 39 }, - new Product { ProductID = 2, ProductName = "Chang", Category = "Beverages", UnitPrice = 19.0000M, UnitsInStock = 17 }, - new Product { ProductID = 3, ProductName = "Aniseed Syrup", Category = "Condiments", UnitPrice = 10.0000M, UnitsInStock = 13 }, - new Product { ProductID = 4, ProductName = "Chef Anton's Cajun Seasoning", Category = "Condiments", UnitPrice = 22.0000M, UnitsInStock = 53 }, - new Product { ProductID = 5, ProductName = "Chef Anton's Gumbo Mix", Category = "Condiments", UnitPrice = 21.3500M, UnitsInStock = 0 }, - new Product { ProductID = 6, ProductName = "Grandma's Boysenberry Spread", Category = "Condiments", UnitPrice = 25.0000M, UnitsInStock = 120 }, - new Product { ProductID = 7, ProductName = "Uncle Bob's Organic Dried Pears", Category = "Produce", UnitPrice = 30.0000M, UnitsInStock = 15 }, - new Product { ProductID = 8, ProductName = "Northwoods Cranberry Sauce", Category = "Condiments", UnitPrice = 40.0000M, UnitsInStock = 6 }, - new Product { ProductID = 9, ProductName = "Mishi Kobe Niku", Category = "Meat/Poultry", UnitPrice = 97.0000M, UnitsInStock = 29 }, - new Product { ProductID = 10, ProductName = "Ikura", Category = "Seafood", UnitPrice = 31.0000M, UnitsInStock = 31 }, - new Product { ProductID = 11, ProductName = "Queso Cabrales", Category = "Dairy Products", UnitPrice = 21.0000M, UnitsInStock = 22 }, - new Product { ProductID = 12, ProductName = "Queso Manchego La Pastora", Category = "Dairy Products", UnitPrice = 38.0000M, UnitsInStock = 86 }, - new Product { ProductID = 13, ProductName = "Konbu", Category = "Seafood", UnitPrice = 6.0000M, UnitsInStock = 24 }, - new Product { ProductID = 14, ProductName = "Tofu", Category = "Produce", UnitPrice = 23.2500M, UnitsInStock = 35 }, - new Product { ProductID = 15, ProductName = "Genen Shouyu", Category = "Condiments", UnitPrice = 15.5000M, UnitsInStock = 39 }, - new Product { ProductID = 16, ProductName = "Pavlova", Category = "Confections", UnitPrice = 17.4500M, UnitsInStock = 29 }, - new Product { ProductID = 17, ProductName = "Alice Mutton", Category = "Meat/Poultry", UnitPrice = 39.0000M, UnitsInStock = 0 }, - new Product { ProductID = 18, ProductName = "Carnarvon Tigers", Category = "Seafood", UnitPrice = 62.5000M, UnitsInStock = 42 }, - new Product { ProductID = 19, ProductName = "Teatime Chocolate Biscuits", Category = "Confections", UnitPrice = 9.2000M, UnitsInStock = 25 }, - new Product { ProductID = 20, ProductName = "Sir Rodney's Marmalade", Category = "Confections", UnitPrice = 81.0000M, UnitsInStock = 40 }, - new Product { ProductID = 21, ProductName = "Sir Rodney's Scones", Category = "Confections", UnitPrice = 10.0000M, UnitsInStock = 3 }, - new Product { ProductID = 22, ProductName = "Gustaf's Knäckebröd", Category = "Grains/Cereals", UnitPrice = 21.0000M, UnitsInStock = 104 }, - new Product { ProductID = 23, ProductName = "Tunnbröd", Category = "Grains/Cereals", UnitPrice = 9.0000M, UnitsInStock = 61 }, - new Product { ProductID = 24, ProductName = "Guaraná Fantástica", Category = "Beverages", UnitPrice = 4.5000M, UnitsInStock = 20 }, - new Product { ProductID = 25, ProductName = "NuNuCa Nuß-Nougat-Creme", Category = "Confections", UnitPrice = 14.0000M, UnitsInStock = 76 }, - new Product { ProductID = 26, ProductName = "Gumbär Gummibärchen", Category = "Confections", UnitPrice = 31.2300M, UnitsInStock = 15 }, - new Product { ProductID = 27, ProductName = "Schoggi Schokolade", Category = "Confections", UnitPrice = 43.9000M, UnitsInStock = 49 }, - new Product { ProductID = 28, ProductName = "Rössle Sauerkraut", Category = "Produce", UnitPrice = 45.6000M, UnitsInStock = 26 }, - new Product { ProductID = 29, ProductName = "Thüringer Rostbratwurst", Category = "Meat/Poultry", UnitPrice = 123.7900M, UnitsInStock = 0 }, - new Product { ProductID = 30, ProductName = "Nord-Ost Matjeshering", Category = "Seafood", UnitPrice = 25.8900M, UnitsInStock = 10 }, - new Product { ProductID = 31, ProductName = "Gorgonzola Telino", Category = "Dairy Products", UnitPrice = 12.5000M, UnitsInStock = 0 }, - new Product { ProductID = 32, ProductName = "Mascarpone Fabioli", Category = "Dairy Products", UnitPrice = 32.0000M, UnitsInStock = 9 }, - new Product { ProductID = 33, ProductName = "Geitost", Category = "Dairy Products", UnitPrice = 2.5000M, UnitsInStock = 112 }, - new Product { ProductID = 34, ProductName = "Sasquatch Ale", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 111 }, - new Product { ProductID = 35, ProductName = "Steeleye Stout", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 20 }, - new Product { ProductID = 36, ProductName = "Inlagd Sill", Category = "Seafood", UnitPrice = 19.0000M, UnitsInStock = 112 }, - new Product { ProductID = 37, ProductName = "Gravad lax", Category = "Seafood", UnitPrice = 26.0000M, UnitsInStock = 11 }, - new Product { ProductID = 38, ProductName = "Côte de Blaye", Category = "Beverages", UnitPrice = 263.5000M, UnitsInStock = 17 }, - new Product { ProductID = 39, ProductName = "Chartreuse verte", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 69 }, - new Product { ProductID = 40, ProductName = "Boston Crab Meat", Category = "Seafood", UnitPrice = 18.4000M, UnitsInStock = 123 }, - new Product { ProductID = 41, ProductName = "Jack's New England Clam Chowder", Category = "Seafood", UnitPrice = 9.6500M, UnitsInStock = 85 }, - new Product { ProductID = 42, ProductName = "Singaporean Hokkien Fried Mee", Category = "Grains/Cereals", UnitPrice = 14.0000M, UnitsInStock = 26 }, - new Product { ProductID = 43, ProductName = "Ipoh Coffee", Category = "Beverages", UnitPrice = 46.0000M, UnitsInStock = 17 }, - new Product { ProductID = 44, ProductName = "Gula Malacca", Category = "Condiments", UnitPrice = 19.4500M, UnitsInStock = 27 }, - new Product { ProductID = 45, ProductName = "Rogede sild", Category = "Seafood", UnitPrice = 9.5000M, UnitsInStock = 5 }, - new Product { ProductID = 46, ProductName = "Spegesild", Category = "Seafood", UnitPrice = 12.0000M, UnitsInStock = 95 }, - new Product { ProductID = 47, ProductName = "Zaanse koeken", Category = "Confections", UnitPrice = 9.5000M, UnitsInStock = 36 }, - new Product { ProductID = 48, ProductName = "Chocolade", Category = "Confections", UnitPrice = 12.7500M, UnitsInStock = 15 }, - new Product { ProductID = 49, ProductName = "Maxilaku", Category = "Confections", UnitPrice = 20.0000M, UnitsInStock = 10 }, - new Product { ProductID = 50, ProductName = "Valkoinen suklaa", Category = "Confections", UnitPrice = 16.2500M, UnitsInStock = 65 }, - new Product { ProductID = 51, ProductName = "Manjimup Dried Apples", Category = "Produce", UnitPrice = 53.0000M, UnitsInStock = 20 }, - new Product { ProductID = 52, ProductName = "Filo Mix", Category = "Grains/Cereals", UnitPrice = 7.0000M, UnitsInStock = 38 }, - new Product { ProductID = 53, ProductName = "Perth Pasties", Category = "Meat/Poultry", UnitPrice = 32.8000M, UnitsInStock = 0 }, - new Product { ProductID = 54, ProductName = "Tourtière", Category = "Meat/Poultry", UnitPrice = 7.4500M, UnitsInStock = 21 }, - new Product { ProductID = 55, ProductName = "Pâté chinois", Category = "Meat/Poultry", UnitPrice = 24.0000M, UnitsInStock = 115 }, - new Product { ProductID = 56, ProductName = "Gnocchi di nonna Alice", Category = "Grains/Cereals", UnitPrice = 38.0000M, UnitsInStock = 21 }, - new Product { ProductID = 57, ProductName = "Ravioli Angelo", Category = "Grains/Cereals", UnitPrice = 19.5000M, UnitsInStock = 36 }, - new Product { ProductID = 58, ProductName = "Escargots de Bourgogne", Category = "Seafood", UnitPrice = 13.2500M, UnitsInStock = 62 }, - new Product { ProductID = 59, ProductName = "Raclette Courdavault", Category = "Dairy Products", UnitPrice = 55.0000M, UnitsInStock = 79 }, - new Product { ProductID = 60, ProductName = "Camembert Pierrot", Category = "Dairy Products", UnitPrice = 34.0000M, UnitsInStock = 19 }, - new Product { ProductID = 61, ProductName = "Sirop d'érable", Category = "Condiments", UnitPrice = 28.5000M, UnitsInStock = 113 }, - new Product { ProductID = 62, ProductName = "Tarte au sucre", Category = "Confections", UnitPrice = 49.3000M, UnitsInStock = 17 }, - new Product { ProductID = 63, ProductName = "Vegie-spread", Category = "Condiments", UnitPrice = 43.9000M, UnitsInStock = 24 }, - new Product { ProductID = 64, ProductName = "Wimmers gute Semmelknödel", Category = "Grains/Cereals", UnitPrice = 33.2500M, UnitsInStock = 22 }, - new Product { ProductID = 65, ProductName = "Louisiana Fiery Hot Pepper Sauce", Category = "Condiments", UnitPrice = 21.0500M, UnitsInStock = 76 }, - new Product { ProductID = 66, ProductName = "Louisiana Hot Spiced Okra", Category = "Condiments", UnitPrice = 17.0000M, UnitsInStock = 4 }, - new Product { ProductID = 67, ProductName = "Laughing Lumberjack Lager", Category = "Beverages", UnitPrice = 14.0000M, UnitsInStock = 52 }, - new Product { ProductID = 68, ProductName = "Scottish Longbreads", Category = "Confections", UnitPrice = 12.5000M, UnitsInStock = 6 }, - new Product { ProductID = 69, ProductName = "Gudbrandsdalsost", Category = "Dairy Products", UnitPrice = 36.0000M, UnitsInStock = 26 }, - new Product { ProductID = 70, ProductName = "Outback Lager", Category = "Beverages", UnitPrice = 15.0000M, UnitsInStock = 15 }, - new Product { ProductID = 71, ProductName = "Flotemysost", Category = "Dairy Products", UnitPrice = 21.5000M, UnitsInStock = 26 }, - new Product { ProductID = 72, ProductName = "Mozzarella di Giovanni", Category = "Dairy Products", UnitPrice = 34.8000M, UnitsInStock = 14 }, - new Product { ProductID = 73, ProductName = "Röd Kaviar", Category = "Seafood", UnitPrice = 15.0000M, UnitsInStock = 101 }, - new Product { ProductID = 74, ProductName = "Longlife Tofu", Category = "Produce", UnitPrice = 10.0000M, UnitsInStock = 4 }, - new Product { ProductID = 75, ProductName = "Rhönbräu Klosterbier", Category = "Beverages", UnitPrice = 7.7500M, UnitsInStock = 125 }, - new Product { ProductID = 76, ProductName = "Lakkalikööri", Category = "Beverages", UnitPrice = 18.0000M, UnitsInStock = 57 }, - new Product { ProductID = 77, ProductName = "Original Frankfurter grüne Soße", Category = "Condiments", UnitPrice = 13.0000M, UnitsInStock = 32 } - }; - - // TODO: Change to load from string stream: - private List customerList = (from e in XDocument.Parse(customers_xml). - Root.Elements("customer") - select new Customer - { - CustomerID = (string)e.Element("id"), - CompanyName = (string)e.Element("name"), - Address = (string)e.Element("address"), - City = (string)e.Element("city"), - Region = (string)e.Element("region"), - PostalCode = (string)e.Element("postalcode"), - Country = (string)e.Element("country"), - Phone = (string)e.Element("phone"), - Fax = (string)e.Element("fax"), - Orders = ( - from o in e.Elements("orders").Elements("order") - select new Order - { - OrderID = (int)o.Element("id"), - OrderDate = (DateTime)o.Element("orderdate"), - Total = (decimal)o.Element("total") - }) - .ToArray() - }) - .ToList(); - - - public List GetProductList() => productList; - - public List GetCustomerList() => customerList; - - public Restrictions() - { - } + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; public int LowNumbers() { From 9011e2a52b58e98b5454258350edf21cf8e571d8 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 29 Aug 2019 17:09:43 -0400 Subject: [PATCH 04/23] Add the projection samples This commit includes the second set of samples. --- 101-linq-samples/docs/projections.md | 127 ++++++++ 101-linq-samples/docs/restrictions.md | 2 + 101-linq-samples/readme.md | 17 ++ 101-linq-samples/src/Program.cs | 38 +++ 101-linq-samples/src/Projections.cs | 282 ++++++++++++++++++ .../src/Utilities/ObjectDumper.cs | 178 +++++++++++ 6 files changed, 644 insertions(+) create mode 100644 101-linq-samples/docs/projections.md create mode 100644 101-linq-samples/src/Projections.cs create mode 100644 101-linq-samples/src/Utilities/ObjectDumper.cs diff --git a/101-linq-samples/docs/projections.md b/101-linq-samples/docs/projections.md new file mode 100644 index 0000000..b9be95f --- /dev/null +++ b/101-linq-samples/docs/projections.md @@ -0,0 +1,127 @@ +# LINQ - Projection Operators + +The `select` clause of a LINQ query *projects* the output sequence. It transforms each input element into the shape of the output sequence + +## Select clause syntax + +This sample uses select to produce a sequence of ints one higher than those in an existing array of ints. It demonstrates how select can modify the input sequence. + +``` cs --region select-syntax --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Select a single property + +This sample uses select to return a sequence of just the names of a list of products. + +``` cs --region select-property --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Transform with select + +This sample uses select to produce a sequence of strings representing the text version of a sequence of ints. + +``` cs --region select-transform --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +***Start Page 2 here*** + +## Select anonymous types or tuples + +This sample uses select to produce a sequence of the uppercase and lowercase versions of each word in the original array. The items in the output sequence are *anonymous types*. That means the compiler generates a class for them with the relevant properties, but that type has a name known only to the compiler. + +``` cs --region select-case-anonymous --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +Beginning with C# 7, you can also project to *tuples*, using the following syntax. The items in the output sequence are instances of `System.ValueTuple`. The compiler adds metadata to provide meaningful member names. + +``` cs --region select-case-tuple --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Use select to create new types + +This sample uses select to produce a sequence containing text representations of digits and whether their length is even or odd. + +``` cs --region select-new-type --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +You can choose to create either *anonymous types* or *tuples* in these projections, as shown below: + +``` cs --region select-new-type-tuple --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +You'll likely see many samples in documentation and articles using anonymous types, because those have been available since C# 3.0. However, the new *tuples* projections have some advantages that you can read about on [Microsoft Docs](https://docs.microsoft.com/dotnet/csharp/tuples). All upcoming samples will use the tuples syntax. However, anonymous types also work. + +## Select a subset of properties + +This sample uses select to produce a sequence containing some properties of Products, including UnitPrice which is renamed to Price in the resulting type. + +``` cs --region select-subset-properties --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +***Start Page 3 here*** + +## Select with index of item + +This sample uses an indexed Select clause to determine if the value of ints in an array match their position in the array. + +``` cs --region select-with-index --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Select combined with where + +This sample combines select and where to make a simple query that returns the text form of each digit less than 5. + +``` cs --region select-with-where --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +***Start Page 4 here*** + +## Select from multiple input sequences + +This sample uses a compound `from` clause to make a query that returns all pairs of numbers from both arrays such that the number from `numbersA` is less than the number from `numbersB`. + +``` cs --region select-many-syntax --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Select from related input sequences + +This sample uses a comThis sample uses a compound from clause to select all orders where the order total is less than 500.00. + +``` cs --region select-many-drilldown --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compound select with where clause + +This sample uses a compound from clause to select all orders where the order was made in 1998 or later. + +``` cs --region select-many-filter --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +***Start Page 5 here*** + +## Compound select with where and assignment + +This sample uses a compound from clause to select all orders where the order total is greater than 2000.00 and uses from assignment to avoid requesting the total twice. + + +``` cs --region select-many-assignment --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compound select with multiple where clauses + +This sample uses multiple from clauses so that filtering on customers can be done before selecting their orders. This makes the query more efficient by not selecting and then discarding orders for customers outside of Washington. + +``` cs --region multiple-where-clauses --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compound select with index + +This sample uses an indexed SelectMany clause to select all orders, while referring to customers by the order in which they are returned from the query. + +``` cs --region indexed-select-many --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + + +**Next: [Projection operators »](./projections.md) Previous: [Restrictions «](./restrictions.md)** + +**[Home](../README.md)** \ No newline at end of file diff --git a/101-linq-samples/docs/restrictions.md b/101-linq-samples/docs/restrictions.md index 199725e..472b20e 100644 --- a/101-linq-samples/docs/restrictions.md +++ b/101-linq-samples/docs/restrictions.md @@ -38,3 +38,5 @@ This sample demonstrates an indexed Where clause that returns digits whose name ``` Notice that this final example shows the `Where` method rather than the `where` clause. The two forms are equivalent. + +**Next: [Projection operators »](./projections.md) Previous: [Home «](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 01a7db7..0d43740 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -20,3 +20,20 @@ These operators restrict, or filter, the input sequence to produce an output seq - [Where clause with multiple conditions](docs/restrictions.md#restrict-elements-based-on-multiple-conditions) - [Where clause drilldown into results](docs/restrictions.md#drilldown-into-output-elements) - [Where clause with element index](docs/restrictions.md#using-the-indexed-where-method) + +### [Projection operators](docs/projections.md) + +- [Select clause syntax](docs/projections.md#select-clause-syntax) +- [Select a single property](docs/projections.md#select-a-single-property) +- [Transform types with select](docs/projections.md#transform-with-select) +- [Select a new type](docs/projections.md#select-anonymous-types-or-tuples) +- [Create new types with select](docs/projections.md#use-select-to-create-new-types) +- [Select a subset of properties](docs/projections.md#select-a-subset-of-properties) +- [Select including the index of source item](docs/projections.md#select-with-index-of-item) +- [Combine select and where](docs/projections.md#select-combined-with-where) +- [Select from multiple sequences](docs/projections.md#select-from-multiple-input-sequences) +- [Select from related input sequences](docs/projections.md#select-from-related-input-sequences) +- [Select multiple sequences with where](docs/projections.md#compound-select-with-where-clause) +- [Select many with assignment](docs/projections.md#compound-select-with-where-and-assignment) +- [Select many with multiple filters](docs/projections.md#compound-select-with-multiple-where-clauses) +- [Select many with element index](docs/projections.md#compound-select-with-index) diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 4b11701..6085678 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -24,6 +24,24 @@ static int Main( "where-multiple-properties" => new Restrictions().ExpensiveProductsInStock(), "where-drilldown" => new Restrictions().DisplayCustomerOrders(), "where-indexed" => new Restrictions().IndexedWhere(), + + "select-syntax" => new Projections().SelectSyntax(), + "select-property" => new Projections().SelectProperty(), + "select-transform" => new Projections().TransformWithSelect(), + "select-case-anonymous" => new Projections().SelectByCaseAnonymous(), + "select-case-tuple" => new Projections().SelectByCaseTuple(), + "select-new-type" => new Projections().SelectAnonymousConstructions(), + "select-new-type-tuple" => new Projections().SelectTupleConstructions(), + "select-subset-properties" => new Projections().SelectPropertySubset(), + "select-with-index" => new Projections().SelectWithIndex(), + "select-with-where" => new Projections().SelectWithWhere(), + "select-many-syntax" => new Projections().SelectFromMultipleSequences(), + "select-many-drilldown" => new Projections().SelectFromChildSequence(), + "select-many-filter" => new Projections().SelectManyWithWhere(), + "select-many-assignment" => new Projections().SelectManyWhereAssignment(), + "multiple-where-clauses" => new Projections().SelectMultipleWhereClauses(), + "indexed-select-many" => new Projections().IndexedSelectMany(), + null => RunAll(), _ => MissingRegionTag(region), }; @@ -36,11 +54,31 @@ private static int MissingRegionTag(string region) } private static int RunAll() { + // 1- 5 new Restrictions().LowNumbers(); new Restrictions().ProductsOutOfStock(); new Restrictions().ExpensiveProductsInStock(); new Restrictions().DisplayCustomerOrders(); new Restrictions().IndexedWhere(); + + // 6 - 19 (+ 2 for tuples) + new Projections().SelectSyntax(); + new Projections().SelectProperty(); + new Projections().TransformWithSelect(); + new Projections().SelectByCaseAnonymous(); + new Projections().SelectByCaseTuple(); + new Projections().SelectAnonymousConstructions(); + new Projections().SelectTupleConstructions(); + new Projections().SelectPropertySubset(); + new Projections().SelectWithIndex(); + new Projections().SelectWithWhere(); + new Projections().SelectFromMultipleSequences(); + new Projections().SelectFromChildSequence(); + new Projections().SelectManyWithWhere(); + new Projections().SelectManyWhereAssignment(); + new Projections().SelectMultipleWhereClauses(); + new Projections().IndexedSelectMany(); + return 0; } } diff --git a/101-linq-samples/src/Projections.cs b/101-linq-samples/src/Projections.cs new file mode 100644 index 0000000..dce3a56 --- /dev/null +++ b/101-linq-samples/src/Projections.cs @@ -0,0 +1,282 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace Try101LinqSamples +{ + public class Projections + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + public int SelectSyntax() + { + #region select-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var numsPlusOne = from n in numbers + select n + 1; + + Console.WriteLine("Numbers + 1:"); + foreach (var i in numsPlusOne) + { + Console.WriteLine(i); + } + return 0; + #endregion + } + + public int SelectProperty() + { + #region select-property + List products = GetProductList(); + + var productNames = from p in products + select p.ProductName; + + Console.WriteLine("Product Names:"); + foreach (var productName in productNames) + { + Console.WriteLine(productName); + } + #endregion + return 0; + } + + public int TransformWithSelect() + { + #region select-transform + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + string[] strings = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + var textNums = from n in numbers + select strings[n]; + + Console.WriteLine("Number strings:"); + foreach (var s in textNums) + { + Console.WriteLine(s); + } + #endregion + return 0; + } + + public int SelectByCaseAnonymous() + { + #region select-case-anonymous + string[] words = { "aPPLE", "BlUeBeRrY", "cHeRry" }; + + var upperLowerWords = from w in words + select new { Upper = w.ToUpper(), Lower = w.ToLower() }; + + foreach (var ul in upperLowerWords) + { + Console.WriteLine($"Uppercase: {ul.Upper}, Lowercase: {ul.Lower}"); + } + #endregion + return 0; + } + + public int SelectByCaseTuple() + { + #region select-case-tuple + string[] words = { "aPPLE", "BlUeBeRrY", "cHeRry" }; + + var upperLowerWords = from w in words + select (Upper : w.ToUpper(), Lower : w.ToLower()); + + foreach (var ul in upperLowerWords) + { + Console.WriteLine($"Uppercase: {ul.Upper}, Lowercase: {ul.Lower}"); + } + #endregion + return 0; + } + + public int SelectAnonymousConstructions() + { + #region select-new-type + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + string[] strings = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + var digitOddEvens = from n in numbers + select new { Digit = strings[n], Even = (n % 2 == 0) }; + + foreach (var d in digitOddEvens) + { + Console.WriteLine($"The digit {d.Digit} is {(d.Even ? "even" : "odd")}."); + } + #endregion + return 0; + } + + public int SelectTupleConstructions() + { + #region select-new-type-tuple + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + string[] strings = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + var digitOddEvens = from n in numbers + select (Digit : strings[n], Even : (n % 2 == 0)); + + foreach (var d in digitOddEvens) + { + Console.WriteLine($"The digit {d.Digit} is {(d.Even ? "even" : "odd")}."); + } + #endregion + return 0; + } + + public int SelectPropertySubset() + { + #region select-subset-properties + List products = GetProductList(); + + var productInfos = from p in products + select (p.ProductName, p.Category, Price : p.UnitPrice); + + Console.WriteLine("Product Info:"); + foreach (var productInfo in productInfos) + { + Console.WriteLine($"{productInfo.ProductName} is in the category {productInfo.Category} and costs {productInfo.Price} per unit."); + } + #endregion + return 0; + } + + public int SelectWithIndex() + { + #region select-with-index + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var numsInPlace = numbers.Select((num, index) => (Num : num, InPlace : (num == index))); + + Console.WriteLine("Number: In-place?"); + foreach (var n in numsInPlace) + { + Console.WriteLine($"{n.Num}: {n.InPlace}"); + } + #endregion + return 0; + } + + public int SelectWithWhere() + { + #region select-with-where + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + string[] digits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + var lowNums = from n in numbers + where n < 5 + select digits[n]; + + Console.WriteLine("Numbers < 5:"); + foreach (var num in lowNums) + { + Console.WriteLine(num); + } + #endregion + return 0; + } + + public int SelectFromMultipleSequences() + { + #region select-many-syntax + int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 }; + int[] numbersB = { 1, 3, 5, 7, 8 }; + + var pairs = from a in numbersA + from b in numbersB + where a < b + select (a, b); + + Console.WriteLine("Pairs where a < b:"); + foreach (var pair in pairs) + { + Console.WriteLine($"{pair.a} is less than {pair.b}"); + } + #endregion + return 0; + } + + public int SelectFromChildSequence() + { + #region select-many-drilldown + List customers = GetCustomerList(); + + var orders = from c in customers + from o in c.Orders + where o.Total < 500.00M + select (c.CustomerID, o.OrderID, o.Total); + + ObjectDumper.Write(orders); + #endregion + return 1; + } + + public int SelectManyWithWhere() + { + #region select-many-filter + List customers = GetCustomerList(); + + var orders = from c in customers + from o in c.Orders + where o.OrderDate >= new DateTime(1998, 1, 1) + select (c.CustomerID, o.OrderID, o.OrderDate); + + ObjectDumper.Write(orders); + #endregion + return 0; + } + + public int SelectManyWhereAssignment() + { + #region select-many-assignment + List customers = GetCustomerList(); + + var orders = from c in customers + from o in c.Orders + where o.Total >= 2000.0M + select (c.CustomerID, o.OrderID, o.Total); + + ObjectDumper.Write(orders); + #endregion + return 0; + } + + public int SelectMultipleWhereClauses() + { + #region multiple-where-clauses + List customers = GetCustomerList(); + + DateTime cutoffDate = new DateTime(1997, 1, 1); + + var orders = from c in customers + where c.Region == "WA" + from o in c.Orders + where o.OrderDate >= cutoffDate + select (c.CustomerID, o.OrderID); + + ObjectDumper.Write(orders); + #endregion + return 0; + } + + public int IndexedSelectMany() + { + #region indexed-select-many + List customers = GetCustomerList(); + + var customerOrders = + customers.SelectMany( + (cust, custIndex) => + cust.Orders.Select(o => "Customer #" + (custIndex + 1) + + " has an order with OrderID " + o.OrderID)); + + ObjectDumper.Write(customerOrders); + #endregion + return 0; + } + } +} diff --git a/101-linq-samples/src/Utilities/ObjectDumper.cs b/101-linq-samples/src/Utilities/ObjectDumper.cs new file mode 100644 index 0000000..a04d115 --- /dev/null +++ b/101-linq-samples/src/Utilities/ObjectDumper.cs @@ -0,0 +1,178 @@ +using System; +using System.IO; +using System.Collections; +using System.Collections.Generic; +using System.Reflection; + +public class ObjectDumper +{ + public static void Write(object o) + { + Write(o, 0); + } + + public static void Write(object o, int depth) + { + ObjectDumper dumper = new ObjectDumper(depth); + dumper.WriteObject(null, o); + } + + TextWriter writer; + int pos; + int level; + int depth; + + private ObjectDumper(int depth) + { + this.writer = Console.Out; + this.depth = depth; + } + + private void Write(string s) + { + if (s != null) + { + writer.Write(s); + pos += s.Length; + } + } + + private void WriteIndent() + { + for (int i = 0; i < level; i++) writer.Write(" "); + } + + private void WriteLine() + { + writer.WriteLine(); + pos = 0; + } + + private void WriteTab() + { + Write(" "); + while (pos % 8 != 0) Write(" "); + } + + private void WriteObject(string prefix, object o) + { + if (o == null || o is ValueType || o is string) + { + WriteIndent(); + Write(prefix); + WriteValue(o); + WriteLine(); + } + else if (o is IEnumerable) + { + foreach (object element in (IEnumerable)o) + { + if (element is IEnumerable && !(element is string)) + { + WriteIndent(); + Write(prefix); + Write("..."); + WriteLine(); + if (level < depth) + { + level++; + WriteObject(prefix, element); + level--; + } + } + else + { + WriteObject(prefix, element); + } + } + } + else + { + MemberInfo[] members = o.GetType().GetMembers(BindingFlags.Public | BindingFlags.Instance); + WriteIndent(); + Write(prefix); + bool propWritten = false; + foreach (MemberInfo m in members) + { + FieldInfo f = m as FieldInfo; + PropertyInfo p = m as PropertyInfo; + if (f != null || p != null) + { + if (propWritten) + { + WriteTab(); + } + else + { + propWritten = true; + } + Write(m.Name); + Write("="); + Type t = f != null ? f.FieldType : p.PropertyType; + if (t.IsValueType || t == typeof(string)) + { + WriteValue(f != null ? f.GetValue(o) : p.GetValue(o, null)); + } + else + { + if (typeof(IEnumerable).IsAssignableFrom(t)) + { + Write("..."); + } + else + { + Write("{ }"); + } + } + } + } + if (propWritten) WriteLine(); + if (level < depth) + { + foreach (MemberInfo m in members) + { + FieldInfo f = m as FieldInfo; + PropertyInfo p = m as PropertyInfo; + if (f != null || p != null) + { + Type t = f != null ? f.FieldType : p.PropertyType; + if (!(t.IsValueType || t == typeof(string))) + { + object value = f != null ? f.GetValue(o) : p.GetValue(o, null); + if (value != null) + { + level++; + WriteObject(m.Name + ": ", value); + level--; + } + } + } + } + } + } + } + + private void WriteValue(object o) + { + if (o == null) + { + Write("null"); + } + else if (o is DateTime) + { + Write(((DateTime)o).ToShortDateString()); + } + else if (o is ValueType || o is string) + { + Write(o.ToString()); + } + else if (o is IEnumerable) + { + Write("..."); + } + else + { + Write("{ }"); + } + } +} From 98439543d94a1ede688139cf937178fe53067a8a Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 29 Aug 2019 20:38:21 -0400 Subject: [PATCH 05/23] checkpoint --- 101-linq-samples/src/Restrictions.cs | 28 ++- .../src/Utilities/ObjectDumper.cs | 197 ++++++++---------- 2 files changed, 103 insertions(+), 122 deletions(-) diff --git a/101-linq-samples/src/Restrictions.cs b/101-linq-samples/src/Restrictions.cs index cf7d6d2..c261833 100644 --- a/101-linq-samples/src/Restrictions.cs +++ b/101-linq-samples/src/Restrictions.cs @@ -15,10 +15,9 @@ public int LowNumbers() #region where-syntax int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; - var lowNums = - from num in numbers - where num < 5 - select num; + var lowNums = from num in numbers + where num < 5 + select num; Console.WriteLine("Numbers < 5:"); foreach (var x in lowNums) @@ -34,10 +33,9 @@ public int ProductsOutOfStock() #region where-property List products = GetProductList(); - var soldOutProducts = - from prod in products - where prod.UnitsInStock == 0 - select prod; + var soldOutProducts = from prod in products + where prod.UnitsInStock == 0 + select prod; Console.WriteLine("Sold out products:"); foreach (var product in soldOutProducts) @@ -53,10 +51,9 @@ public int ExpensiveProductsInStock() #region where-multiple-properties List products = GetProductList(); - var expensiveInStockProducts = - from prod in products - where prod.UnitsInStock > 0 && prod.UnitPrice > 3.00M - select prod; + var expensiveInStockProducts = from prod in products + where prod.UnitsInStock > 0 && prod.UnitPrice > 3.00M + select prod; Console.WriteLine("In-stock products that cost more than 3.00:"); foreach (var product in expensiveInStockProducts) @@ -72,10 +69,9 @@ public int DisplayCustomerOrders() #region where-drilldown List customers = GetCustomerList(); - var waCustomers = - from cust in customers - where cust.Region == "WA" - select cust; + var waCustomers = from cust in customers + where cust.Region == "WA" + select cust; Console.WriteLine("Customers from Washington and their orders:"); foreach (var customer in waCustomers) diff --git a/101-linq-samples/src/Utilities/ObjectDumper.cs b/101-linq-samples/src/Utilities/ObjectDumper.cs index a04d115..e8c8ab3 100644 --- a/101-linq-samples/src/Utilities/ObjectDumper.cs +++ b/101-linq-samples/src/Utilities/ObjectDumper.cs @@ -6,35 +6,25 @@ public class ObjectDumper { - public static void Write(object o) - { - Write(o, 0); - } + public static void Write(object o) => Write(o, 0); public static void Write(object o, int depth) { - ObjectDumper dumper = new ObjectDumper(depth); + var dumper = new ObjectDumper(depth); dumper.WriteObject(null, o); } - TextWriter writer; + TextWriter writer = Console.Out; int pos; int level; int depth; - private ObjectDumper(int depth) - { - this.writer = Console.Out; - this.depth = depth; - } + private ObjectDumper(int depth) => this.depth = depth; private void Write(string s) { - if (s != null) - { - writer.Write(s); - pos += s.Length; - } + writer.Write(s); + pos += s?.Length ?? 0; } private void WriteIndent() @@ -50,129 +40,124 @@ private void WriteLine() private void WriteTab() { - Write(" "); - while (pos % 8 != 0) Write(" "); + do { + Write(" "); + } while (pos % 8 != 0); } private void WriteObject(string prefix, object o) { - if (o == null || o is ValueType || o is string) - { - WriteIndent(); - Write(prefix); - WriteValue(o); - WriteLine(); - } - else if (o is IEnumerable) - { - foreach (object element in (IEnumerable)o) - { - if (element is IEnumerable && !(element is string)) - { - WriteIndent(); - Write(prefix); - Write("..."); - WriteLine(); - if (level < depth) - { - level++; - WriteObject(prefix, element); - level--; - } - } - else - { - WriteObject(prefix, element); - } - } - } - else + switch (o) { - MemberInfo[] members = o.GetType().GetMembers(BindingFlags.Public | BindingFlags.Instance); - WriteIndent(); - Write(prefix); - bool propWritten = false; - foreach (MemberInfo m in members) - { - FieldInfo f = m as FieldInfo; - PropertyInfo p = m as PropertyInfo; - if (f != null || p != null) + case null: + case ValueType v: + case string s: + WriteIndent(); + Write(prefix); + WriteValue(o); + WriteLine(); + break; + case IEnumerable e: + foreach (object element in e) { - if (propWritten) + if (element is IEnumerable && !(element is string)) { - WriteTab(); + WriteIndent(); + Write(prefix); + Write("..."); + WriteLine(); + if (level < depth) + { + level++; + WriteObject(prefix, element); + level--; + } } else { - propWritten = true; - } - Write(m.Name); - Write("="); - Type t = f != null ? f.FieldType : p.PropertyType; - if (t.IsValueType || t == typeof(string)) - { - WriteValue(f != null ? f.GetValue(o) : p.GetValue(o, null)); + WriteObject(prefix, element); } - else + } + break; + default: + MemberInfo[] members = o.GetType().GetMembers(BindingFlags.Public | BindingFlags.Instance); + WriteIndent(); + Write(prefix); + bool propWritten = false; + foreach (MemberInfo m in members) + { + FieldInfo f = m as FieldInfo; + PropertyInfo p = m as PropertyInfo; + if (f != null || p != null) { - if (typeof(IEnumerable).IsAssignableFrom(t)) + if (propWritten) { - Write("..."); + WriteTab(); } else { - Write("{ }"); + propWritten = true; + } + Write(m.Name); + Write("="); + Type t = f != null ? f.FieldType : p.PropertyType; + if (t.IsValueType || t == typeof(string)) + { + WriteValue(f != null ? f.GetValue(o) : p.GetValue(o, null)); + } + else + { + if (typeof(IEnumerable).IsAssignableFrom(t)) + { + Write("..."); + } + else + { + Write("{ }"); + } } } } - } - if (propWritten) WriteLine(); - if (level < depth) - { - foreach (MemberInfo m in members) + if (propWritten) WriteLine(); + if (level < depth) { - FieldInfo f = m as FieldInfo; - PropertyInfo p = m as PropertyInfo; - if (f != null || p != null) + foreach (MemberInfo m in members) { - Type t = f != null ? f.FieldType : p.PropertyType; - if (!(t.IsValueType || t == typeof(string))) + FieldInfo f = m as FieldInfo; + PropertyInfo p = m as PropertyInfo; + if (f != null || p != null) { - object value = f != null ? f.GetValue(o) : p.GetValue(o, null); - if (value != null) + Type t = f != null ? f.FieldType : p.PropertyType; + if (!(t.IsValueType || t == typeof(string))) { - level++; - WriteObject(m.Name + ": ", value); - level--; + object value = f != null ? f.GetValue(o) : p.GetValue(o, null); + if (value != null) + { + level++; + WriteObject(m.Name + ": ", value); + level--; + } } } } } - } + break; } } private void WriteValue(object o) { - if (o == null) - { - Write("null"); - } - else if (o is DateTime) - { - Write(((DateTime)o).ToShortDateString()); - } - else if (o is ValueType || o is string) - { - Write(o.ToString()); - } - else if (o is IEnumerable) - { - Write("..."); - } - else + switch (o) { - Write("{ }"); + case null: + Write("null"); + break; + case DateTime t: + Write(t.ToShortDateString()); + break; + default: + Write(o.ToString()); + break; } } } From d529fb8a2a3ad7391f435b058333d2b2e1729154 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 29 Aug 2019 21:10:14 -0400 Subject: [PATCH 06/23] All the projection operators are done. --- 101-linq-samples/docs/projections-2.md | 40 +++++ 101-linq-samples/docs/projections-3.md | 21 +++ 101-linq-samples/docs/projections-4.md | 29 ++++ 101-linq-samples/docs/projections-5.md | 29 ++++ 101-linq-samples/docs/projections.md | 102 +---------- 101-linq-samples/readme.md | 22 +-- 101-linq-samples/src/Projections.cs | 25 ++- .../src/Utilities/ObjectDumper.cs | 163 ------------------ 8 files changed, 152 insertions(+), 279 deletions(-) create mode 100644 101-linq-samples/docs/projections-2.md create mode 100644 101-linq-samples/docs/projections-3.md create mode 100644 101-linq-samples/docs/projections-4.md create mode 100644 101-linq-samples/docs/projections-5.md delete mode 100644 101-linq-samples/src/Utilities/ObjectDumper.cs diff --git a/101-linq-samples/docs/projections-2.md b/101-linq-samples/docs/projections-2.md new file mode 100644 index 0000000..d4948c3 --- /dev/null +++ b/101-linq-samples/docs/projections-2.md @@ -0,0 +1,40 @@ +# LINQ - Projection Operators + +The `select` clause of a LINQ query *projects* the output sequence. It transforms each input element into the shape of the output sequence + +## Select anonymous types or tuples + +This sample uses select to produce a sequence of the uppercase and lowercase versions of each word in the original array. The items in the output sequence are *anonymous types*. That means the compiler generates a class for them with the relevant properties, but that type has a name known only to the compiler. + +``` cs --region select-case-anonymous --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +Beginning with C# 7, you can also project to *tuples*, using the following syntax. The items in the output sequence are instances of `System.ValueTuple`. The compiler adds metadata to provide meaningful member names. + +``` cs --region select-case-tuple --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Use select to create new types + +This sample uses select to produce a sequence containing text representations of digits and whether their length is even or odd. + +``` cs --region select-new-type --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +You can choose to create either *anonymous types* or *tuples* in these projections, as shown below: + +``` cs --region select-new-type-tuple --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +You'll likely see many samples in documentation and articles using anonymous types, because those have been available since C# 3.0. However, the new *tuples* projections have some advantages that you can read about on [Microsoft Docs](https://docs.microsoft.com/dotnet/csharp/tuples). All upcoming samples will use the tuples syntax. However, anonymous types also work. + +## Select a subset of properties + +This sample uses select to produce a sequence containing some properties of Products, including UnitPrice which is renamed to Price in the resulting type. + +``` cs --region select-subset-properties --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Projection with index and where »](./projections-3.md) Previous: [Projections «](./projections.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/projections-3.md b/101-linq-samples/docs/projections-3.md new file mode 100644 index 0000000..9ae7259 --- /dev/null +++ b/101-linq-samples/docs/projections-3.md @@ -0,0 +1,21 @@ +# LINQ - Projection Operators + +The `select` clause of a LINQ query *projects* the output sequence. It transforms each input element into the shape of the output sequence + +## Select with index of item + +This sample uses an indexed Select clause to determine if the value of ints in an array match their position in the array. + +``` cs --region select-with-index --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Select combined with where + +This sample combines select and where to make a simple query that returns the text form of each digit less than 5. + +``` cs --region select-with-where --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Projections from multiple inputs »](./projections-4.md) Previous: [Projects to new types «](./restrictions-2.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/projections-4.md b/101-linq-samples/docs/projections-4.md new file mode 100644 index 0000000..d3c9e8c --- /dev/null +++ b/101-linq-samples/docs/projections-4.md @@ -0,0 +1,29 @@ +# LINQ - Projection Operators + +The `select` clause of a LINQ query *projects* the output sequence. It transforms each input element into the shape of the output sequence + +## Select from multiple input sequences + +This sample uses a compound `from` clause to make a query that returns all pairs of numbers from both arrays such that the number from `numbersA` is less than the number from `numbersB`. + +``` cs --region select-many-syntax --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Select from related input sequences + +This sample uses a comThis sample uses a compound from clause to select all orders where the order total is less than 500.00. + +``` cs --region select-many-drilldown --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compound select with where clause + +This sample uses a compound from clause to select all orders where the order was made in 1998 or later. + +``` cs --region select-many-filter --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Compound projections »](./projections-5.md) Previous: [Restrictions with index and where «](./restrictions-4.md)** + +**[Home](../README.md)** + diff --git a/101-linq-samples/docs/projections-5.md b/101-linq-samples/docs/projections-5.md new file mode 100644 index 0000000..09a8c68 --- /dev/null +++ b/101-linq-samples/docs/projections-5.md @@ -0,0 +1,29 @@ +# LINQ - Projection Operators + +The `select` clause of a LINQ query *projects* the output sequence. It transforms each input element into the shape of the output sequence + +## Compound select with where and assignment + +This sample uses a compound from clause to select all orders where the order total is greater than 2000.00 and uses from assignment to avoid requesting the total twice. + + +``` cs --region select-many-assignment --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compound select with multiple where clauses + +This sample uses multiple from clauses so that filtering on customers can be done before selecting their orders. This makes the query more efficient by not selecting and then discarding orders for customers outside of Washington. + +``` cs --region multiple-where-clauses --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compound select with index + +This sample uses an indexed SelectMany clause to select all orders, while referring to customers by the order in which they are returned from the query. + +``` cs --region indexed-select-many --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Projection operators »](./projections.md) Previous: [Restrictions from multiple inputs «](./restrictions-4.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/projections.md b/101-linq-samples/docs/projections.md index b9be95f..d15ea65 100644 --- a/101-linq-samples/docs/projections.md +++ b/101-linq-samples/docs/projections.md @@ -23,105 +23,7 @@ This sample uses select to produce a sequence of strings representing the text v ``` cs --region select-transform --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` -***Start Page 2 here*** +**Next: [Projections to new types »](./projections-2.md) Previous: [Restrictions «](./restrictions.md)** -## Select anonymous types or tuples +**[Home](../README.md)** -This sample uses select to produce a sequence of the uppercase and lowercase versions of each word in the original array. The items in the output sequence are *anonymous types*. That means the compiler generates a class for them with the relevant properties, but that type has a name known only to the compiler. - -``` cs --region select-case-anonymous --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -Beginning with C# 7, you can also project to *tuples*, using the following syntax. The items in the output sequence are instances of `System.ValueTuple`. The compiler adds metadata to provide meaningful member names. - -``` cs --region select-case-tuple --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -## Use select to create new types - -This sample uses select to produce a sequence containing text representations of digits and whether their length is even or odd. - -``` cs --region select-new-type --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -You can choose to create either *anonymous types* or *tuples* in these projections, as shown below: - -``` cs --region select-new-type-tuple --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -You'll likely see many samples in documentation and articles using anonymous types, because those have been available since C# 3.0. However, the new *tuples* projections have some advantages that you can read about on [Microsoft Docs](https://docs.microsoft.com/dotnet/csharp/tuples). All upcoming samples will use the tuples syntax. However, anonymous types also work. - -## Select a subset of properties - -This sample uses select to produce a sequence containing some properties of Products, including UnitPrice which is renamed to Price in the resulting type. - -``` cs --region select-subset-properties --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -***Start Page 3 here*** - -## Select with index of item - -This sample uses an indexed Select clause to determine if the value of ints in an array match their position in the array. - -``` cs --region select-with-index --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -## Select combined with where - -This sample combines select and where to make a simple query that returns the text form of each digit less than 5. - -``` cs --region select-with-where --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -***Start Page 4 here*** - -## Select from multiple input sequences - -This sample uses a compound `from` clause to make a query that returns all pairs of numbers from both arrays such that the number from `numbersA` is less than the number from `numbersB`. - -``` cs --region select-many-syntax --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -## Select from related input sequences - -This sample uses a comThis sample uses a compound from clause to select all orders where the order total is less than 500.00. - -``` cs --region select-many-drilldown --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -## Compound select with where clause - -This sample uses a compound from clause to select all orders where the order was made in 1998 or later. - -``` cs --region select-many-filter --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -***Start Page 5 here*** - -## Compound select with where and assignment - -This sample uses a compound from clause to select all orders where the order total is greater than 2000.00 and uses from assignment to avoid requesting the total twice. - - -``` cs --region select-many-assignment --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -## Compound select with multiple where clauses - -This sample uses multiple from clauses so that filtering on customers can be done before selecting their orders. This makes the query more efficient by not selecting and then discarding orders for customers outside of Washington. - -``` cs --region multiple-where-clauses --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - -## Compound select with index - -This sample uses an indexed SelectMany clause to select all orders, while referring to customers by the order in which they are returned from the query. - -``` cs --region indexed-select-many --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj -``` - - -**Next: [Projection operators »](./projections.md) Previous: [Restrictions «](./restrictions.md)** - -**[Home](../README.md)** \ No newline at end of file diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 0d43740..7c892c8 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -26,14 +26,14 @@ These operators restrict, or filter, the input sequence to produce an output seq - [Select clause syntax](docs/projections.md#select-clause-syntax) - [Select a single property](docs/projections.md#select-a-single-property) - [Transform types with select](docs/projections.md#transform-with-select) -- [Select a new type](docs/projections.md#select-anonymous-types-or-tuples) -- [Create new types with select](docs/projections.md#use-select-to-create-new-types) -- [Select a subset of properties](docs/projections.md#select-a-subset-of-properties) -- [Select including the index of source item](docs/projections.md#select-with-index-of-item) -- [Combine select and where](docs/projections.md#select-combined-with-where) -- [Select from multiple sequences](docs/projections.md#select-from-multiple-input-sequences) -- [Select from related input sequences](docs/projections.md#select-from-related-input-sequences) -- [Select multiple sequences with where](docs/projections.md#compound-select-with-where-clause) -- [Select many with assignment](docs/projections.md#compound-select-with-where-and-assignment) -- [Select many with multiple filters](docs/projections.md#compound-select-with-multiple-where-clauses) -- [Select many with element index](docs/projections.md#compound-select-with-index) +- [Select a new type](docs/projections-2.md#select-anonymous-types-or-tuples) +- [Create new types with select](docs/projections-2.md#use-select-to-create-new-types) +- [Select a subset of properties](docs/projections-2.md#select-a-subset-of-properties) +- [Select including the index of source item](docs/projections-3.md#select-with-index-of-item) +- [Combine select and where](docs/projections-3.md#select-combined-with-where) +- [Select from multiple sequences](docs/projections-4.md#select-from-multiple-input-sequences) +- [Select from related input sequences](docs/projections-4.md#select-from-related-input-sequences) +- [Select multiple sequences with where](docs/projections-4.md#compound-select-with-where-clause) +- [Select many with assignment](docs/projections-5.md#compound-select-with-where-and-assignment) +- [Select many with multiple filters](docs/projections-5.md#compound-select-with-multiple-where-clauses) +- [Select many with element index](docs/projections-5.md#compound-select-with-index) diff --git a/101-linq-samples/src/Projections.cs b/101-linq-samples/src/Projections.cs index dce3a56..c38c138 100644 --- a/101-linq-samples/src/Projections.cs +++ b/101-linq-samples/src/Projections.cs @@ -210,7 +210,10 @@ from o in c.Orders where o.Total < 500.00M select (c.CustomerID, o.OrderID, o.Total); - ObjectDumper.Write(orders); + foreach(var order in orders) + { + Console.WriteLine($"Customer: {order.CustomerID}, Order: {order.OrderID}, Total value: {order.Total}"); + } #endregion return 1; } @@ -225,7 +228,10 @@ from o in c.Orders where o.OrderDate >= new DateTime(1998, 1, 1) select (c.CustomerID, o.OrderID, o.OrderDate); - ObjectDumper.Write(orders); + foreach (var order in orders) + { + Console.WriteLine($"Customer: {order.CustomerID}, Order: {order.OrderID}, Total date: {order.OrderDate.ToShortDateString()}"); + } #endregion return 0; } @@ -240,7 +246,10 @@ from o in c.Orders where o.Total >= 2000.0M select (c.CustomerID, o.OrderID, o.Total); - ObjectDumper.Write(orders); + foreach (var order in orders) + { + Console.WriteLine($"Customer: {order.CustomerID}, Order: {order.OrderID}, Total value: {order.Total}"); + } #endregion return 0; } @@ -258,7 +267,10 @@ from o in c.Orders where o.OrderDate >= cutoffDate select (c.CustomerID, o.OrderID); - ObjectDumper.Write(orders); + foreach (var order in orders) + { + Console.WriteLine($"Customer: {order.CustomerID}, Order: {order.OrderID}"); + } #endregion return 0; } @@ -274,7 +286,10 @@ public int IndexedSelectMany() cust.Orders.Select(o => "Customer #" + (custIndex + 1) + " has an order with OrderID " + o.OrderID)); - ObjectDumper.Write(customerOrders); + foreach (var order in customerOrders) + { + Console.WriteLine(order); + } #endregion return 0; } diff --git a/101-linq-samples/src/Utilities/ObjectDumper.cs b/101-linq-samples/src/Utilities/ObjectDumper.cs deleted file mode 100644 index e8c8ab3..0000000 --- a/101-linq-samples/src/Utilities/ObjectDumper.cs +++ /dev/null @@ -1,163 +0,0 @@ -using System; -using System.IO; -using System.Collections; -using System.Collections.Generic; -using System.Reflection; - -public class ObjectDumper -{ - public static void Write(object o) => Write(o, 0); - - public static void Write(object o, int depth) - { - var dumper = new ObjectDumper(depth); - dumper.WriteObject(null, o); - } - - TextWriter writer = Console.Out; - int pos; - int level; - int depth; - - private ObjectDumper(int depth) => this.depth = depth; - - private void Write(string s) - { - writer.Write(s); - pos += s?.Length ?? 0; - } - - private void WriteIndent() - { - for (int i = 0; i < level; i++) writer.Write(" "); - } - - private void WriteLine() - { - writer.WriteLine(); - pos = 0; - } - - private void WriteTab() - { - do { - Write(" "); - } while (pos % 8 != 0); - } - - private void WriteObject(string prefix, object o) - { - switch (o) - { - case null: - case ValueType v: - case string s: - WriteIndent(); - Write(prefix); - WriteValue(o); - WriteLine(); - break; - case IEnumerable e: - foreach (object element in e) - { - if (element is IEnumerable && !(element is string)) - { - WriteIndent(); - Write(prefix); - Write("..."); - WriteLine(); - if (level < depth) - { - level++; - WriteObject(prefix, element); - level--; - } - } - else - { - WriteObject(prefix, element); - } - } - break; - default: - MemberInfo[] members = o.GetType().GetMembers(BindingFlags.Public | BindingFlags.Instance); - WriteIndent(); - Write(prefix); - bool propWritten = false; - foreach (MemberInfo m in members) - { - FieldInfo f = m as FieldInfo; - PropertyInfo p = m as PropertyInfo; - if (f != null || p != null) - { - if (propWritten) - { - WriteTab(); - } - else - { - propWritten = true; - } - Write(m.Name); - Write("="); - Type t = f != null ? f.FieldType : p.PropertyType; - if (t.IsValueType || t == typeof(string)) - { - WriteValue(f != null ? f.GetValue(o) : p.GetValue(o, null)); - } - else - { - if (typeof(IEnumerable).IsAssignableFrom(t)) - { - Write("..."); - } - else - { - Write("{ }"); - } - } - } - } - if (propWritten) WriteLine(); - if (level < depth) - { - foreach (MemberInfo m in members) - { - FieldInfo f = m as FieldInfo; - PropertyInfo p = m as PropertyInfo; - if (f != null || p != null) - { - Type t = f != null ? f.FieldType : p.PropertyType; - if (!(t.IsValueType || t == typeof(string))) - { - object value = f != null ? f.GetValue(o) : p.GetValue(o, null); - if (value != null) - { - level++; - WriteObject(m.Name + ": ", value); - level--; - } - } - } - } - } - break; - } - } - - private void WriteValue(object o) - { - switch (o) - { - case null: - Write("null"); - break; - case DateTime t: - Write(t.ToShortDateString()); - break; - default: - Write(o.ToString()); - break; - } - } -} From a6f848650d5b49ff371132c600de813d133b73b3 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Fri, 30 Aug 2019 14:41:31 -0400 Subject: [PATCH 07/23] Add partition samples. --- 101-linq-samples/docs/partitions-2.md | 36 ++++++ 101-linq-samples/docs/partitions.md | 36 ++++++ 101-linq-samples/docs/projections-3.md | 2 +- 101-linq-samples/docs/projections-4.md | 2 +- 101-linq-samples/docs/projections-5.md | 2 +- 101-linq-samples/readme.md | 11 ++ 101-linq-samples/src/Partitions.cs | 159 +++++++++++++++++++++++++ 101-linq-samples/src/Program.cs | 19 +++ 8 files changed, 264 insertions(+), 3 deletions(-) create mode 100644 101-linq-samples/docs/partitions-2.md create mode 100644 101-linq-samples/docs/partitions.md create mode 100644 101-linq-samples/src/Partitions.cs diff --git a/101-linq-samples/docs/partitions-2.md b/101-linq-samples/docs/partitions-2.md new file mode 100644 index 0000000..8ac1a7c --- /dev/null +++ b/101-linq-samples/docs/partitions-2.md @@ -0,0 +1,36 @@ +# LINQ - Partition Operators + +`TakeWhile` and `SkipWhile` *partition* an output sequence based a condition instead of a count of elements. You use these to limit the portion of an input sequence transferred to the output sequence. + +## TakeWhile syntax + +This sample uses TakeWhile to return elements starting from the beginning of the array until a number is hit that is not less than 6. + +``` cs --region takewhile-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Indexed TakeWhile + +This sample uses TakeWhile to return elements starting from the beginning of the array until a number is hit that is less than its position in the array. + +``` cs --region indexed-takewhile --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +## SkipWhile syntax + +This sample uses SkipWhile to get the elements of the array starting from the first element divisible by 3. + +``` cs --region skipwhile-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Indexed SkipWhile + +This sample uses SkipWhile to get the elements of the array starting from the first element less than its position. + +``` cs --region indexed-skipwhile --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Partitions »](./partitions.md) Previous: [Partitions «](./partitions.md)** + +**[Home](../README.md)** + diff --git a/101-linq-samples/docs/partitions.md b/101-linq-samples/docs/partitions.md new file mode 100644 index 0000000..79f9507 --- /dev/null +++ b/101-linq-samples/docs/partitions.md @@ -0,0 +1,36 @@ +# LINQ - Partition Operators + +The methods `Take`, `Skip`, `TakeWhile` and `SkipWhile` *partition* an output sequence. You use these to limit the portion of an input sequence transferred to the output sequence. + +## Take syntax + +This sample uses Take to get only the first 3 elements of the array. + +``` cs --region take-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Nested Take partitions + +This sample uses Take to get the first 3 orders from customers in Washington. + +``` cs --region nested-take --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Skip syntax + +This sample uses Skip to get all but the first 4 elements of the array. + +``` cs --region skip-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +## Nested skip partitions + +This sample uses Take to get all but the first 2 orders from customers in Washington. + +``` cs --region nested-skip --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Partitions with conditions »](./partitions-2.md) Previous: [Restrictions with indexes and conditions «](./projections-5.md)** + +**[Home](../README.md)** + diff --git a/101-linq-samples/docs/projections-3.md b/101-linq-samples/docs/projections-3.md index 9ae7259..2812376 100644 --- a/101-linq-samples/docs/projections-3.md +++ b/101-linq-samples/docs/projections-3.md @@ -16,6 +16,6 @@ This sample combines select and where to make a simple query that returns the te ``` cs --region select-with-where --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Projections from multiple inputs »](./projections-4.md) Previous: [Projects to new types «](./restrictions-2.md)** +**Next: [Projections from multiple inputs »](./projections-4.md) Previous: [Projects to new types «](./projections-2.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/projections-4.md b/101-linq-samples/docs/projections-4.md index d3c9e8c..541bf0c 100644 --- a/101-linq-samples/docs/projections-4.md +++ b/101-linq-samples/docs/projections-4.md @@ -23,7 +23,7 @@ This sample uses a compound from clause to select all orders where the order was ``` cs --region select-many-filter --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Compound projections »](./projections-5.md) Previous: [Restrictions with index and where «](./restrictions-4.md)** +**Next: [Compound projections »](./projections-5.md) Previous: [Restrictions with index and where «](./projections-3.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/projections-5.md b/101-linq-samples/docs/projections-5.md index 09a8c68..46c4268 100644 --- a/101-linq-samples/docs/projections-5.md +++ b/101-linq-samples/docs/projections-5.md @@ -24,6 +24,6 @@ This sample uses an indexed SelectMany clause to select all orders, while referr ``` cs --region indexed-select-many --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Projection operators »](./projections.md) Previous: [Restrictions from multiple inputs «](./restrictions-4.md)** +**Next: [Partition operators »](./partitions.md) Previous: [Restrictions from multiple inputs «](./projections-4.md)** **[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 7c892c8..4963e7a 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -37,3 +37,14 @@ These operators restrict, or filter, the input sequence to produce an output seq - [Select many with assignment](docs/projections-5.md#compound-select-with-where-and-assignment) - [Select many with multiple filters](docs/projections-5.md#compound-select-with-multiple-where-clauses) - [Select many with element index](docs/projections-5.md#compound-select-with-index) + +## [Partition operators](docs/partitions.md) + +- [Take method syntax](docs/partitions.md#take-syntax) +- [Nested take method call](docs/partitions.md#nested-take-partitions) +- [Skip method syntax](docs/partitions.md#skip-syntax) +- [Nested skip method call](docs/partitions.md#nested-skip-partitions) +- [TakeWhile method syntax](docs/partitions-2.md#takewhile-syntax) +- [Indexed TakeWhile method](docs/partitions-2.md#indexed-takewhile) +- [SkipWhile method syntax](docs/partitions-2.md#skipwhile-syntax) +- [Indexed SkipWhile method](docs/partitions-2.md#indexed-skipwhile) diff --git a/101-linq-samples/src/Partitions.cs b/101-linq-samples/src/Partitions.cs new file mode 100644 index 0000000..5d7402d --- /dev/null +++ b/101-linq-samples/src/Partitions.cs @@ -0,0 +1,159 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace Try101LinqSamples +{ + public class Partitions + { + public List GetProductList() => Products.ProductList; + + public List GetCustomerList() => Customers.CustomerList; + + public int TakeSyntax() + { + #region take-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var first3Numbers = numbers.Take(3); + + Console.WriteLine("First 3 numbers:"); + foreach (var n in first3Numbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int NestedTake() + { + #region nested-take + List customers = GetCustomerList(); + + var first3WAOrders = ( + from cust in customers + from order in cust.Orders + where cust.Region == "WA" + select (cust.CustomerID, order.OrderID, order.OrderDate)) + .Take(3); + + Console.WriteLine("First 3 orders in WA:"); + foreach (var order in first3WAOrders) + { + Console.WriteLine(order); + } + #endregion + return 0; + + } + + public int SkipSyntax() + + { + #region skip-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var allButFirst4Numbers = numbers.Skip(4); + + Console.WriteLine("All but first 4 numbers:"); + foreach (var n in allButFirst4Numbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int NestedSkip() + { + #region nested-skip + List customers = GetCustomerList(); + + var waOrders = + from cust in customers + from order in cust.Orders + where cust.Region == "WA" + select (cust.CustomerID, order.OrderID, order.OrderDate); + + var allButFirst2Orders = waOrders.Skip(2); + + Console.WriteLine("All but first 2 orders in WA:"); + foreach (var order in allButFirst2Orders) + { + Console.WriteLine(order); + } + #endregion + return 1; + } + + public int TakeWhileSyntax() + { + #region takewhile-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var firstNumbersLessThan6 = numbers.TakeWhile(n => n < 6); + + Console.WriteLine("First numbers less than 6:"); + foreach (var num in firstNumbersLessThan6) + { + Console.WriteLine(num); + } + #endregion + return 0; + } + + public int IndexedTakeWhile() + { + #region indexed-takewhile + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var firstSmallNumbers = numbers.TakeWhile((n, index) => n >= index); + + Console.WriteLine("First numbers not less than their position:"); + foreach (var n in firstSmallNumbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int SkipWhileSyntax() + { + #region skipwhile-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + // In the lambda expression, 'n' is the input parameter that identifies each + // element in the collection in succession. It is is inferred to be + // of type int because numbers is an int array. + var allButFirst3Numbers = numbers.SkipWhile(n => n % 3 != 0); + + Console.WriteLine("All elements starting from first element divisible by 3:"); + foreach (var n in allButFirst3Numbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int IndexedSkipWhile() + { + #region indexed-skipwhile + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var laterNumbers = numbers.SkipWhile((n, index) => n >= index); + + Console.WriteLine("All elements starting from first element less than its position:"); + foreach (var n in laterNumbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + } +} diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 6085678..f5005ef 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -42,6 +42,15 @@ static int Main( "multiple-where-clauses" => new Projections().SelectMultipleWhereClauses(), "indexed-select-many" => new Projections().IndexedSelectMany(), + "take-syntax" => new Partitions().TakeSyntax(), + "nested-take" => new Partitions().NestedTake(), + "skip-syntax" => new Partitions().SkipSyntax(), + "nested-skip" => new Partitions().NestedSkip(), + "takewhile-syntax" => new Partitions().TakeWhileSyntax(), + "indexed-takewhile" => new Partitions().IndexedTakeWhile(), + "skipwhile-syntax" => new Partitions().SkipWhileSyntax(), + "indexed-skipwhile" => new Partitions().IndexedSkipWhile(), + null => RunAll(), _ => MissingRegionTag(region), }; @@ -79,6 +88,16 @@ private static int RunAll() new Projections().SelectMultipleWhereClauses(); new Projections().IndexedSelectMany(); + // 20 - 27 + new Partitions().TakeSyntax(); + new Partitions().NestedTake(); + new Partitions().SkipSyntax(); + new Partitions().NestedSkip(); + new Partitions().TakeWhileSyntax(); + new Partitions().IndexedTakeWhile(); + new Partitions().SkipWhileSyntax(); + new Partitions().IndexedSkipWhile(); + return 0; } } From b7c884165b48b5c26c583c1b3fea9ca2eae451a6 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Fri, 30 Aug 2019 17:58:53 -0400 Subject: [PATCH 08/23] add ordering This hasn't been fully tested yet. --- 101-linq-samples/docs/orderings-2.md | 35 +++ 101-linq-samples/docs/orderings-3.md | 48 ++++ 101-linq-samples/docs/orderings.md | 42 ++++ 101-linq-samples/readme.md | 14 ++ 101-linq-samples/src/DataSources/Products.cs | 3 + 101-linq-samples/src/Orderings.cs | 230 +++++++++++++++++++ 101-linq-samples/src/Partitions.cs | 1 - 101-linq-samples/src/Program.cs | 42 +++- 8 files changed, 410 insertions(+), 5 deletions(-) create mode 100644 101-linq-samples/docs/orderings-2.md create mode 100644 101-linq-samples/docs/orderings-3.md create mode 100644 101-linq-samples/docs/orderings.md create mode 100644 101-linq-samples/src/Orderings.cs diff --git a/101-linq-samples/docs/orderings-2.md b/101-linq-samples/docs/orderings-2.md new file mode 100644 index 0000000..f8f68a4 --- /dev/null +++ b/101-linq-samples/docs/orderings-2.md @@ -0,0 +1,35 @@ +# LINQ - Ordering Operators + +The `orderby` clause of a LINQ query sorts the output sequence. You can control the properties used for sorting, and specify ascending or descending order. + +## orderby descending sytnax + +This sample uses orderby and descending to sort a list of doubles from highest to lowest. + +``` cs --region orderbydescending-syntax --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Descending ordering user defined types + +This sample uses orderby to sort a list of products by units in stock from highest to lowest. + +``` cs --region orderby-descending-type --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Descending orders with a custom comparer + +This sample uses an OrderBy clause with a custom comparer to do a case-insensitive descending sort of the words in an array. + +The first block is the custom comparer: + +``` cs --region custom-comparer --session descending-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +The next block shows its usage: + +``` cs --region desc-custom-comparer --session descending-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Orderby then by »](./orderings-3.md) Previous: [Ordering «](./orderings.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings-3.md b/101-linq-samples/docs/orderings-3.md new file mode 100644 index 0000000..511c3ef --- /dev/null +++ b/101-linq-samples/docs/orderings-3.md @@ -0,0 +1,48 @@ +# LINQ - Ordering Operators + +The `orderby` clause of a LINQ query sorts the output sequence. You can control the properties used for sorting, and specify ascending or descending order. + +## orderby multiple properties + +This sample uses a compound orderby to sort a list of digits, first by length of their name, and then alphabetically by the name itself. + +``` cs --region thenby-syntax --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Multiple ordering with a custom comparer + +This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. + +``` cs --region custom-comparer --session thenby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +``` cs --region thenby-custom --session thenby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Multiple ordering descending + +This sample uses a compound orderby to sort a list of products, first by category, and then by unit price, from highest to lowest. + +``` cs --region thenby-ordering --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Multiple descending order with a custom comparer + +This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. + +``` cs --region custom-comparer --session thenbydesc-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +``` cs --region thenby-custom --session thenbydesc-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Reverse the sequence + +This sample uses Reverse to create a list of all digits in the array whose second letter is 'i' that is reversed from the order in the original array. + +``` cs --region reverse --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Orderby then by »](./orderings-3.md) Previous: [Ordering descending «](./orderings-2.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings.md b/101-linq-samples/docs/orderings.md new file mode 100644 index 0000000..6efaca7 --- /dev/null +++ b/101-linq-samples/docs/orderings.md @@ -0,0 +1,42 @@ +# LINQ - Ordering Operators + +The `orderby` clause of a LINQ query sorts the output sequence. You can control the properties used for sorting, and specify ascending or descending order. + +## orderby sytnax + +This sample uses orderby to sort a list of words alphabetically. + +``` cs --region orderby-syntax --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Orderby using a property + +This sample uses orderby to sort a list of words by length. + +``` cs --region orderby-property --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Ordering user defined types + +This sample uses orderby to sort a list of products by name. + +``` cs --region orderby-user-types --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Ordering with a custom comparer + +This sample uses an OrderBy clause with a custom comparer to do a case-insensitive sort of the words in an array. + +The first block is the custom comparer: + +``` cs --region custom-comparer --session orderby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +The next block shows its usage: + +``` cs --region orderby-custom-comparer --session orderby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Orderby descending »](./orderings-2.md) Previous: [Partitions with conditions «](./partitions-2.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 4963e7a..ceeb49e 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -48,3 +48,17 @@ These operators restrict, or filter, the input sequence to produce an output seq - [Indexed TakeWhile method](docs/partitions-2.md#indexed-takewhile) - [SkipWhile method syntax](docs/partitions-2.md#skipwhile-syntax) - [Indexed SkipWhile method](docs/partitions-2.md#indexed-skipwhile) + +## [Ordering Operators](docs/ordering.md) + +- [Orderby syntax](docs/orderings.md#orderby-syntax) +- [Orderby using a single property](docs/orderings.md#orderby-property) +- [Orderby for user defined types](docs/orderings.md#ordering-user-defined-types) +- [Orderby with a custom compare function](docs/orderings.md#ordering-with-a-custom-comparer) +- [Orderby descending for user defined types](docs/orderings.md#descending-ordering-user-defined-types) +- [Orderby descending with a custom compare function](docs/orderings-2.md#descending-orders-with-a-custom-comparer) +- [Thenby syntax](docs/orderings-3.md#orderby-multiple-properties) +- [Thenby using a comparer](docs/orderings-3.md#multiple-ordering-with-a-custom-comparer) +- [Thenby descending](docs/orderings-3.md#multiple-ordering-descending) +- [Thenby descending using a comparer](docs/orderings-3.md#multiple-descending-order-with-a-custom-comparer) +- [Reverse the input sequence](docs/orderings-3.md#reverse-the-sequence) \ No newline at end of file diff --git a/101-linq-samples/src/DataSources/Products.cs b/101-linq-samples/src/DataSources/Products.cs index 5028840..5069bcb 100644 --- a/101-linq-samples/src/DataSources/Products.cs +++ b/101-linq-samples/src/DataSources/Products.cs @@ -9,6 +9,9 @@ public class Product public string Category { get; set; } public decimal UnitPrice { get; set; } public int UnitsInStock { get; set; } + public override string ToString() => + $"ProductID={ProductID} ProductName={ProductName} Category={Category} UnitPrice={UnitPrice:C2} UnitsInStock={UnitsInStock}"; + } public static class Products diff --git a/101-linq-samples/src/Orderings.cs b/101-linq-samples/src/Orderings.cs new file mode 100644 index 0000000..442bfe5 --- /dev/null +++ b/101-linq-samples/src/Orderings.cs @@ -0,0 +1,230 @@ +using System; +using System.Linq; +using System.Collections.Generic; +using System.Text; + +namespace Try101LinqSamples +{ + public class Orderings + { + public List GetProductList() => Products.ProductList; + + public List GetCustomerList() => Customers.CustomerList; + + public int OrderbySyntax() + { + #region orderby-syntax + string[] words = { "cherry", "apple", "blueberry" }; + + var sortedWords = from word in words + orderby word + select word; + + Console.WriteLine("The sorted list of words:"); + foreach (var w in sortedWords) + { + Console.WriteLine(w); + } + #endregion + return 0; + } + + public int OrderbyProperty() + { + #region orderby-property + string[] words = { "cherry", "apple", "blueberry" }; + + var sortedWords = from word in words + orderby word.Length + select word; + + Console.WriteLine("The sorted list of words (by length):"); + foreach (var w in sortedWords) + { + Console.WriteLine(w); + } + #endregion + return 0; + } + + public int OrderByProducts() + { + #region orderby-user-types + List products = GetProductList(); + + var sortedProducts = from prod in products + orderby prod.ProductName + select prod; + + foreach (var product in sortedProducts) + { + Console.WriteLine(product); + } + #endregion + return 0; + } + + #region custom-comparer + // Custom comparer for use with ordering operators + public class CaseInsensitiveComparer : IComparer + { + public int Compare(string x, string y) => + string.Compare(x, y, StringComparison.OrdinalIgnoreCase); + } + #endregion + + public int OrderByWithCustomComparer() + { + #region orderby-custom-comparer + string[] words = { "aPPLE", "AbAcUs", "bRaNcH", "BlUeBeRrY", "ClOvEr", "cHeRry" }; + + var sortedWords = words.OrderBy(a => a, new CaseInsensitiveComparer()); + + foreach(var word in sortedWords) + { + Console.WriteLine(word); + } + #endregion + return 0; + } + + public int OrderByDescendingSyntax() + { + #region orderbydescending-syntax + double[] doubles = { 1.7, 2.3, 1.9, 4.1, 2.9 }; + + var sortedDoubles = from d in doubles + orderby d descending + select d; + + Console.WriteLine("The doubles from highest to lowest:"); + foreach (var d in sortedDoubles) + { + Console.WriteLine(d); + } + #endregion + return 0; + } + + public int OrderProductsDescending() + { + #region orderby-descending-type + List products = GetProductList(); + + var sortedProducts = from prod in products + orderby prod.UnitsInStock descending + select prod; + + foreach(var product in sortedProducts) + { + Console.WriteLine(product); + } + #endregion + return 0; + } + + public int DescendingCustomComparer() + { + #region desc-custom-comparer + string[] words = { "aPPLE", "AbAcUs", "bRaNcH", "BlUeBeRrY", "ClOvEr", "cHeRry" }; + + var sortedWords = words.OrderByDescending(a => a, new CaseInsensitiveComparer()); + + foreach(var word in sortedWords) + { + Console.WriteLine(word); + } + #endregion + return 0; + } + + public int ThenBySyntax() + { + #region thenby-syntax + string[] digits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + var sortedDigits = from digit in digits + orderby digit.Length, digit + select digit; + + Console.WriteLine("Sorted digits:"); + foreach (var d in sortedDigits) + { + Console.WriteLine(d); + } + #endregion + return 0; + } + + public int ThenByCustom() + { + #region thenby-custom + string[] words = { "aPPLE", "AbAcUs", "bRaNcH", "BlUeBeRrY", "ClOvEr", "cHeRry" }; + + var sortedWords = words + .OrderBy(a => a.Length) + .ThenBy(a => a, new CaseInsensitiveComparer()); + + foreach(var word in sortedWords) + { + Console.WriteLine(word); + } + #endregion + return 0; + } + + public int ThenByDifferentOrdering() + { + #region thenby-ordering + List products = GetProductList(); + + var sortedProducts = from prod in products + orderby prod.Category, prod.UnitPrice descending + select prod; + + foreach(var product in sortedProducts) + { + Console.WriteLine(product); + } + #endregion + return 0; + } + + public int CustomThenByDescending() + { + #region thenby-custom-descending + string[] words = { "aPPLE", "AbAcUs", "bRaNcH", "BlUeBeRrY", "ClOvEr", "cHeRry" }; + + var sortedWords = words + .OrderBy(a => a.Length) + .ThenByDescending(a => a, new CaseInsensitiveComparer()); + + foreach (var word in sortedWords) + { + Console.WriteLine(word); + } + #endregion + return 0; + } + + public int OrderingReversal() + { + #region reverse + string[] digits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + var reversedIDigits = ( + from digit in digits + where digit[1] == 'i' + select digit) + .Reverse(); + + Console.WriteLine("A backwards list of the digits with a second character of 'i':"); + foreach (var d in reversedIDigits) + { + Console.WriteLine(d); + } + #endregion + return 0; + } + } +} diff --git a/101-linq-samples/src/Partitions.cs b/101-linq-samples/src/Partitions.cs index 5d7402d..69ea362 100644 --- a/101-linq-samples/src/Partitions.cs +++ b/101-linq-samples/src/Partitions.cs @@ -1,7 +1,6 @@ using System; using System.Collections.Generic; using System.Linq; -using System.Text; namespace Try101LinqSamples { diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index f5005ef..8887df3 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -51,14 +51,35 @@ static int Main( "skipwhile-syntax" => new Partitions().SkipWhileSyntax(), "indexed-skipwhile" => new Partitions().IndexedSkipWhile(), - null => RunAll(), - _ => MissingRegionTag(region), + "orderby-syntax" => new Orderings().OrderbySyntax(), + "orderby-property" => new Orderings().OrderbyProperty(), + "orderby-user-types" => new Orderings().OrderByProducts(), + "custom-comparer" => session switch + { + "orderby-custom" => new Orderings().OrderByWithCustomComparer(), + "descending-custom" => new Orderings().DescendingCustomComparer(), + "thenby-custom" => new Orderings().ThenByCustom(), + "thenbydesc-custom" => new Orderings().CustomThenByDescending(), + _ => MissingTag(session, false), + }, + "orderby-custom-comparer" => new Orderings().OrderByWithCustomComparer(), + "orderbydescending-syntax" => new Orderings().OrderByDescendingSyntax(), + "orderby-descending-type" => new Orderings().OrderProductsDescending(), + "desc-custom-comparer" => new Orderings().DescendingCustomComparer(), + "thenby-syntax" => new Orderings().ThenBySyntax(), + "thenby-custom" => new Orderings().ThenByCustom(), + "thenby-ordering" => new Orderings().ThenByDifferentOrdering(), + "thenby-custom-descending" => new Orderings().CustomThenByDescending(), + "reverse" => new Orderings().OrderingReversal(), + + null => RunAll(), + _ => MissingTag(region), }; } - private static int MissingRegionTag(string region) + private static int MissingTag(string tag, bool region = true) { - Console.WriteLine($"No code snippet configured for {region}"); + Console.WriteLine($"No code snippet configured for {(region ? "region" : "session")}: {tag}"); return 1; } private static int RunAll() @@ -98,6 +119,19 @@ private static int RunAll() new Partitions().SkipWhileSyntax(); new Partitions().IndexedSkipWhile(); + // Ordering: 28-39 + new Orderings().OrderbySyntax(); + new Orderings().OrderbyProperty(); + new Orderings().OrderByProducts(); + new Orderings().OrderByWithCustomComparer(); + new Orderings().OrderByDescendingSyntax(); + new Orderings().OrderProductsDescending(); + new Orderings().DescendingCustomComparer(); + new Orderings().ThenBySyntax(); + new Orderings().ThenByCustom(); + new Orderings().ThenByDifferentOrdering(); + new Orderings().CustomThenByDescending(); + new Orderings().OrderingReversal(); return 0; } } From f14ffa211c3bdeefbd0b7ac11c950af5de1fab43 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Wed, 4 Sep 2019 15:46:14 -0400 Subject: [PATCH 09/23] Update the ordering samples Update the ordering samples so that this doesn't mix samples with a shared session with samples in different sessions. --- 101-linq-samples/docs/orderings-2.md | 14 -------------- 101-linq-samples/docs/orderings-3.md | 22 +--------------------- 101-linq-samples/docs/orderings-4.md | 24 ++++++++++++++++++++++++ 101-linq-samples/docs/orderings-5.md | 24 ++++++++++++++++++++++++ 101-linq-samples/docs/orderings.md | 14 -------------- 101-linq-samples/readme.md | 13 +++++++------ 101-linq-samples/src/Program.cs | 10 +++++----- 7 files changed, 61 insertions(+), 60 deletions(-) create mode 100644 101-linq-samples/docs/orderings-4.md create mode 100644 101-linq-samples/docs/orderings-5.md diff --git a/101-linq-samples/docs/orderings-2.md b/101-linq-samples/docs/orderings-2.md index f8f68a4..5505dda 100644 --- a/101-linq-samples/docs/orderings-2.md +++ b/101-linq-samples/docs/orderings-2.md @@ -16,20 +16,6 @@ This sample uses orderby to sort a list of products by units in stock from highe ``` cs --region orderby-descending-type --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` -## Descending orders with a custom comparer - -This sample uses an OrderBy clause with a custom comparer to do a case-insensitive descending sort of the words in an array. - -The first block is the custom comparer: - -``` cs --region custom-comparer --session descending-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - -The next block shows its usage: - -``` cs --region desc-custom-comparer --session descending-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - **Next: [Orderby then by »](./orderings-3.md) Previous: [Ordering «](./orderings.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings-3.md b/101-linq-samples/docs/orderings-3.md index 511c3ef..a0be622 100644 --- a/101-linq-samples/docs/orderings-3.md +++ b/101-linq-samples/docs/orderings-3.md @@ -9,16 +9,6 @@ This sample uses a compound orderby to sort a list of digits, first by length of ``` cs --region thenby-syntax --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` -## Multiple ordering with a custom comparer - -This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. - -``` cs --region custom-comparer --session thenby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - -``` cs --region thenby-custom --session thenby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - ## Multiple ordering descending This sample uses a compound orderby to sort a list of products, first by category, and then by unit price, from highest to lowest. @@ -26,16 +16,6 @@ This sample uses a compound orderby to sort a list of products, first by categor ``` cs --region thenby-ordering --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` -## Multiple descending order with a custom comparer - -This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. - -``` cs --region custom-comparer --session thenbydesc-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - -``` cs --region thenby-custom --session thenbydesc-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - ## Reverse the sequence This sample uses Reverse to create a list of all digits in the array whose second letter is 'i' that is reversed from the order in the original array. @@ -43,6 +23,6 @@ This sample uses Reverse to create a list of all digits in the array whose secon ``` cs --region reverse --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Orderby then by »](./orderings-3.md) Previous: [Ordering descending «](./orderings-2.md)** +**Next: [Custom comparisons »](./orderings-4.md) Previous: [Ordering descending «](./orderings-2.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings-4.md b/101-linq-samples/docs/orderings-4.md new file mode 100644 index 0000000..db49d6f --- /dev/null +++ b/101-linq-samples/docs/orderings-4.md @@ -0,0 +1,24 @@ +# Using a custom comparer + +The samples on this page use the following custom comparer: + +``` cs --region custom-comparer --session orderby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Ordering with a custom comparer + +This sample orders the customers using the custom comparer + +``` cs --region orderby-custom-comparer --session orderby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Descending orders with a custom comparer + +This sample uses an OrderBy clause with a custom comparer to do a case-insensitive descending sort of the words in an array. + +``` cs --region desc-custom-comparer --session orderby-custom-descending --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Custom comparisons »](./orderings-5.md) Previous: [Orderby thenby «](./orderings-3.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings-5.md b/101-linq-samples/docs/orderings-5.md new file mode 100644 index 0000000..32dace5 --- /dev/null +++ b/101-linq-samples/docs/orderings-5.md @@ -0,0 +1,24 @@ +# Using a custom comparer on multiple sort orderings + +The samples on this page use the following custom comparer: + +``` cs --region custom-comparer --session orderby-custom-thenby --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Multiple ordering with a custom comparer + +This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. + +``` cs --region thenby-custom --session orderby-custom-thenby --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Multiple descending order with a custom comparer + +This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. + +``` cs --region thenby-custom-descending --session orderby-custom-descending-thenby --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Custom comparisons with ThenBy »](./orderings-5.md) Previous: [Custom comparisons «](./orderings-4.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings.md b/101-linq-samples/docs/orderings.md index 6efaca7..d69aaca 100644 --- a/101-linq-samples/docs/orderings.md +++ b/101-linq-samples/docs/orderings.md @@ -23,20 +23,6 @@ This sample uses orderby to sort a list of products by name. ``` cs --region orderby-user-types --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` -## Ordering with a custom comparer - -This sample uses an OrderBy clause with a custom comparer to do a case-insensitive sort of the words in an array. - -The first block is the custom comparer: - -``` cs --region custom-comparer --session orderby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - -The next block shows its usage: - -``` cs --region orderby-custom-comparer --session orderby-custom --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj -``` - **Next: [Orderby descending »](./orderings-2.md) Previous: [Partitions with conditions «](./partitions-2.md)** **[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index ceeb49e..abcd7fd 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -54,11 +54,12 @@ These operators restrict, or filter, the input sequence to produce an output seq - [Orderby syntax](docs/orderings.md#orderby-syntax) - [Orderby using a single property](docs/orderings.md#orderby-property) - [Orderby for user defined types](docs/orderings.md#ordering-user-defined-types) -- [Orderby with a custom compare function](docs/orderings.md#ordering-with-a-custom-comparer) -- [Orderby descending for user defined types](docs/orderings.md#descending-ordering-user-defined-types) -- [Orderby descending with a custom compare function](docs/orderings-2.md#descending-orders-with-a-custom-comparer) +- [Orderby descending syntax](docs/orderings-2.md#orderby-descending-sytnax) +- [Orderby descending for user defined types](docs/orderings-2.md#descending-ordering-user-defined-types) - [Thenby syntax](docs/orderings-3.md#orderby-multiple-properties) -- [Thenby using a comparer](docs/orderings-3.md#multiple-ordering-with-a-custom-comparer) - [Thenby descending](docs/orderings-3.md#multiple-ordering-descending) -- [Thenby descending using a comparer](docs/orderings-3.md#multiple-descending-order-with-a-custom-comparer) -- [Reverse the input sequence](docs/orderings-3.md#reverse-the-sequence) \ No newline at end of file +- [Reverse the input sequence](docs/orderings-3.md#reverse-the-sequence) +- [Orderby with a custom compare function](docs/orderings-4.md#ordering-with-a-custom-comparer) +- [Orderby descending with a custom compare function](docs/orderings-4.md#descending-orders-with-a-custom-comparer) +- [Thenby using a comparer](docs/orderings-5.md#multiple-ordering-with-a-custom-comparer) +- [Thenby descending using a comparer](docs/orderings-5.md#multiple-descending-order-with-a-custom-comparer) diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 8887df3..f587578 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -56,11 +56,11 @@ static int Main( "orderby-user-types" => new Orderings().OrderByProducts(), "custom-comparer" => session switch { - "orderby-custom" => new Orderings().OrderByWithCustomComparer(), - "descending-custom" => new Orderings().DescendingCustomComparer(), - "thenby-custom" => new Orderings().ThenByCustom(), - "thenbydesc-custom" => new Orderings().CustomThenByDescending(), - _ => MissingTag(session, false), + "orderby-custom" => new Orderings().OrderByWithCustomComparer(), + "orderby-custom-descending" => new Orderings().DescendingCustomComparer(), + "orderby-custom-thenby" => new Orderings().ThenByCustom(), + "orderby-custom-descending-thenby" => new Orderings().CustomThenByDescending(), + _ => MissingTag(session, false), }, "orderby-custom-comparer" => new Orderings().OrderByWithCustomComparer(), "orderbydescending-syntax" => new Orderings().OrderByDescendingSyntax(), From 8dd841d8275fe8223976ee1e74b405e83cac01a3 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Wed, 4 Sep 2019 18:12:27 -0400 Subject: [PATCH 10/23] switching machines --- 101-linq-samples/readme.md | 38 +++++++++++++++++++++----------------- 1 file changed, 21 insertions(+), 17 deletions(-) diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index abcd7fd..0d82779 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -7,34 +7,38 @@ Learn how to use LINQ in your applications with these code samples, covering the entire range of LINQ functionality and demonstrating LINQ with objects, Entity Framework, and XML. -## Lessons in this tutorial +## Exploring LINQ using this tutorial -These lessons are organized according to the operations used: +This tutorial starts with the [fundamentals of LINQ](docs/restrictions.md). You can follow each page in order to explore all the elements of LINQ. Following step-by-step lets you explore LINQ from these fundamental queries through more complicated queries, up to the most complex uses. + +Alternatively, if you've got some exposure to LINQ, you can jump to a specific section to refresh your knowledge, or learn techniques you aren't familiar with. Here is the full list of samples: ### [Restriction operators](docs/restrictions.md) -These operators restrict, or filter, the input sequence to produce an output sequence. +The `where` keyword or `Where` method provide this capability. These operators restrict, or filter, the input sequence to produce an output sequence. -- [Where clause syntax](docs/restrictions.md#where-clause-syntax) -- [Where clause using a property](docs/restrictions.md#restrict-elements-based-on-a-property) -- [Where clause with multiple conditions](docs/restrictions.md#restrict-elements-based-on-multiple-conditions) -- [Where clause drilldown into results](docs/restrictions.md#drilldown-into-output-elements) -- [Where clause with element index](docs/restrictions.md#using-the-indexed-where-method) +- [Your first query](docs/restrictions.md#where-clause-syntax) +- [Filter using a property of the input sequence](docs/restrictions.md#restrict-elements-based-on-a-property) +- [Filter using multiple conditions](docs/restrictions.md#restrict-elements-based-on-multiple-conditions) +- [Filter and drilldown into the output elements](docs/restrictions.md#drilldown-into-output-elements) +- [Filter using the input sequence index](docs/restrictions.md#using-the-indexed-where-method) ### [Projection operators](docs/projections.md) -- [Select clause syntax](docs/projections.md#select-clause-syntax) -- [Select a single property](docs/projections.md#select-a-single-property) -- [Transform types with select](docs/projections.md#transform-with-select) -- [Select a new type](docs/projections-2.md#select-anonymous-types-or-tuples) +The `select` keyword or `Select` method provide this capability. These operators create output sequence elements from input sequence elements. The output elements may be either the same or different types. + +- [Fundamentals of select](docs/projections.md#select-clause-syntax) +- [Select one property the input elements](docs/projections.md#select-a-single-property) +- [Transform to an element of another sequence](docs/projections.md#transform-with-select) +- [Select anonymous types or tuples](docs/projections-2.md#select-anonymous-types-or-tuples) - [Create new types with select](docs/projections-2.md#use-select-to-create-new-types) -- [Select a subset of properties](docs/projections-2.md#select-a-subset-of-properties) -- [Select including the index of source item](docs/projections-3.md#select-with-index-of-item) +- [Select a subset of properties into a new type](docs/projections-2.md#select-a-subset-of-properties) +- [Select the index of source item](docs/projections-3.md#select-with-index-of-item) - [Combine select and where](docs/projections-3.md#select-combined-with-where) -- [Select from multiple sequences](docs/projections-4.md#select-from-multiple-input-sequences) +- [Combine multiple input sequences](docs/projections-4.md#select-from-multiple-input-sequences) - [Select from related input sequences](docs/projections-4.md#select-from-related-input-sequences) -- [Select multiple sequences with where](docs/projections-4.md#compound-select-with-where-clause) -- [Select many with assignment](docs/projections-5.md#compound-select-with-where-and-assignment) +- [Select multiple sequences with filters](docs/projections-4.md#compound-select-with-where-clause) +- [Select from related sequences ](docs/projections-5.md#compound-select-with-where-and-assignment) - [Select many with multiple filters](docs/projections-5.md#compound-select-with-multiple-where-clauses) - [Select many with element index](docs/projections-5.md#compound-select-with-index) From 782f03c768a740675ea79fc7b205a3d742e70f86 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 5 Sep 2019 17:11:53 -0400 Subject: [PATCH 11/23] Add the grouping samples. --- 101-linq-samples/docs/groupings-2.md | 18 ++ 101-linq-samples/docs/groupings-3.md | 18 ++ 101-linq-samples/docs/groupings.md | 35 ++++ 101-linq-samples/docs/orderings-4.md | 2 +- 101-linq-samples/docs/orderings-5.md | 2 +- 101-linq-samples/readme.md | 11 +- 101-linq-samples/src/DataSources/Customers.cs | 5 +- .../src/DataSources/InputValues.cs | 69 ------- 101-linq-samples/src/Groupings.cs | 176 ++++++++++++++++++ 101-linq-samples/src/Orderings.cs | 3 +- 101-linq-samples/src/Program.cs | 36 +++- 11 files changed, 292 insertions(+), 83 deletions(-) create mode 100644 101-linq-samples/docs/groupings-2.md create mode 100644 101-linq-samples/docs/groupings-3.md create mode 100644 101-linq-samples/docs/groupings.md create mode 100644 101-linq-samples/src/Groupings.cs diff --git a/101-linq-samples/docs/groupings-2.md b/101-linq-samples/docs/groupings-2.md new file mode 100644 index 0000000..b96e8a1 --- /dev/null +++ b/101-linq-samples/docs/groupings-2.md @@ -0,0 +1,18 @@ +# LINQ - Grouping Operators with custom comparer + +The `group by` and `into` can use custom comparers to separate groups. + +These samples use the following custom comparer. It compares two strings to see if they are anagrams. (Anagrams are pairs of words formed from the same letters.) + +``` cs --region custom-comparer --session groupby-custom-comparer --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Groupby with a custom comparer + + +``` cs --region groupby-custom-comparer --session groupby-custom-comparer --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Nested groupings with a custom comparer »](./groupings-2.md) Previous: [Groupings «](./orderings.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/groupings-3.md b/101-linq-samples/docs/groupings-3.md new file mode 100644 index 0000000..742f9a7 --- /dev/null +++ b/101-linq-samples/docs/groupings-3.md @@ -0,0 +1,18 @@ +# LINQ - Nested Grouping Operators with custom comparer + +The `group by` and `into` can use custom comparers to separate groups. These queries can be nested. + +These samples use the following custom comparer. It compares two strings to see if they are anagrams. (Anagrams are pairs of words formed from the same letters.) + +``` cs --region custom-comparer --session nested-groupby-custom --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Groupby with a custom comparer + + +``` cs --region nested-groupby-custom --session nested-groupby-custom --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Nested groupings with a custom comparer »](./groupings-2.md) Previous: [Groupings with a custom comparer «](./orderings-2.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/groupings.md b/101-linq-samples/docs/groupings.md new file mode 100644 index 0000000..93b2f62 --- /dev/null +++ b/101-linq-samples/docs/groupings.md @@ -0,0 +1,35 @@ +# LINQ - Grouping Operators + +The `group by` and `into` keywords provide grouping constructs to organize elements of the input sequence into buckets. + +## Group by into syntax + +This sample demonstrates the use of `group by` and `into` to create buckets based on the remainder of an integer when dividing it by 5. + +``` cs --region groupby-syntax --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Groupby using a property + +This sample uses group by to partition a list of words by their first letter. + +``` cs --region groupby-property --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Grouping using a key property + +This sample uses group by to partition a list of products by category. + +``` cs --region groupby-category --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +## Nested group by queries + +This sample demonstrates the use of `group by` and `into` nested buckets of orders by customer, year, and month. The result + +``` cs --region nested-groupby --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Grouping with a custom comparer »](./groupings-2.md) Previous: [Nested custom comparisons «](./orderings-5.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings-4.md b/101-linq-samples/docs/orderings-4.md index db49d6f..e861e6e 100644 --- a/101-linq-samples/docs/orderings-4.md +++ b/101-linq-samples/docs/orderings-4.md @@ -19,6 +19,6 @@ This sample uses an OrderBy clause with a custom comparer to do a case-insensiti ``` cs --region desc-custom-comparer --session orderby-custom-descending --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Custom comparisons »](./orderings-5.md) Previous: [Orderby thenby «](./orderings-3.md)** +**Next: [Nested custom comparisons »](./orderings-5.md) Previous: [Orderby thenby «](./orderings-3.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/orderings-5.md b/101-linq-samples/docs/orderings-5.md index 32dace5..c79dade 100644 --- a/101-linq-samples/docs/orderings-5.md +++ b/101-linq-samples/docs/orderings-5.md @@ -19,6 +19,6 @@ This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort f ``` cs --region thenby-custom-descending --session orderby-custom-descending-thenby --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Custom comparisons with ThenBy »](./orderings-5.md) Previous: [Custom comparisons «](./orderings-4.md)** +**Next: [Grouping operators »](./groupings.md) Previous: [Custom comparisons «](./orderings-4.md)** **[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 0d82779..e868a44 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -53,7 +53,7 @@ The `select` keyword or `Select` method provide this capability. These operators - [SkipWhile method syntax](docs/partitions-2.md#skipwhile-syntax) - [Indexed SkipWhile method](docs/partitions-2.md#indexed-skipwhile) -## [Ordering Operators](docs/ordering.md) +## [Ordering operators](docs/ordering.md) - [Orderby syntax](docs/orderings.md#orderby-syntax) - [Orderby using a single property](docs/orderings.md#orderby-property) @@ -67,3 +67,12 @@ The `select` keyword or `Select` method provide this capability. These operators - [Orderby descending with a custom compare function](docs/orderings-4.md#descending-orders-with-a-custom-comparer) - [Thenby using a comparer](docs/orderings-5.md#multiple-ordering-with-a-custom-comparer) - [Thenby descending using a comparer](docs/orderings-5.md#multiple-descending-order-with-a-custom-comparer) + +## [Grouping operators](docs/groupings.md) + +- [Group by syntax](docs/groupings.md#group-by-into-syntax) +- [Group by using a property](docs/groupings.md#groupby-using-a-property) +- [Group by using a key property](docs/groupings.md#grouping-using-a-key-property) +- [Nested group by queries](docs/groupings.md#nested-group-by-queries) +- [Group by using a custom comparer](docs/groupings-2.md) +- [Nested group by using a custom comparer](docs/groupings-3.md) \ No newline at end of file diff --git a/101-linq-samples/src/DataSources/Customers.cs b/101-linq-samples/src/DataSources/Customers.cs index 93b9ae5..87e7318 100644 --- a/101-linq-samples/src/DataSources/Customers.cs +++ b/101-linq-samples/src/DataSources/Customers.cs @@ -15,8 +15,9 @@ public class Customer public string PostalCode { get; set; } public string Country { get; set; } public string Phone { get; set; } - public string Fax { get; set; } public Order[] Orders { get; set; } + public override string ToString() => + $"{CustomerID} {CompanyName}\n{Address}\n{City}, {Region} {PostalCode} {Country}\n{Phone}"; } public class Order @@ -24,6 +25,7 @@ public class Order public int OrderID { get; set; } public DateTime OrderDate { get; set; } public decimal Total { get; set; } + public override string ToString() => $"{OrderID}: {OrderDate:d} for {Total:C2}"; } public static class Customers @@ -40,7 +42,6 @@ public static class Customers PostalCode = (string)e.Element("postalcode"), Country = (string)e.Element("country"), Phone = (string)e.Element("phone"), - Fax = (string)e.Element("fax"), Orders = ( from o in e.Elements("orders").Elements("order") select new Order diff --git a/101-linq-samples/src/DataSources/InputValues.cs b/101-linq-samples/src/DataSources/InputValues.cs index 407aab6..c2c7817 100644 --- a/101-linq-samples/src/DataSources/InputValues.cs +++ b/101-linq-samples/src/DataSources/InputValues.cs @@ -14,7 +14,6 @@ public static class InputValues 12209 Germany 030-0074321 - 030-0076545 10643 @@ -56,7 +55,6 @@ public static class InputValues 05021 Mexico (5) 555-4729 - (5) 555-3745 10308 @@ -134,7 +132,6 @@ public static class InputValues WA1 1DP UK (171) 555-7788 - (171) 555-6750 10355 @@ -211,7 +208,6 @@ public static class InputValues S-958 22 Sweden 0921-12 34 65 - 0921-12 34 67 10278 @@ -313,7 +309,6 @@ public static class InputValues 68306 Germany 0621-08460 - 0621-08924 10501 @@ -360,7 +355,6 @@ public static class InputValues 67000 France 88.60.15.31 - 88.60.15.32 10265 @@ -427,7 +421,6 @@ public static class InputValues 28023 Spain (91) 555 22 82 - (91) 555 91 99 10326 @@ -454,7 +447,6 @@ public static class InputValues 13008 France 91.24.45.40 - 91.24.45.41 10331 @@ -552,7 +544,6 @@ public static class InputValues T2F 8M4 Canada (604) 555-4729 - (604) 555-3745 10389 @@ -695,7 +686,6 @@ public static class InputValues 1010 Argentina (1) 135-5555 - (1) 135-4892 10521 @@ -737,7 +727,6 @@ public static class InputValues 05022 Mexico (5) 555-3392 - (5) 555-7293 10259 @@ -842,7 +831,6 @@ public static class InputValues WX1 6LT UK (171) 555-2282 - (171) 555-9199 10435 @@ -869,7 +857,6 @@ public static class InputValues 52066 Germany 0241-039123 - 0241-059428 10363 @@ -911,7 +898,6 @@ public static class InputValues 44000 France 40.67.88.88 - 40.67.89.89 10311 @@ -943,7 +929,6 @@ public static class InputValues WX3 6FW UK (171) 555-0297 - (171) 555-3373 10364 @@ -995,7 +980,6 @@ public static class InputValues 8010 Austria 7675-3425 - 7675-3426 10258 @@ -1204,7 +1188,6 @@ public static class InputValues 28034 Spain (91) 555 94 44 - (91) 555 55 93 @@ -1215,7 +1198,6 @@ public static class InputValues 59000 France 20.16.10.16 - 20.16.10.17 10408 @@ -1358,7 +1340,6 @@ public static class InputValues 80805 Germany 089-0877310 - 089-0877451 10267 @@ -1445,7 +1426,6 @@ public static class InputValues 44000 France 40.32.21.21 - 40.32.21.20 10671 @@ -1472,7 +1452,6 @@ public static class InputValues 10100 Italy 011-4988260 - 011-4988261 10422 @@ -1514,7 +1493,6 @@ public static class InputValues 1675 Portugal (1) 354-2534 - (1) 354-2535 10328 @@ -1566,7 +1544,6 @@ public static class InputValues 08022 Spain (93) 203 4560 - (93) 203 4561 10366 @@ -1789,7 +1766,6 @@ public static class InputValues 1081 Venezuela (2) 283-2951 - (2) 283-3397 10268 @@ -1812,7 +1788,6 @@ public static class InputValues 05454-876 Brazil (21) 555-0091 - (21) 555-8765 10250 @@ -1895,7 +1870,6 @@ public static class InputValues 5022 Venezuela (5) 555-1340 - (5) 555-1948 10257 @@ -1998,7 +1972,6 @@ public static class InputValues 97827 USA (503) 555-6874 - (503) 555-2376 10375 @@ -2035,7 +2008,6 @@ public static class InputValues Co.Cork Ireland 2967 542 - 2967 3333 10298 @@ -2285,7 +2257,6 @@ public static class InputValues 78000 France 30.59.84.10 - 30.59.85.11 10858 @@ -2317,7 +2288,6 @@ public static class InputValues 31000 France 61.77.61.10 - 61.77.61.11 10350 @@ -2400,7 +2370,6 @@ public static class InputValues V3F 2K1 Canada (604) 555-3392 - (604) 555-7293 10495 @@ -2428,7 +2397,6 @@ public static class InputValues 99362 USA (509) 555-7969 - (509) 555-6221 10482 @@ -2450,7 +2418,6 @@ public static class InputValues 60528 Germany 069-0245984 - 069-0245874 10279 @@ -2570,7 +2537,6 @@ public static class InputValues 3508 Venezuela (9) 331-6954 - (9) 331-7256 10283 @@ -2653,7 +2619,6 @@ public static class InputValues 4980 Venezuela (8) 34-56-12 - (8) 34-93-93 10405 @@ -2726,7 +2691,6 @@ public static class InputValues 97219 USA (503) 555-9573 - (503) 555-9646 10307 @@ -2778,7 +2742,6 @@ public static class InputValues 24100 Italy 035-640230 - 035-640231 10275 @@ -2840,7 +2803,6 @@ public static class InputValues B-1180 Belgium (02) 201 24 67 - (02) 201 24 68 10529 @@ -2888,7 +2850,6 @@ public static class InputValues H1J 1C3 Canada (514) 555-8054 - (514) 555-8055 10332 @@ -3001,7 +2962,6 @@ public static class InputValues SW7 1RZ UK (171) 555-7733 - (171) 555-2530 10517 @@ -3028,7 +2988,6 @@ public static class InputValues 1010 Argentina (1) 135-5333 - (1) 135-5535 10409 @@ -3066,7 +3025,6 @@ public static class InputValues 99508 USA (907) 555-7584 - (907) 555-2880 10260 @@ -3128,7 +3086,6 @@ public static class InputValues 50739 Germany 0221-0644327 - 0221-0765721 10407 @@ -3185,7 +3142,6 @@ public static class InputValues 75012 France (1) 42.34.22.66 - (1) 42.34.22.77 @@ -3196,7 +3152,6 @@ public static class InputValues 05033 Mexico (5) 552-3745 - (5) 545-3745 10322 @@ -3238,7 +3193,6 @@ public static class InputValues 5020 Austria 6562-9722 - 6562-9723 10353 @@ -3342,7 +3296,6 @@ public static class InputValues 02389-673 Brazil (21) 555-4252 - (21) 555-4545 10261 @@ -3627,7 +3580,6 @@ public static class InputValues 1010 Argentina (1) 123-5555 - (1) 123-5556 10448 @@ -3665,7 +3617,6 @@ public static class InputValues 87110 USA (505) 555-5939 - (505) 555-3620 10262 @@ -3767,7 +3718,6 @@ public static class InputValues 42100 Italy 0522-556721 - 0522-556722 10288 @@ -3967,7 +3917,6 @@ public static class InputValues 28001 Spain (91) 745 6200 - (91) 745 6210 10281 @@ -4004,7 +3953,6 @@ public static class InputValues 4110 Norway 07-98 92 35 - 07-98 92 47 10387 @@ -4213,7 +4161,6 @@ public static class InputValues OX15 4NB UK (171) 555-1717 - (171) 555-5646 10359 @@ -4270,7 +4217,6 @@ public static class InputValues 1734 Denmark 31 12 34 56 - 31 13 35 57 10341 @@ -4317,7 +4263,6 @@ public static class InputValues 75016 France (1) 47.55.60.10 - (1) 47.55.60.20 10738 @@ -4350,7 +4295,6 @@ public static class InputValues 82520 USA (307) 555-4680 - (307) 555-6525 10271 @@ -4407,7 +4351,6 @@ public static class InputValues B-6000 Belgium (071) 23 67 22 20 - (071) 23 67 22 21 10252 @@ -4512,7 +4455,6 @@ public static class InputValues 59801 USA (406) 555-5834 - (406) 555-8083 10624 @@ -4539,7 +4481,6 @@ public static class InputValues 44087 Germany 0251-031259 - 0251-035695 10438 @@ -4638,7 +4579,6 @@ public static class InputValues 05634-030 Brazil (11) 555-2167 - (11) 555-2168 10249 @@ -4686,7 +4626,6 @@ public static class InputValues 98034 USA (206) 555-8257 - (206) 555-2174 10574 @@ -4713,7 +4652,6 @@ public static class InputValues 8200 Denmark 86 21 32 43 - 86 22 33 44 10367 @@ -4780,7 +4718,6 @@ public static class InputValues 69004 France 78.32.54.86 - 78.32.54.87 10251 @@ -4842,7 +4779,6 @@ public static class InputValues 51100 France 26.47.15.10 - 26.47.15.11 10274 @@ -4874,7 +4810,6 @@ public static class InputValues 70563 Germany 0711-020361 - 0711-035428 10301 @@ -4936,7 +4871,6 @@ public static class InputValues 90110 Finland 981-443655 - 981-443655 10266 @@ -5081,7 +5015,6 @@ public static class InputValues 98128 USA (206) 555-4112 - (206) 555-4115 10269 @@ -5163,7 +5096,6 @@ public static class InputValues 21240 Finland 90-224 8858 - 90-224 8858 10248 @@ -5215,7 +5147,6 @@ public static class InputValues 01-012 Poland (26) 642-7012 - (26) 642-7012 10374 diff --git a/101-linq-samples/src/Groupings.cs b/101-linq-samples/src/Groupings.cs new file mode 100644 index 0000000..eaec428 --- /dev/null +++ b/101-linq-samples/src/Groupings.cs @@ -0,0 +1,176 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace Try101LinqSamples +{ + public class Groupings + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + + public int GroupingSyntax() + { + #region groupby-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + var numberGroups = from n in numbers + group n by n % 5 into g + select (Remainder: g.Key, Numbers: g); + + foreach (var g in numberGroups) + { + Console.WriteLine($"Numbers with a remainder of {g.Remainder} when divided by 5:"); + foreach (var n in g.Numbers) + { + Console.WriteLine(n); + } + } + #endregion + return 0; + } + + public int GroupByProperty() + { + #region groupby-property + string[] words = { "blueberry", "chimpanzee", "abacus", "banana", "apple", "cheese" }; + + var wordGroups = from w in words + group w by w[0] into g + select (FirstLetter: g.Key, Words: g); + + foreach (var g in wordGroups) + { + Console.WriteLine("Words that start with the letter '{0}':", g.FirstLetter); + foreach (var w in g.Words) + { + Console.WriteLine(w); + } + } + #endregion + return 0; + } + + public int GroupByCategory() + { + #region groupby-category + List products = GetProductList(); + + var orderGroups = from p in products + group p by p.Category into g + select (Category: g.Key, Products: g); + + foreach(var orderGroup in orderGroups) + { + Console.WriteLine($"Products in {orderGroup.Category} category:"); + foreach(var product in orderGroup.Products) + { + Console.WriteLine($"\t{product}"); + } + } + #endregion + return 0; + } + + public int NestedGrouBy() + { + #region nested-groupby + List customers = GetCustomerList(); + + var customerOrderGroups = from c in customers + select + ( + c.CompanyName, + YearGroups: from o in c.Orders + group o by o.OrderDate.Year into yg + select + ( + Year: yg.Key, + MonthGroups: from o in yg + group o by o.OrderDate.Month into mg + select (Month: mg.Key, Orders: mg) + ) + ); + + foreach( var ordersByCustomer in customerOrderGroups) + { + Console.WriteLine($"Customer Name: {ordersByCustomer.CompanyName}"); + foreach(var ordersByYear in ordersByCustomer.YearGroups) + { + Console.WriteLine($"\tYear: {ordersByYear.Year}"); + foreach(var ordersByMonth in ordersByYear.MonthGroups) + { + Console.WriteLine($"\t\tMonth: {ordersByMonth.Month}"); + foreach(var order in ordersByMonth.Orders) + { + Console.WriteLine($"\t\t\tOrder: {order}"); + } + } + } + } + #endregion + return 0; + } + + public int GroupByCustomComparer() + { + #region groupby-custom-comparer + string[] anagrams = { "from ", " salt", " earn ", " last ", " near ", " form " }; + + var orderGroups = anagrams.GroupBy(w => w.Trim(), new AnagramEqualityComparer()); + + foreach(var set in orderGroups) + { + // The key would be the first item in the set + foreach(var word in set) + { + Console.WriteLine(word); + } + Console.WriteLine("..."); + } + #endregion + return 0; + } + + public int NestedGroupByCustom() + { + #region nested-groupby-custom + string[] anagrams = { "from ", " salt", " earn ", " last ", " near ", " form " }; + + var orderGroups = anagrams.GroupBy( + w => w.Trim(), + a => a.ToUpper(), + new AnagramEqualityComparer() + ); + foreach (var set in orderGroups) + { + Console.WriteLine(set.Key); + foreach (var word in set) + { + Console.WriteLine($"\t{word}"); + } + } + + #endregion + return 0; + } + } + + #region anagram-comparer + public class AnagramEqualityComparer : IEqualityComparer + { + public bool Equals(string x, string y) => getCanonicalString(x) == getCanonicalString(y); + + public int GetHashCode(string obj) => getCanonicalString(obj).GetHashCode(); + + private string getCanonicalString(string word) + { + char[] wordChars = word.ToCharArray(); + Array.Sort(wordChars); + return new string(wordChars); + } + } + #endregion +} diff --git a/101-linq-samples/src/Orderings.cs b/101-linq-samples/src/Orderings.cs index 442bfe5..d3fc7ab 100644 --- a/101-linq-samples/src/Orderings.cs +++ b/101-linq-samples/src/Orderings.cs @@ -1,7 +1,6 @@ using System; -using System.Linq; +using System.Linq; using System.Collections.Generic; -using System.Text; namespace Try101LinqSamples { diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index f587578..993b0f9 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -55,13 +55,13 @@ static int Main( "orderby-property" => new Orderings().OrderbyProperty(), "orderby-user-types" => new Orderings().OrderByProducts(), "custom-comparer" => session switch - { - "orderby-custom" => new Orderings().OrderByWithCustomComparer(), - "orderby-custom-descending" => new Orderings().DescendingCustomComparer(), - "orderby-custom-thenby" => new Orderings().ThenByCustom(), - "orderby-custom-descending-thenby" => new Orderings().CustomThenByDescending(), - _ => MissingTag(session, false), - }, + { + "orderby-custom" => new Orderings().OrderByWithCustomComparer(), + "orderby-custom-descending" => new Orderings().DescendingCustomComparer(), + "orderby-custom-thenby" => new Orderings().ThenByCustom(), + "orderby-custom-descending-thenby" => new Orderings().CustomThenByDescending(), + _ => MissingTag(session, false), + }, "orderby-custom-comparer" => new Orderings().OrderByWithCustomComparer(), "orderbydescending-syntax" => new Orderings().OrderByDescendingSyntax(), "orderby-descending-type" => new Orderings().OrderProductsDescending(), @@ -72,6 +72,20 @@ static int Main( "thenby-custom-descending" => new Orderings().CustomThenByDescending(), "reverse" => new Orderings().OrderingReversal(), + "groupby-syntax" => new Groupings().GroupingSyntax(), + "groupby-property" => new Groupings().GroupByProperty(), + "groupby-category" => new Groupings().GroupByCategory(), + "nested-groupby" => new Groupings().NestedGrouBy(), + "anagram-comparer" => session switch + { + "groupby-custom-comparer" => new Groupings().GroupByCustomComparer(), + "nested-groupby-custom" => new Groupings().NestedGroupByCustom(), + _ => MissingTag(session, false), + + }, + "groupby-custom-comparer" => new Groupings().GroupByCustomComparer(), + "nested-groupby-custom" => new Groupings().NestedGroupByCustom(); + null => RunAll(), _ => MissingTag(region), }; @@ -132,6 +146,14 @@ private static int RunAll() new Orderings().ThenByDifferentOrdering(); new Orderings().CustomThenByDescending(); new Orderings().OrderingReversal(); + + // Grouping: 40 - 45 + new Groupings().GroupingSyntax(); + new Groupings().GroupByProperty(); + new Groupings().GroupByCategory(); + new Groupings().NestedGrouBy(); + new Groupings().GroupByCustomComparer(); + new Groupings().NestedGroupByCustom(); return 0; } } From d24e3db31b4505d6c325ce0d86c969c80e0dfeed Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Fri, 6 Sep 2019 12:03:27 -0400 Subject: [PATCH 12/23] switching machines. --- 101-linq-samples/docs/groupings-2.md | 2 +- 101-linq-samples/docs/groupings-3.md | 4 +- 101-linq-samples/docs/sets.md | 35 ++++++++++++ 101-linq-samples/readme.md | 13 ++++- 101-linq-samples/src/Groupings.cs | 1 - 101-linq-samples/src/Program.cs | 12 ++++- 101-linq-samples/src/SetOperations.cs | 63 ++++++++++++++++++++++ 101-linq-samples/src/Try101LinqSamples.sln | 17 ++++++ 8 files changed, 141 insertions(+), 6 deletions(-) create mode 100644 101-linq-samples/docs/sets.md create mode 100644 101-linq-samples/src/SetOperations.cs create mode 100644 101-linq-samples/src/Try101LinqSamples.sln diff --git a/101-linq-samples/docs/groupings-2.md b/101-linq-samples/docs/groupings-2.md index b96e8a1..21e2aea 100644 --- a/101-linq-samples/docs/groupings-2.md +++ b/101-linq-samples/docs/groupings-2.md @@ -4,7 +4,7 @@ The `group by` and `into` can use custom comparers to separate groups. These samples use the following custom comparer. It compares two strings to see if they are anagrams. (Anagrams are pairs of words formed from the same letters.) -``` cs --region custom-comparer --session groupby-custom-comparer --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` cs --region anagram-comparer --session groupby-custom-comparer --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj ``` ## Groupby with a custom comparer diff --git a/101-linq-samples/docs/groupings-3.md b/101-linq-samples/docs/groupings-3.md index 742f9a7..47115ab 100644 --- a/101-linq-samples/docs/groupings-3.md +++ b/101-linq-samples/docs/groupings-3.md @@ -4,7 +4,7 @@ The `group by` and `into` can use custom comparers to separate groups. These que These samples use the following custom comparer. It compares two strings to see if they are anagrams. (Anagrams are pairs of words formed from the same letters.) -``` cs --region custom-comparer --session nested-groupby-custom --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` cs --region anagram-comparer --session nested-groupby-custom --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj ``` ## Groupby with a custom comparer @@ -13,6 +13,6 @@ These samples use the following custom comparer. It compares two strings to see ``` cs --region nested-groupby-custom --session nested-groupby-custom --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Nested groupings with a custom comparer »](./groupings-2.md) Previous: [Groupings with a custom comparer «](./orderings-2.md)** +**Next: [Set operations »](./sets.md) Previous: [Groupings with a custom comparer «](./orderings-2.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/sets.md b/101-linq-samples/docs/sets.md new file mode 100644 index 0000000..b6433d4 --- /dev/null +++ b/101-linq-samples/docs/sets.md @@ -0,0 +1,35 @@ +# LINQ - Set Operators + +The methods `Distinct`, `Union`, `Intersect`, and `Except` provide set operations to compare multiple sequences. + +## Distinct syntax + +This sample uses `Distinct` to remove duplicate elements in a sequence of factors of 300. + +``` cs --region distinct-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find distinct values of a property + +This sample uses Distinct to find the unique Category names. + +``` cs --region distinct-property-values --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Union syntax + +This sample uses Union to create one sequence that contains the unique values from both arrays. + +``` cs --region union-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Nested group by queries + +This sample demonstrates the use of `group by` and `into` nested buckets of orders by customer, year, and month. The result + +``` cs --region nested-groupby --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Grouping with a custom comparer »](./groupings-2.md) Previous: [Nested groupings with a custom comparer «](./groupings-3.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index e868a44..afae5ff 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -75,4 +75,15 @@ The `select` keyword or `Select` method provide this capability. These operators - [Group by using a key property](docs/groupings.md#grouping-using-a-key-property) - [Nested group by queries](docs/groupings.md#nested-group-by-queries) - [Group by using a custom comparer](docs/groupings-2.md) -- [Nested group by using a custom comparer](docs/groupings-3.md) \ No newline at end of file +- [Nested group by using a custom comparer](docs/groupings-3.md) + +## [Set Operators](docs/set.md) + +Distinct - 1 +Distinct - 2 +Union - 1 +Union - 2 +Intersect - 1 +Intersect - 2 +Except - 1 +Except - 2 \ No newline at end of file diff --git a/101-linq-samples/src/Groupings.cs b/101-linq-samples/src/Groupings.cs index eaec428..e8e767c 100644 --- a/101-linq-samples/src/Groupings.cs +++ b/101-linq-samples/src/Groupings.cs @@ -1,7 +1,6 @@ using System; using System.Collections.Generic; using System.Linq; -using System.Text; namespace Try101LinqSamples { diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 993b0f9..377ac97 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -84,7 +84,11 @@ static int Main( }, "groupby-custom-comparer" => new Groupings().GroupByCustomComparer(), - "nested-groupby-custom" => new Groupings().NestedGroupByCustom(); + "nested-groupby-custom" => new Groupings().NestedGroupByCustom(), + + "distinct-syntax" => new SetOperations().DistinctSyntax(), + "distinct-property-values" => new SetOperations().DistinctPropertyValues(), + "union-syntax" => new SetOperations().UnionSyntax(), null => RunAll(), _ => MissingTag(region), @@ -154,6 +158,12 @@ private static int RunAll() new Groupings().NestedGrouBy(); new Groupings().GroupByCustomComparer(); new Groupings().NestedGroupByCustom(); + + // Set operations: 46 - 53 + new SetOperations().DistinctSyntax(); + new SetOperations().DistinctPropertyValues(); + new SetOperations().UnionSyntax(); + return 0; } } diff --git a/101-linq-samples/src/SetOperations.cs b/101-linq-samples/src/SetOperations.cs new file mode 100644 index 0000000..b780351 --- /dev/null +++ b/101-linq-samples/src/SetOperations.cs @@ -0,0 +1,63 @@ +using System; +using System.Collections.Generic; +using System.Linq; + +namespace Try101LinqSamples +{ + public class SetOperations + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + public int DistinctSyntax() + { + #region distinct-syntax + int[] factorsOf300 = { 2, 2, 3, 5, 5 }; + + var uniqueFactors = factorsOf300.Distinct(); + + Console.WriteLine("Prime factors of 300:"); + foreach (var f in uniqueFactors) + { + Console.WriteLine(f); + } + #endregion + return 0; + } + + public int DistinctPropertyValues() + { + #region distinct-property-values + List products = GetProductList(); + + var categoryNames = (from p in products + select p.Category) + .Distinct(); + + Console.WriteLine("Category names:"); + foreach (var n in categoryNames) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int UnionSyntax() + { + #region union-syntax + int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 }; + int[] numbersB = { 1, 3, 5, 7, 8 }; + + var uniqueNumbers = numbersA.Union(numbersB); + + Console.WriteLine("Unique numbers from both arrays:"); + foreach (var n in uniqueNumbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + } +} diff --git a/101-linq-samples/src/Try101LinqSamples.sln b/101-linq-samples/src/Try101LinqSamples.sln new file mode 100644 index 0000000..0d96759 --- /dev/null +++ b/101-linq-samples/src/Try101LinqSamples.sln @@ -0,0 +1,17 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 15 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Try101LinqSamples", "Try101LinqSamples.csproj", "{7B869FAB-42BF-43CD-9877-B9F6185C2C6A}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {7B869FAB-42BF-43CD-9877-B9F6185C2C6A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {7B869FAB-42BF-43CD-9877-B9F6185C2C6A}.Debug|Any CPU.Build.0 = Debug|Any CPU + {7B869FAB-42BF-43CD-9877-B9F6185C2C6A}.Release|Any CPU.ActiveCfg = Release|Any CPU + {7B869FAB-42BF-43CD-9877-B9F6185C2C6A}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection +EndGlobal From 9acb0e9bfce1b3bea8be85f78c8f944b54fd10a8 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Fri, 6 Sep 2019 16:00:01 -0400 Subject: [PATCH 13/23] set operations are ready --- 101-linq-samples/docs/sets-2.md | 35 ++++++++ 101-linq-samples/docs/sets.md | 13 +-- 101-linq-samples/readme.md | 18 ++-- 101-linq-samples/src/Program.cs | 119 ++++++++++++++------------ 101-linq-samples/src/SetOperations.cs | 100 ++++++++++++++++++++++ 5 files changed, 215 insertions(+), 70 deletions(-) create mode 100644 101-linq-samples/docs/sets-2.md diff --git a/101-linq-samples/docs/sets-2.md b/101-linq-samples/docs/sets-2.md new file mode 100644 index 0000000..7f2c7eb --- /dev/null +++ b/101-linq-samples/docs/sets-2.md @@ -0,0 +1,35 @@ +# LINQ - Set Operators + +The methods `Distinct`, `Union`, `Intersect`, and `Except` provide set operations to compare multiple sequences. + +## Intersect syntax + +This sample uses `Intersect` to create one sequence that contains the common values shared by both arrays. + +``` cs --region intersect-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the intersection of query results + +This sample uses Intersect to create one sequence that contains the common first letter from both product and customer names. + +``` cs --region intersect-different-queries --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Difference of two sets + +This sample uses `Except` to create a sequence that contains the values from `numbersA` that are not also in `numbersB`. + +``` cs --region except-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Difference of two queries + +This sample uses `Except` to create one sequence that contains the first letters of product names that are not also first letters of customer names. + +``` cs --region difference-of-queries --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Set operations distinct and union «](./sets.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/sets.md b/101-linq-samples/docs/sets.md index b6433d4..61c9e25 100644 --- a/101-linq-samples/docs/sets.md +++ b/101-linq-samples/docs/sets.md @@ -11,25 +11,26 @@ This sample uses `Distinct` to remove duplicate elements in a sequence of factor ## Find distinct values of a property -This sample uses Distinct to find the unique Category names. +This sample uses `Distinct` to find the unique Category names. ``` cs --region distinct-property-values --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` ## Union syntax -This sample uses Union to create one sequence that contains the unique values from both arrays. +This sample uses `Union` to create one sequence that contains the unique values from both arrays. ``` cs --region union-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` -## Nested group by queries +## Union of query results -This sample demonstrates the use of `group by` and `into` nested buckets of orders by customer, year, and month. The result +This sample uses `Union` to create one sequence that contains the unique first letter from both product and customer names. It shows how you can combine the results of two different queries that produce the same element type. -``` cs --region nested-groupby --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj + +``` cs --region union-query-results --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Grouping with a custom comparer »](./groupings-2.md) Previous: [Nested groupings with a custom comparer «](./groupings-3.md)** +**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Nested groupings with a custom comparer «](./groupings-3.md)** **[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index afae5ff..9d2f124 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -77,13 +77,13 @@ The `select` keyword or `Select` method provide this capability. These operators - [Group by using a custom comparer](docs/groupings-2.md) - [Nested group by using a custom comparer](docs/groupings-3.md) -## [Set Operators](docs/set.md) - -Distinct - 1 -Distinct - 2 -Union - 1 -Union - 2 -Intersect - 1 -Intersect - 2 -Except - 1 +## [Set Operators](docs/sets.md) + +- [Distinct syntax and form](docs/sets.md#distinct-syntax) +- [Find all distinct values of a single property](docs/sets.md#find-distinct-values-of-a-property) +- [Union syntax and form](docs/sets.md#union-syntax) +- [Union of query results](docs/sets.md#union-of-query-results) +- [Intersect syntax and form](docs/sets-2.md#intersect-syntax) +- [Find the intersection of query results](docs/sets-2.md#find-the-intersection-of-query-results) +- [Find the difference of two sets using except](docs/sets-2.md#find-the-difference-of-two-sets) Except - 2 \ No newline at end of file diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 377ac97..9c5c120 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -19,42 +19,42 @@ static int Main( { return region switch { - "where-syntax" => new Restrictions().LowNumbers(), - "where-property" => new Restrictions().ProductsOutOfStock(), - "where-multiple-properties" => new Restrictions().ExpensiveProductsInStock(), - "where-drilldown" => new Restrictions().DisplayCustomerOrders(), - "where-indexed" => new Restrictions().IndexedWhere(), + "where-syntax" => new Restrictions().LowNumbers(), + "where-property" => new Restrictions().ProductsOutOfStock(), + "where-multiple-properties" => new Restrictions().ExpensiveProductsInStock(), + "where-drilldown" => new Restrictions().DisplayCustomerOrders(), + "where-indexed" => new Restrictions().IndexedWhere(), - "select-syntax" => new Projections().SelectSyntax(), - "select-property" => new Projections().SelectProperty(), - "select-transform" => new Projections().TransformWithSelect(), - "select-case-anonymous" => new Projections().SelectByCaseAnonymous(), - "select-case-tuple" => new Projections().SelectByCaseTuple(), - "select-new-type" => new Projections().SelectAnonymousConstructions(), - "select-new-type-tuple" => new Projections().SelectTupleConstructions(), - "select-subset-properties" => new Projections().SelectPropertySubset(), - "select-with-index" => new Projections().SelectWithIndex(), - "select-with-where" => new Projections().SelectWithWhere(), - "select-many-syntax" => new Projections().SelectFromMultipleSequences(), - "select-many-drilldown" => new Projections().SelectFromChildSequence(), - "select-many-filter" => new Projections().SelectManyWithWhere(), - "select-many-assignment" => new Projections().SelectManyWhereAssignment(), - "multiple-where-clauses" => new Projections().SelectMultipleWhereClauses(), - "indexed-select-many" => new Projections().IndexedSelectMany(), + "select-syntax" => new Projections().SelectSyntax(), + "select-property" => new Projections().SelectProperty(), + "select-transform" => new Projections().TransformWithSelect(), + "select-case-anonymous" => new Projections().SelectByCaseAnonymous(), + "select-case-tuple" => new Projections().SelectByCaseTuple(), + "select-new-type" => new Projections().SelectAnonymousConstructions(), + "select-new-type-tuple" => new Projections().SelectTupleConstructions(), + "select-subset-properties" => new Projections().SelectPropertySubset(), + "select-with-index" => new Projections().SelectWithIndex(), + "select-with-where" => new Projections().SelectWithWhere(), + "select-many-syntax" => new Projections().SelectFromMultipleSequences(), + "select-many-drilldown" => new Projections().SelectFromChildSequence(), + "select-many-filter" => new Projections().SelectManyWithWhere(), + "select-many-assignment" => new Projections().SelectManyWhereAssignment(), + "multiple-where-clauses" => new Projections().SelectMultipleWhereClauses(), + "indexed-select-many" => new Projections().IndexedSelectMany(), - "take-syntax" => new Partitions().TakeSyntax(), - "nested-take" => new Partitions().NestedTake(), - "skip-syntax" => new Partitions().SkipSyntax(), - "nested-skip" => new Partitions().NestedSkip(), - "takewhile-syntax" => new Partitions().TakeWhileSyntax(), - "indexed-takewhile" => new Partitions().IndexedTakeWhile(), - "skipwhile-syntax" => new Partitions().SkipWhileSyntax(), - "indexed-skipwhile" => new Partitions().IndexedSkipWhile(), + "take-syntax" => new Partitions().TakeSyntax(), + "nested-take" => new Partitions().NestedTake(), + "skip-syntax" => new Partitions().SkipSyntax(), + "nested-skip" => new Partitions().NestedSkip(), + "takewhile-syntax" => new Partitions().TakeWhileSyntax(), + "indexed-takewhile" => new Partitions().IndexedTakeWhile(), + "skipwhile-syntax" => new Partitions().SkipWhileSyntax(), + "indexed-skipwhile" => new Partitions().IndexedSkipWhile(), - "orderby-syntax" => new Orderings().OrderbySyntax(), - "orderby-property" => new Orderings().OrderbyProperty(), - "orderby-user-types" => new Orderings().OrderByProducts(), - "custom-comparer" => session switch + "orderby-syntax" => new Orderings().OrderbySyntax(), + "orderby-property" => new Orderings().OrderbyProperty(), + "orderby-user-types" => new Orderings().OrderByProducts(), + "custom-comparer" => session switch { "orderby-custom" => new Orderings().OrderByWithCustomComparer(), "orderby-custom-descending" => new Orderings().DescendingCustomComparer(), @@ -62,36 +62,41 @@ static int Main( "orderby-custom-descending-thenby" => new Orderings().CustomThenByDescending(), _ => MissingTag(session, false), }, - "orderby-custom-comparer" => new Orderings().OrderByWithCustomComparer(), - "orderbydescending-syntax" => new Orderings().OrderByDescendingSyntax(), - "orderby-descending-type" => new Orderings().OrderProductsDescending(), - "desc-custom-comparer" => new Orderings().DescendingCustomComparer(), - "thenby-syntax" => new Orderings().ThenBySyntax(), - "thenby-custom" => new Orderings().ThenByCustom(), - "thenby-ordering" => new Orderings().ThenByDifferentOrdering(), - "thenby-custom-descending" => new Orderings().CustomThenByDescending(), - "reverse" => new Orderings().OrderingReversal(), + "orderby-custom-comparer" => new Orderings().OrderByWithCustomComparer(), + "orderbydescending-syntax" => new Orderings().OrderByDescendingSyntax(), + "orderby-descending-type" => new Orderings().OrderProductsDescending(), + "desc-custom-comparer" => new Orderings().DescendingCustomComparer(), + "thenby-syntax" => new Orderings().ThenBySyntax(), + "thenby-custom" => new Orderings().ThenByCustom(), + "thenby-ordering" => new Orderings().ThenByDifferentOrdering(), + "thenby-custom-descending" => new Orderings().CustomThenByDescending(), + "reverse" => new Orderings().OrderingReversal(), - "groupby-syntax" => new Groupings().GroupingSyntax(), - "groupby-property" => new Groupings().GroupByProperty(), - "groupby-category" => new Groupings().GroupByCategory(), - "nested-groupby" => new Groupings().NestedGrouBy(), - "anagram-comparer" => session switch + "groupby-syntax" => new Groupings().GroupingSyntax(), + "groupby-property" => new Groupings().GroupByProperty(), + "groupby-category" => new Groupings().GroupByCategory(), + "nested-groupby" => new Groupings().NestedGrouBy(), + "anagram-comparer" => session switch { "groupby-custom-comparer" => new Groupings().GroupByCustomComparer(), "nested-groupby-custom" => new Groupings().NestedGroupByCustom(), _ => MissingTag(session, false), }, - "groupby-custom-comparer" => new Groupings().GroupByCustomComparer(), - "nested-groupby-custom" => new Groupings().NestedGroupByCustom(), + "groupby-custom-comparer" => new Groupings().GroupByCustomComparer(), + "nested-groupby-custom" => new Groupings().NestedGroupByCustom(), - "distinct-syntax" => new SetOperations().DistinctSyntax(), - "distinct-property-values" => new SetOperations().DistinctPropertyValues(), - "union-syntax" => new SetOperations().UnionSyntax(), + "distinct-syntax" => new SetOperations().DistinctSyntax(), + "distinct-property-values" => new SetOperations().DistinctPropertyValues(), + "union-syntax" => new SetOperations().UnionSyntax(), + "union-query-results" => new SetOperations().UnionOfQueryResults(), + "intersect-syntax" => new SetOperations().IntersectSynxtax(), + "intersect-different-queries" => new SetOperations().IntersectQueryResults(), + "difference-of-sets" => new SetOperations().DifferenceOfSets(), + "difference-of-queries" => new SetOperations().DifferenceOfQueries(), - null => RunAll(), - _ => MissingTag(region), + null => RunAll(), + _ => MissingTag(region), }; } @@ -163,7 +168,11 @@ private static int RunAll() new SetOperations().DistinctSyntax(); new SetOperations().DistinctPropertyValues(); new SetOperations().UnionSyntax(); - + new SetOperations().UnionOfQueryResults(); + new SetOperations().IntersectSynxtax(); + new SetOperations().IntersectQueryResults(); + new SetOperations().DifferenceOfSets(); + new SetOperations().DifferenceOfQueries(); return 0; } } diff --git a/101-linq-samples/src/SetOperations.cs b/101-linq-samples/src/SetOperations.cs index b780351..80e19ea 100644 --- a/101-linq-samples/src/SetOperations.cs +++ b/101-linq-samples/src/SetOperations.cs @@ -59,5 +59,105 @@ public int UnionSyntax() #endregion return 0; } + + public int UnionOfQueryResults() + { + #region union-query-results + List products = GetProductList(); + List customers = GetCustomerList(); + + var productFirstChars = from p in products + select p.ProductName[0]; + var customerFirstChars = from c in customers + select c.CompanyName[0]; + + var uniqueFirstChars = productFirstChars.Union(customerFirstChars); + + Console.WriteLine("Unique first letters from Product names and Customer names:"); + foreach (var ch in uniqueFirstChars) + { + Console.WriteLine(ch); + } + #endregion + return 0; + } + + public int IntersectSynxtax() + { + #region intersect-syntax + int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 }; + int[] numbersB = { 1, 3, 5, 7, 8 }; + + var commonNumbers = numbersA.Intersect(numbersB); + + Console.WriteLine("Common numbers shared by both arrays:"); + foreach (var n in commonNumbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int IntersectQueryResults() + { + #region intersect-different-queries + List products = GetProductList(); + List customers = GetCustomerList(); + + var productFirstChars = from p in products + select p.ProductName[0]; + var customerFirstChars = from c in customers + select c.CompanyName[0]; + + var commonFirstChars = productFirstChars.Intersect(customerFirstChars); + + Console.WriteLine("Common first letters from Product names and Customer names:"); + foreach (var ch in commonFirstChars) + { + Console.WriteLine(ch); + } + #endregion + return 0; + } + + public int DifferenceOfSets() + { + #region except-syntax + int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 }; + int[] numbersB = { 1, 3, 5, 7, 8 }; + + IEnumerable aOnlyNumbers = numbersA.Except(numbersB); + + Console.WriteLine("Numbers in first array but not second array:"); + foreach (var n in aOnlyNumbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int DifferenceOfQueries() + { + #region difference-of-queries + List products = GetProductList(); + List customers = GetCustomerList(); + + var productFirstChars = from p in products + select p.ProductName[0]; + var customerFirstChars = from c in customers + select c.CompanyName[0]; + + var productOnlyFirstChars = productFirstChars.Except(customerFirstChars); + + Console.WriteLine("First letters from Product names, but not from Customer names:"); + foreach (var ch in productOnlyFirstChars) + { + Console.WriteLine(ch); + } + #endregion + return 1; + } } } From 9eb659f7d167a36f58719d701b9cde2ad9f70157 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Tue, 10 Sep 2019 17:03:49 -0400 Subject: [PATCH 14/23] port conversions (not completed) --- 101-linq-samples/docs/conversions.md | 36 +++++++++++++ 101-linq-samples/docs/sets-2.md | 2 +- 101-linq-samples/docs/sets.md | 2 +- 101-linq-samples/src/Conversions.cs | 77 ++++++++++++++++++++++++++++ 4 files changed, 115 insertions(+), 2 deletions(-) create mode 100644 101-linq-samples/docs/conversions.md create mode 100644 101-linq-samples/src/Conversions.cs diff --git a/101-linq-samples/docs/conversions.md b/101-linq-samples/docs/conversions.md new file mode 100644 index 0000000..46ac3b5 --- /dev/null +++ b/101-linq-samples/docs/conversions.md @@ -0,0 +1,36 @@ +# LINQ - Conversion Operators + +The methods `ToArray`, `ToArray`, `ToDictionary`, and `OfType` provide ways to convert LINQ results to collections + +## Convert to an array + +This sample uses ToArray to immediately evaluate a sequence into an array. + +``` cs --region distinct-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Convert to a list + +This sample uses ToList to immediately evaluate a sequence into a List. + +``` cs --region distinct-property-values --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Convert to a dictionary + +This sample uses ToDictionary to immediately evaluate a sequence and a related key expression into a dictionary. + +``` cs --region union-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Convert elements that match a type + +This sample uses OfType to return only the elements of the array that are of type double. + + +``` cs --region union-query-results --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Intersect and except set operations »](./sets-2.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/sets-2.md b/101-linq-samples/docs/sets-2.md index 7f2c7eb..542f514 100644 --- a/101-linq-samples/docs/sets-2.md +++ b/101-linq-samples/docs/sets-2.md @@ -30,6 +30,6 @@ This sample uses `Except` to create one sequence that contains the first letters ``` cs --region difference-of-queries --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Set operations distinct and union «](./sets.md)** +**Next: Conversion operators »](./conversions.md) Previous: [Set operations distinct and union «](./sets.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/sets.md b/101-linq-samples/docs/sets.md index 61c9e25..3efb2a3 100644 --- a/101-linq-samples/docs/sets.md +++ b/101-linq-samples/docs/sets.md @@ -31,6 +31,6 @@ This sample uses `Union` to create one sequence that contains the unique first l ``` cs --region union-query-results --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Nested groupings with a custom comparer «](./groupings-3.md)** +**Next: [Intersect and except set operations »](./sets-2.md) Previous: [Nested groupings with a custom comparer «](./groupings-3.md)** **[Home](../README.md)** diff --git a/101-linq-samples/src/Conversions.cs b/101-linq-samples/src/Conversions.cs new file mode 100644 index 0000000..e1b3e30 --- /dev/null +++ b/101-linq-samples/src/Conversions.cs @@ -0,0 +1,77 @@ +using System; +using System.Linq; + +namespace Try101LinqSamples +{ + public class Conversions + { + public int ConvertToArray() + { + #region convert-to-array + double[] doubles = { 1.7, 2.3, 1.9, 4.1, 2.9 }; + + var sortedDoubles = from d in doubles + orderby d descending + select d; + var doublesArray = sortedDoubles.ToArray(); + + Console.WriteLine("Every other double from highest to lowest:"); + for (int d = 0; d < doublesArray.Length; d += 2) + { + Console.WriteLine(doublesArray[d]); + } + #endregion + return 0; + } + + public int ConvertToList() + { + #region convert-to-list + string[] words = { "cherry", "apple", "blueberry" }; + + var sortedWords = from w in words + orderby w + select w; + var wordList = sortedWords.ToList(); + + Console.WriteLine("The sorted word list:"); + foreach (var w in wordList) + { + Console.WriteLine(w); + } + #endregion + return 0; + } + + public int ConvertToDictionary() + { + #region convert-to-dictionary + var scoreRecords = new[] { new {Name = "Alice", Score = 50}, + new {Name = "Bob" , Score = 40}, + new {Name = "Cathy", Score = 45} + }; + + var scoreRecordsDict = scoreRecords.ToDictionary(sr => sr.Name); + + Console.WriteLine("Bob's score: {0}", scoreRecordsDict["Bob"]); + #endregion + return 0; + } + + public int ConvertSelectedItems() + { + #region convert-to-type + object[] numbers = { null, 1.0, "two", 3, "four", 5, "six", 7.0 }; + + var doubles = numbers.OfType(); + + Console.WriteLine("Numbers stored as doubles:"); + foreach (var d in doubles) + { + Console.WriteLine(d); + } + #endregion + return 0; + } + } +} From f303d6fedeb7d2046e2d1758f330e066ca2cd638 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Wed, 11 Sep 2019 16:10:58 -0400 Subject: [PATCH 15/23] conversions are complete --- 101-linq-samples/docs/conversions.md | 16 ++++++++-------- 101-linq-samples/docs/sets-2.md | 2 +- 101-linq-samples/readme.md | 9 ++++++++- 101-linq-samples/src/Program.cs | 12 ++++++++++++ 4 files changed, 29 insertions(+), 10 deletions(-) diff --git a/101-linq-samples/docs/conversions.md b/101-linq-samples/docs/conversions.md index 46ac3b5..abe99f0 100644 --- a/101-linq-samples/docs/conversions.md +++ b/101-linq-samples/docs/conversions.md @@ -4,31 +4,31 @@ The methods `ToArray`, `ToArray`, `ToDictionary`, and `OfType` provide ways to c ## Convert to an array -This sample uses ToArray to immediately evaluate a sequence into an array. +This sample uses `ToArray` to immediately evaluate a sequence into an array. -``` cs --region distinct-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` cs --region convert-to-array --source-file ../src/Conversions.cs --project ../src/Try101LinqSamples.csproj ``` ## Convert to a list -This sample uses ToList to immediately evaluate a sequence into a List. +This sample uses `ToList` to immediately evaluate a sequence into a `List`. -``` cs --region distinct-property-values --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` cs --region convert-to-list --source-file ../src/Conversions.cs --project ../src/Try101LinqSamples.csproj ``` ## Convert to a dictionary -This sample uses ToDictionary to immediately evaluate a sequence and a related key expression into a dictionary. +This sample uses `ToDictionary` to immediately evaluate a sequence and a related key expression into a dictionary. -``` cs --region union-syntax --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` cs --region convert-to-dictionary --source-file ../src/Conversions.cs --project ../src/Try101LinqSamples.csproj ``` ## Convert elements that match a type -This sample uses OfType to return only the elements of the array that are of type double. +This sample uses `OfType` to return only the elements of the array that are of type double. -``` cs --region union-query-results --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj +``` cs --region convert-to-type --source-file ../src/Conversions.cs --project ../src/Try101LinqSamples.csproj ``` **Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Intersect and except set operations »](./sets-2.md)** diff --git a/101-linq-samples/docs/sets-2.md b/101-linq-samples/docs/sets-2.md index 542f514..88fbc62 100644 --- a/101-linq-samples/docs/sets-2.md +++ b/101-linq-samples/docs/sets-2.md @@ -30,6 +30,6 @@ This sample uses `Except` to create one sequence that contains the first letters ``` cs --region difference-of-queries --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: Conversion operators »](./conversions.md) Previous: [Set operations distinct and union «](./sets.md)** +**Next: [Conversion operators »](./conversions.md) Previous: [Set operations distinct and union «](./sets.md)** **[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 9d2f124..2cd7f58 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -86,4 +86,11 @@ The `select` keyword or `Select` method provide this capability. These operators - [Intersect syntax and form](docs/sets-2.md#intersect-syntax) - [Find the intersection of query results](docs/sets-2.md#find-the-intersection-of-query-results) - [Find the difference of two sets using except](docs/sets-2.md#find-the-difference-of-two-sets) -Except - 2 \ No newline at end of file +- [Find the difference of two queries using except](docs/sets-2.md#difference-of-two-queries) + +## [Conversion operators](docs/conversions.md) + +- [Convert results to an Array](docs/conversions.md#convert-to-array) +- [Convert results to a list](docs/conversions.md#convert-to-list) +- [Convert results to a dictionary](docs/conversions.md#convert-to-dictionary) +- [Convert results based on item type](docs/conversions.md#convert-elements-that-match-a-type) diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 9c5c120..e42cd40 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -95,6 +95,11 @@ static int Main( "difference-of-sets" => new SetOperations().DifferenceOfSets(), "difference-of-queries" => new SetOperations().DifferenceOfQueries(), + "convert-to-array" => new Conversions().ConvertToArray(), + "convert-to-list" => new Conversions().ConvertToList(), + "convert-to-dictionary" => new Conversions().ConvertToDictionary(), + "convert-to-type" => new Conversions().ConvertSelectedItems(), + null => RunAll(), _ => MissingTag(region), }; @@ -173,6 +178,13 @@ private static int RunAll() new SetOperations().IntersectQueryResults(); new SetOperations().DifferenceOfSets(); new SetOperations().DifferenceOfQueries(); + + // Conversion Operators: 54 - 57 + new Conversions().ConvertToArray(); + new Conversions().ConvertToList(); + new Conversions().ConvertToDictionary(); + new Conversions().ConvertSelectedItems(); + return 0; } } From 1573f2ceb6f91be152511a42c1a09dca35c779ec Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Wed, 11 Sep 2019 17:29:02 -0400 Subject: [PATCH 16/23] add element operators --- 101-linq-samples/docs/conversions.md | 5 +- 101-linq-samples/docs/elements.md | 42 ++++++++++++ 101-linq-samples/readme.md | 8 +++ 101-linq-samples/src/ElementOperations.cs | 80 +++++++++++++++++++++++ 101-linq-samples/src/Program.cs | 12 ++++ 5 files changed, 144 insertions(+), 3 deletions(-) create mode 100644 101-linq-samples/docs/elements.md create mode 100644 101-linq-samples/src/ElementOperations.cs diff --git a/101-linq-samples/docs/conversions.md b/101-linq-samples/docs/conversions.md index abe99f0..e02205a 100644 --- a/101-linq-samples/docs/conversions.md +++ b/101-linq-samples/docs/conversions.md @@ -1,6 +1,6 @@ # LINQ - Conversion Operators -The methods `ToArray`, `ToArray`, `ToDictionary`, and `OfType` provide ways to convert LINQ results to collections +The methods `ToArray`, `ToArray`, `ToDictionary`, and `OfType` provide ways to convert LINQ results to collections. ## Convert to an array @@ -27,10 +27,9 @@ This sample uses `ToDictionary` to immediately evaluate a sequence and a related This sample uses `OfType` to return only the elements of the array that are of type double. - ``` cs --region convert-to-type --source-file ../src/Conversions.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Intersect and except set operations »](./sets-2.md)** +**Next: [ELement operations »](./elements.md) Previous: [Intersect and except set operations »](./sets-2.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/elements.md b/101-linq-samples/docs/elements.md new file mode 100644 index 0000000..645d77d --- /dev/null +++ b/101-linq-samples/docs/elements.md @@ -0,0 +1,42 @@ +# LINQ - Element Operators + +The methods `First`, `FirstOrDefault`, and `ElementAt` provide ways to select a single element by position. + +## Find the first element + +This sample uses `First` to return the first matching element as a `Product`, instead of as a sequence containing a `Product`. + +``` cs --region first-element --source-file ../src/ElementOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the first matching element + +This sample uses `First` to find the first element in the array that starts with 'o'. + +``` cs --region first-matching-element --source-file ../src/ElementOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## First element of a possibly empty sequence + +This sample uses `FirstOrDefault` to try to return the first element of the sequence, unless there are no elements, in which case the default value for that type is returned. + +``` cs --region first-or-default --source-file ../src/ElementOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## First matching element or default + +This sample uses `FirstOrDefault` to return the first product whose `ProductID` is `789` as a single `Product` object, unless there is no match, in which case `null` is returned. + +``` cs --region first-matching-or-default --source-file ../src/ElementOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find element at position + +This sample uses `ElementAt` to retrieve the second number greater than 5 from an array. + +``` cs --region element-at --source-file ../src/ElementOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Conversion operations »](./conversions.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 2cd7f58..cde701f 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -94,3 +94,11 @@ The `select` keyword or `Select` method provide this capability. These operators - [Convert results to a list](docs/conversions.md#convert-to-list) - [Convert results to a dictionary](docs/conversions.md#convert-to-dictionary) - [Convert results based on item type](docs/conversions.md#convert-elements-that-match-a-type) + +## [Element operators](docs/elements.md) + +- [Retrieve the first element](docs/elements.md#find-the-first-element) +- [Retrieve the first matching element](docs/elements.md#find-the-first-matching-element) +- [Retrieve the first element or default](docs/elements.md#first-element-of-a-possibly-empty-sequence) +- [Retrieve the first matching element or default](docs/elements.md#first-matching-element-or-default) +- [Find an element by position](docs/elements.md#find-element-at-position) diff --git a/101-linq-samples/src/ElementOperations.cs b/101-linq-samples/src/ElementOperations.cs new file mode 100644 index 0000000..de13289 --- /dev/null +++ b/101-linq-samples/src/ElementOperations.cs @@ -0,0 +1,80 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace Try101LinqSamples +{ + public class ElementOperations + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + public int FirstElement() + { + #region first-element + List products = GetProductList(); + + Product product12 = (from p in products + where p.ProductID == 12 + select p) + .First(); + + Console.WriteLine(product12); + #endregion + return 0; + } + + public int FirstMatchingElement() + { + #region first-matching-element + string[] strings = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; + + string startsWithO = strings.First(s => s[0] == 'o'); + + Console.WriteLine($"A string starting with 'o': {startsWithO}"); + #endregion + return 0; + } + + public int MaybeFirstElement() + { + #region first-or-default + int[] numbers = { }; + + int firstNumOrDefault = numbers.FirstOrDefault(); + + Console.WriteLine(firstNumOrDefault); + #endregion + return 0; + } + + public int MaybeFirstMatchingElement() + { + #region first-matching-or-default + List products = GetProductList(); + + Product product789 = products.FirstOrDefault(p => p.ProductID == 789); + + Console.WriteLine($"Product 789 exists: {product789 != null}"); + #endregion + return 0; + } + + public int ElementAtPosition() + { + #region element-at + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + int fourthLowNum = ( + from n in numbers + where n > 5 + select n) + .ElementAt(1); // second number is index 1 because sequences use 0-based indexing + + Console.WriteLine($"Second number > 5: {fourthLowNum}"); + #endregion + return 0; + } + } +} diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index e42cd40..47fcede 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -100,6 +100,12 @@ static int Main( "convert-to-dictionary" => new Conversions().ConvertToDictionary(), "convert-to-type" => new Conversions().ConvertSelectedItems(), + "first-element" => new ElementOperations().FirstElement(), + "first-matching-element" => new ElementOperations().FirstMatchingElement(), + "first-or-default" => new ElementOperations().MaybeFirstElement(), + "first-matching-or-default" => new ElementOperations().MaybeFirstMatchingElement(), + "element-at" => new ElementOperations().ElementAtPosition(), + null => RunAll(), _ => MissingTag(region), }; @@ -185,6 +191,12 @@ private static int RunAll() new Conversions().ConvertToDictionary(); new Conversions().ConvertSelectedItems(); + // Element operators: 58-64 (60 is missing.) + new ElementOperations().FirstElement(); + new ElementOperations().FirstMatchingElement(); + new ElementOperations().MaybeFirstElement(); + new ElementOperations().MaybeFirstMatchingElement(); + new ElementOperations().ElementAtPosition(); return 0; } } From 6bff2b82aefab10a8831182f9b1e20a95cb4ade7 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Wed, 11 Sep 2019 18:10:52 -0400 Subject: [PATCH 17/23] add generators --- 101-linq-samples/docs/elements.md | 2 +- 101-linq-samples/docs/generators.md | 21 ++++++++++++++++ 101-linq-samples/readme.md | 5 ++++ 101-linq-samples/src/Generators.cs | 37 +++++++++++++++++++++++++++++ 101-linq-samples/src/Program.cs | 8 +++++++ 5 files changed, 72 insertions(+), 1 deletion(-) create mode 100644 101-linq-samples/docs/generators.md create mode 100644 101-linq-samples/src/Generators.cs diff --git a/101-linq-samples/docs/elements.md b/101-linq-samples/docs/elements.md index 645d77d..d48e10e 100644 --- a/101-linq-samples/docs/elements.md +++ b/101-linq-samples/docs/elements.md @@ -37,6 +37,6 @@ This sample uses `ElementAt` to retrieve the second number greater than 5 from a ``` cs --region element-at --source-file ../src/ElementOperations.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Conversion operations »](./conversions.md)** +**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Generate elements »](./generators.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/generators.md b/101-linq-samples/docs/generators.md new file mode 100644 index 0000000..595b393 --- /dev/null +++ b/101-linq-samples/docs/generators.md @@ -0,0 +1,21 @@ +# LINQ - Generate elements + +The methods `Range` and `Repeat` create sequences of integers. These can be the source sequences of queries. + +## Create a range of numbers + +This sample uses `First` to return the first matching element as a `Product`, instead of as a sequence containing a `Product`. + +``` cs --region generate-range --source-file ../src/Generators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Repeat the same number + +This sample uses `First` to find the first element in the array that starts with 'o'. + +``` cs --region generate-repeat --source-file ../src/Generators.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Conversion operations »](./conversions.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index cde701f..9e1d395 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -102,3 +102,8 @@ The `select` keyword or `Select` method provide this capability. These operators - [Retrieve the first element or default](docs/elements.md#first-element-of-a-possibly-empty-sequence) - [Retrieve the first matching element or default](docs/elements.md#first-matching-element-or-default) - [Find an element by position](docs/elements.md#find-element-at-position) + +## [Generate sequences](docs/generators.md) + +- [Generate a range of numbers](docs/generaotrs.md#create-a-range-of-numbers) +- [Repeat the same number](docs/generaotrs.md#repeat-the-same-number) diff --git a/101-linq-samples/src/Generators.cs b/101-linq-samples/src/Generators.cs new file mode 100644 index 0000000..3182caf --- /dev/null +++ b/101-linq-samples/src/Generators.cs @@ -0,0 +1,37 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace Try101LinqSamples +{ + public class Generators + { + public int RangeOfIntegers() + { + #region generate-range + var numbers = from n in Enumerable.Range(100, 50) + select (Number: n, OddEven: n % 2 == 1 ? "odd" : "even"); + + foreach (var n in numbers) + { + Console.WriteLine("The number {0} is {1}.", n.Number, n.OddEven); + } + #endregion + return 0; + } + + public int RepeatNumber() + { + #region generate-repeat + var numbers = Enumerable.Repeat(7, 10); + + foreach (var n in numbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + } +} diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index 47fcede..f5defa8 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -106,6 +106,9 @@ static int Main( "first-matching-or-default" => new ElementOperations().MaybeFirstMatchingElement(), "element-at" => new ElementOperations().ElementAtPosition(), + "generate-range" => new Generators().RangeOfIntegers(), + "generate-repeat" => new Generators().RepeatNumber(), + null => RunAll(), _ => MissingTag(region), }; @@ -197,6 +200,11 @@ private static int RunAll() new ElementOperations().MaybeFirstElement(); new ElementOperations().MaybeFirstMatchingElement(); new ElementOperations().ElementAtPosition(); + + // Generator operators: 65,66 + new Generators().RangeOfIntegers(); + new Generators().RepeatNumber(); + return 0; } } From 6b46fce9deeda7ed8c33e1b7d2ad66106134ee31 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Wed, 11 Sep 2019 18:50:17 -0400 Subject: [PATCH 18/23] add quantifiers --- 101-linq-samples/docs/generators.md | 2 +- 101-linq-samples/docs/quantifiers.md | 38 +++++++++++ 101-linq-samples/src/ElementOperations.cs | 1 - 101-linq-samples/src/Generators.cs | 2 - 101-linq-samples/src/Program.cs | 11 +++ 101-linq-samples/src/Quantifiers.cs | 82 +++++++++++++++++++++++ 6 files changed, 132 insertions(+), 4 deletions(-) create mode 100644 101-linq-samples/docs/quantifiers.md create mode 100644 101-linq-samples/src/Quantifiers.cs diff --git a/101-linq-samples/docs/generators.md b/101-linq-samples/docs/generators.md index 595b393..938bbe8 100644 --- a/101-linq-samples/docs/generators.md +++ b/101-linq-samples/docs/generators.md @@ -16,6 +16,6 @@ This sample uses `First` to find the first element in the array that starts with ``` cs --region generate-repeat --source-file ../src/Generators.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Conversion operations »](./conversions.md)** +**Next: [Quantifying operations »](./quantifiers.md) Previous: [Conversion operations »](./conversions.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/quantifiers.md b/101-linq-samples/docs/quantifiers.md new file mode 100644 index 0000000..204a7ec --- /dev/null +++ b/101-linq-samples/docs/quantifiers.md @@ -0,0 +1,38 @@ +# LINQ - Quantifiers + +The methods `Any`, and `All` determine of all elements or any elements match a condition. + +## Check for any matching elements + +This sample uses Any to determine if any of the words in the array contain the substring 'ei'. + +``` cs --region any-matches --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj +``` + +## Group by any elements matching a condition + +This sample uses Any to return a grouped a list of products only for categories that have at least one product that is out of stock. + +``` cs --region any-grouped --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj +``` + +## Check that all elements match a condition. + +This sample uses All to determine whether an array contains only odd numbers. + +``` cs --region all-match --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj +``` + +## Group by all elements matching a condition + +This sample uses All to return a grouped a list of products only for categories that have all of their products in stock. + + + uses `OfType` to return only the elements of the array that are of type double. + +``` cs --region all-grouped --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [ELement operations »](./elements.md) Previous: [Generate sequence elements »](./generators.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/src/ElementOperations.cs b/101-linq-samples/src/ElementOperations.cs index de13289..344588a 100644 --- a/101-linq-samples/src/ElementOperations.cs +++ b/101-linq-samples/src/ElementOperations.cs @@ -1,7 +1,6 @@ using System; using System.Collections.Generic; using System.Linq; -using System.Text; namespace Try101LinqSamples { diff --git a/101-linq-samples/src/Generators.cs b/101-linq-samples/src/Generators.cs index 3182caf..1c7c5cb 100644 --- a/101-linq-samples/src/Generators.cs +++ b/101-linq-samples/src/Generators.cs @@ -1,7 +1,5 @@ using System; -using System.Collections.Generic; using System.Linq; -using System.Text; namespace Try101LinqSamples { diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index f5defa8..a47ae5e 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -109,6 +109,11 @@ static int Main( "generate-range" => new Generators().RangeOfIntegers(), "generate-repeat" => new Generators().RepeatNumber(), + "any-matches" => new Quantifiers().AnyMatchingElements(), + "any-grouped" => new Quantifiers().GroupedAnyMatchedElements(), + "all-match" => new Quantifiers().AllMatchedElements(), + "all-grouped" => new Quantifiers().GroupedAllMatchedElements(), + null => RunAll(), _ => MissingTag(region), }; @@ -205,6 +210,12 @@ private static int RunAll() new Generators().RangeOfIntegers(); new Generators().RepeatNumber(); + // Quantifiers: 67 - 72 (68 and 71 are missing) + new Quantifiers().AnyMatchingElements(); + new Quantifiers().GroupedAnyMatchedElements(); + new Quantifiers().AllMatchedElements(); + new Quantifiers().GroupedAllMatchedElements(); + return 0; } } diff --git a/101-linq-samples/src/Quantifiers.cs b/101-linq-samples/src/Quantifiers.cs new file mode 100644 index 0000000..0537926 --- /dev/null +++ b/101-linq-samples/src/Quantifiers.cs @@ -0,0 +1,82 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace Try101LinqSamples +{ + public class Quantifiers + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + public int AnyMatchingElements() + { + #region any-matches + string[] words = { "believe", "relief", "receipt", "field" }; + + bool iAfterE = words.Any(w => w.Contains("ei")); + + Console.WriteLine($"There is a word that contains in the list that contains 'ei': {iAfterE}"); + #endregion + return 0; + } + + public int GroupedAnyMatchedElements() + { + #region any-grouped + List products = GetProductList(); + var productGroups = + from p in products + group p by p.Category into g + where g.Any(p => p.UnitsInStock == 0) + select (Category: g.Key, Products: g); + + foreach(var group in productGroups) + { + Console.WriteLine(group.Category); + foreach(var product in group.Products) + { + Console.WriteLine($"\t{product}"); + } + } + #endregion + return 0; + } + + public int AllMatchedElements() + { + #region all-match + int[] numbers = { 1, 11, 3, 19, 41, 65, 19 }; + + bool onlyOdd = numbers.All(n => n % 2 == 1); + + Console.WriteLine($"The list contains only odd numbers: {onlyOdd}"); + #endregion + return 0; + } + + public int GroupedAllMatchedElements() + { + #region all-grouped + List products = GetProductList(); + + var productGroups = + from p in products + group p by p.Category into g + where g.All(p => p.UnitsInStock > 0) + select (Category: g.Key, Products: g); + + foreach (var group in productGroups) + { + Console.WriteLine(group.Category); + foreach (var product in group.Products) + { + Console.WriteLine($"\t{product}"); + } + } + #endregion + return 0; + } + } +} From ecb61189f751d3317f340b76eca776b09c3018d4 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 12 Sep 2019 16:16:06 -0400 Subject: [PATCH 19/23] fix links. --- 101-linq-samples/readme.md | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 9e1d395..fcdc631 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -105,5 +105,12 @@ The `select` keyword or `Select` method provide this capability. These operators ## [Generate sequences](docs/generators.md) -- [Generate a range of numbers](docs/generaotrs.md#create-a-range-of-numbers) -- [Repeat the same number](docs/generaotrs.md#repeat-the-same-number) +- [Generate a range of numbers](docs/generators.md#create-a-range-of-numbers) +- [Repeat the same number](docs/generators.md#repeat-the-same-number) + +## [Quantifying members](docs/quantifiers.md) + +- [Check if any elements match a condition](docs/quantifiers.md#check-for-any-matching-elements) +- [Group elements that match a condition](docs/quantifiers.md#group-by-any-elements-matching-a-condition) +- [Check if all elements match a condition](docs/quantifiers.md#check-that-all-matching-elements) +- [Group where all elements match a condition](docs/quantifiers.md#group-by-all-elements-matching-a-condition) From 5115daf856c90c9f45e77af775032b357f83cf02 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Thu, 12 Sep 2019 22:59:41 -0400 Subject: [PATCH 20/23] Finish the sample code. --- 101-linq-samples/src/AggregateOperators.cs | 307 +++++++++++++++++++++ 101-linq-samples/src/JoinOperations.cs | 120 ++++++++ 101-linq-samples/src/Miscellaneous.cs | 109 ++++++++ 101-linq-samples/src/Program.cs | 73 +++++ 101-linq-samples/src/QueryExecution.cs | 87 ++++++ 5 files changed, 696 insertions(+) create mode 100644 101-linq-samples/src/AggregateOperators.cs create mode 100644 101-linq-samples/src/JoinOperations.cs create mode 100644 101-linq-samples/src/Miscellaneous.cs create mode 100644 101-linq-samples/src/QueryExecution.cs diff --git a/101-linq-samples/src/AggregateOperators.cs b/101-linq-samples/src/AggregateOperators.cs new file mode 100644 index 0000000..1028b53 --- /dev/null +++ b/101-linq-samples/src/AggregateOperators.cs @@ -0,0 +1,307 @@ +using System; +using System.Collections.Generic; +using System.Linq; + +namespace Try101LinqSamples +{ + public class AggregateOperators + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + public int CountSyntax() + { + #region count-syntax + int[] factorsOf300 = { 2, 2, 3, 5, 5 }; + + int uniqueFactors = factorsOf300.Distinct().Count(); + + Console.WriteLine($"There are {uniqueFactors} unique factors of 300."); + #endregion + return 0; + } + + public int CountConditional() + { + #region count-conditional + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + int oddNumbers = numbers.Count(n => n % 2 == 1); + + Console.WriteLine("There are {0} odd numbers in the list.", oddNumbers); + #endregion + return 0; + } + + public int NestedCount() + { + #region nested-count + List customers = GetCustomerList(); + + var orderCounts = from c in customers + select (c.CustomerID, OrderCount: c.Orders.Count()); + + foreach(var customer in orderCounts) + { + Console.WriteLine($"ID: {customer.CustomerID}, count: {customer.OrderCount}"); + } + + #endregion + return 0; + } + + public int GroupedCount() + { + #region grouped-count + List products = GetProductList(); + + var categoryCounts = from p in products + group p by p.Category into g + select (Category: g.Key, ProductCount: g.Count()); + + foreach(var c in categoryCounts) + { + Console.WriteLine($"Category: {c.Category}: Product count: {c.ProductCount}"); + } + #endregion + return 0; + } + + public int SumSyntax() + { + #region sum-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + double numSum = numbers.Sum(); + + Console.WriteLine($"The sum of the numbers is {numSum}"); + #endregion + return 0; + } + + public int SumProjection() + { + #region sum-of-projection + string[] words = { "cherry", "apple", "blueberry" }; + + double totalChars = words.Sum(w => w.Length); + + Console.WriteLine($"There are a total of {totalChars} characters in these words."); + #endregion + return 0; + } + + public int SumGrouped() + { + #region grouped-sum + List products = GetProductList(); + + var categories = from p in products + group p by p.Category into g + select (Category: g.Key, TotalUnitsInStock: g.Sum(p => p.UnitsInStock)); + + foreach(var pair in categories) + { + Console.WriteLine($"Category: {pair.Category}, Units in stock: {pair.TotalUnitsInStock}"); + } + #endregion + return 0; + } + + public int MinSyntax() + { + #region min-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + int minNum = numbers.Min(); + + Console.WriteLine($"The minimum number is {minNum}"); + #endregion + return 0; + } + + public int MinProjection() + { + #region min-projection + string[] words = { "cherry", "apple", "blueberry" }; + + int shortestWord = words.Min(w => w.Length); + + Console.WriteLine($"The shortest word is {shortestWord} characters long."); + #endregion + return 0; + } + + public int MinGrouped() + { + #region min-grouped + List products = GetProductList(); + + var categories = from p in products + group p by p.Category into g + select (Category: g.Key, CheapestPrice: g.Min(p => p.UnitPrice)); + + foreach(var c in categories) + { + Console.WriteLine($"Category: {c.Category}, Lowest price: {c.CheapestPrice}"); + } + #endregion + return 0; + } + + public int MinEachGroup() + { + #region min-each-group + List products = GetProductList(); + + var categories = from p in products + group p by p.Category into g + let minPrice = g.Min(p => p.UnitPrice) + select (Category: g.Key, CheapestProducts: g.Where(p => p.UnitPrice == minPrice)); + + foreach (var c in categories) + { + Console.WriteLine($"Category: {c.Category}"); + foreach(var p in c.CheapestProducts) + { + Console.WriteLine($"\tProduct: {p}"); + } + } + #endregion + return 0; + } + + public int MaxSyntax() + { + #region max-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + int maxNum = numbers.Max(); + + Console.WriteLine($"The maximum number is {maxNum}"); + #endregion + return 0; + } + + public int MaxProjection() + { + #region max-projection + string[] words = { "cherry", "apple", "blueberry" }; + + int longestLength = words.Max(w => w.Length); + + Console.WriteLine($"The longest word is {longestLength} characters long."); + #endregion + return 0; + } + + public int MaxGrouped() + { + #region max-grouped + List products = GetProductList(); + + var categories = from p in products + group p by p.Category into g + select (Category: g.Key, MostExpensivePrice: g.Max(p => p.UnitPrice)); + + foreach (var c in categories) + { + Console.WriteLine($"Category: {c.Category} Most expensive product: {c.MostExpensivePrice}"); + } + #endregion + return 0; + } + + public int MaxEachGroup() + { + #region max-each-group + List products = GetProductList(); + + var categories = from p in products + group p by p.Category into g + let maxPrice = g.Max(p => p.UnitPrice) + select (Category: g.Key, MostExpensiveProducts: g.Where(p => p.UnitPrice == maxPrice)); + + foreach (var c in categories) + { + Console.WriteLine($"Category: {c.Category}"); + foreach (var p in c.MostExpensiveProducts) + { + Console.WriteLine($"\t{p}"); + } + } + #endregion + return 0; + } + + public int AverageSyntax() + { + #region average-syntax + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + double averageNum = numbers.Average(); + + Console.WriteLine($"The average number is {averageNum}."); + #endregion + return 0; + } + + public int AverageProjection() + { + #region average-projection + string[] words = { "cherry", "apple", "blueberry" }; + + double averageLength = words.Average(w => w.Length); + + Console.WriteLine($"The average word length is {averageLength} characters."); + #endregion + return 0; + } + + public int AverageGrouped() + { + #region average-grouped + List products = GetProductList(); + + var categories = from p in products + group p by p.Category into g + select (Category: g.Key, AveragePrice: g.Average(p => p.UnitPrice)); + + foreach (var c in categories) + { + Console.WriteLine($"Category: {c.Category}, Average price: {c.AveragePrice}"); + } + #endregion + return 0; + } + + public int AggregateSyntax() + { + #region aggregate-syntax + double[] doubles = { 1.7, 2.3, 1.9, 4.1, 2.9 }; + + double product = doubles.Aggregate((runningProduct, nextFactor) => runningProduct * nextFactor); + + Console.WriteLine($"Total product of all numbers: {product}"); + #endregion + return 0; + } + + public int SeededAggregate() + { + #region aggregate-seeded + double startBalance = 100.0; + + int[] attemptedWithdrawals = { 20, 10, 40, 50, 10, 70, 30 }; + + double endBalance = + attemptedWithdrawals.Aggregate(startBalance, + (balance, nextWithdrawal) => + ((nextWithdrawal <= balance) ? (balance - nextWithdrawal) : balance)); + + Console.WriteLine($"Ending balance: {endBalance}"); + #endregion + return 0; + } + } +} diff --git a/101-linq-samples/src/JoinOperations.cs b/101-linq-samples/src/JoinOperations.cs new file mode 100644 index 0000000..c4ce5dd --- /dev/null +++ b/101-linq-samples/src/JoinOperations.cs @@ -0,0 +1,120 @@ +using System; +using System.Collections.Generic; +using System.Linq; + +namespace Try101LinqSamples +{ + public class JoinOperations + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + public int CrossJoinQuery() + { + #region cross-join + string[] categories = { + "Beverages", + "Condiments", + "Vegetables", + "Dairy Products", + "Seafood" + }; + + List products = GetProductList(); + + var q = from c in categories + join p in products on c equals p.Category + select (Category: c, p.ProductName); + + foreach (var v in q) + { + Console.WriteLine(v.ProductName + ": " + v.Category); + } + #endregion + return 0; + } + + public int GroupJoinQquery() + { + #region group-join + string[] categories = { + "Beverages", + "Condiments", + "Vegetables", + "Dairy Products", + "Seafood" + }; + + List products = GetProductList(); + + var q = from c in categories + join p in products on c equals p.Category into ps + select (Category: c, Products: ps); + + foreach (var v in q) + { + Console.WriteLine(v.Category + ":"); + foreach (var p in v.Products) + { + Console.WriteLine(" " + p.ProductName); + } + } + #endregion + return 0; + } + + public int CrossGroupJoin() + { + #region cross-group-join + string[] categories = { + "Beverages", + "Condiments", + "Vegetables", + "Dairy Products", + "Seafood" + }; + + List products = GetProductList(); + + var q = from c in categories + join p in products on c equals p.Category into ps + from p in ps + select (Category: c, p.ProductName); + + foreach (var v in q) + { + Console.WriteLine(v.ProductName + ": " + v.Category); + } + #endregion + return 0; + } + + public int LeftOuterJoin() + { + #region left-outer-join + string[] categories = { + "Beverages", + "Condiments", + "Vegetables", + "Dairy Products", + "Seafood" + }; + + List products = GetProductList(); + + var q = from c in categories + join p in products on c equals p.Category into ps + from p in ps.DefaultIfEmpty() + select (Category: c, ProductName: p == null ? "(No products)" : p.ProductName); + + foreach (var v in q) + { + Console.WriteLine($"{v.ProductName}: {v.Category}"); + } + #endregion + return 0; + } + } +} + + diff --git a/101-linq-samples/src/Miscellaneous.cs b/101-linq-samples/src/Miscellaneous.cs new file mode 100644 index 0000000..3487d66 --- /dev/null +++ b/101-linq-samples/src/Miscellaneous.cs @@ -0,0 +1,109 @@ +using System; +using System.Collections.Generic; +using System.Linq; + +namespace Try101LinqSamples +{ + public class Miscellaneous + { + public List GetProductList() => Products.ProductList; + public List GetCustomerList() => Customers.CustomerList; + + public int ConcatSeries() + { + #region concat-series + int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 }; + int[] numbersB = { 1, 3, 5, 7, 8 }; + + var allNumbers = numbersA.Concat(numbersB); + + Console.WriteLine("All numbers from both arrays:"); + foreach (var n in allNumbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int ConcatProjection() + { + #region concat-projections + List customers = GetCustomerList(); + List products = GetProductList(); + + var customerNames = from c in customers + select c.CompanyName; + var productNames = from p in products + select p.ProductName; + + var allNames = customerNames.Concat(productNames); + + Console.WriteLine("Customer and product names:"); + foreach (var n in allNames) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + + public int EqualSequence() + { + #region equal-sequence + var wordsA = new string[] { "cherry", "apple", "blueberry" }; + var wordsB = new string[] { "cherry", "apple", "blueberry" }; + + bool match = wordsA.SequenceEqual(wordsB); + + Console.WriteLine($"The sequences match: {match}"); + #endregion + return 0; + } + + // Combine in Markdown.s + public int Linq97() + { + #region not-equal-sequence + var wordsA = new string[] { "cherry", "apple", "blueberry" }; + var wordsB = new string[] { "apple", "blueberry", "cherry" }; + + bool match = wordsA.SequenceEqual(wordsB); + + Console.WriteLine($"The sequences match: {match}"); + #endregion + return 0; + } + + public int DotProduct() + { + #region dot-product + int[] vectorA = { 0, 2, 4, 5, 6 }; + int[] vectorB = { 1, 3, 5, 7, 8 }; + + int dotProduct = vectorA.Combine(vectorB, (a, b) => a * b).Sum(); + + Console.WriteLine($"Dot product: {dotProduct}"); + #endregion + return 0; + } + } + + #region custom-sequence-operator + public static class CustomSequenceOperators + { + public static IEnumerable Combine(this IEnumerable first, + IEnumerable second, + Func func) + { + using (IEnumerator e1 = first.GetEnumerator(), e2 = second.GetEnumerator()) + { + while (e1.MoveNext() && e2.MoveNext()) + { + yield return func(e1.Current, e2.Current); + } + } + } + } + #endregion +} diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index a47ae5e..b0a885d 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -114,6 +114,43 @@ static int Main( "all-match" => new Quantifiers().AllMatchedElements(), "all-grouped" => new Quantifiers().GroupedAllMatchedElements(), + "count-syntax" => new AggregateOperators().CountSyntax(), + "count-conditional" => new AggregateOperators().CountConditional(), + "nested-count" => new AggregateOperators().NestedCount(), + "grouped-count" => new AggregateOperators().GroupedCount(), + "sum-syntax" => new AggregateOperators().SumSyntax(), + "sum-of-projection" => new AggregateOperators().SumProjection(), + "grouped-sum" => new AggregateOperators().SumGrouped(), + "min-syntax" => new AggregateOperators().MinSyntax(), + "min-projection" => new AggregateOperators().MinProjection(), + "min-grouped" => new AggregateOperators().MinGrouped(), + "min-each-group" => new AggregateOperators().MinEachGroup(), + "max-syntax" => new AggregateOperators().MaxSyntax(), + "max-projection" => new AggregateOperators().MaxProjection(), + "max-grouped" => new AggregateOperators().MaxGrouped(), + "max-each-group" => new AggregateOperators().MaxEachGroup(), + "average-syntax" => new AggregateOperators().AverageSyntax(), + "average-projection" => new AggregateOperators().AverageProjection(), + "average-grouped" => new AggregateOperators().AverageGrouped(), + "aggregate-syntax" => new AggregateOperators().AggregateSyntax(), + "aggregate-seeded" => new AggregateOperators().SeededAggregate(), + + "concat-series" => new Miscellaneous().ConcatSeries(), + "concat-projections" => new Miscellaneous().ConcatProjection(), + "equal-sequence" => new Miscellaneous().EqualSequence(), + "not-equal-sequence" => new Miscellaneous().Linq97(), + "dot-product" => new Miscellaneous().DotProduct(), + "custom-sequence-operator" => new Miscellaneous().DotProduct(), + + "deferred-execution" => new QueryExecution().DeferredExecution(), + "eager-execution" => new QueryExecution().EagerExecution(), + "reuse-query" => new QueryExecution().ReuseQueryDefinition(), + + "cross-join" => new JoinOperations().CrossJoinQuery(), + "group-join" => new JoinOperations().GroupJoinQquery(), + "cross-group-join" => new JoinOperations().CrossGroupJoin(), + "left-outer-join" => new JoinOperations().LeftOuterJoin(), + null => RunAll(), _ => MissingTag(region), }; @@ -216,6 +253,42 @@ private static int RunAll() new Quantifiers().AllMatchedElements(); new Quantifiers().GroupedAllMatchedElements(); + // Aggregators: 73 - 93 (75 is missing) + new AggregateOperators().CountSyntax(); + new AggregateOperators().CountConditional(); + new AggregateOperators().NestedCount(); + new AggregateOperators().GroupedCount(); + new AggregateOperators().SumSyntax(); + new AggregateOperators().SumProjection(); + new AggregateOperators().SumGrouped(); + new AggregateOperators().MinSyntax(); + new AggregateOperators().MinProjection(); + new AggregateOperators().MinGrouped(); + new AggregateOperators().MinEachGroup(); + new AggregateOperators().MaxSyntax(); + new AggregateOperators().MaxProjection(); + new AggregateOperators().MaxGrouped(); + new AggregateOperators().MaxEachGroup(); + new AggregateOperators().AverageSyntax(); + new AggregateOperators().AverageProjection(); + new AggregateOperators().AverageGrouped(); + new AggregateOperators().AggregateSyntax(); + + // Miscellaneous: + new Miscellaneous().ConcatSeries(); + new Miscellaneous().ConcatProjection(); + new Miscellaneous().EqualSequence(); + new Miscellaneous().Linq97(); + + new QueryExecution().DeferredExecution(); + new QueryExecution().EagerExecution(); + new QueryExecution().ReuseQueryDefinition(); + + new JoinOperations().CrossJoinQuery(); + new JoinOperations().GroupJoinQquery(); + new JoinOperations().CrossGroupJoin(); + new JoinOperations().LeftOuterJoin(); + return 0; } } diff --git a/101-linq-samples/src/QueryExecution.cs b/101-linq-samples/src/QueryExecution.cs new file mode 100644 index 0000000..ab7ff05 --- /dev/null +++ b/101-linq-samples/src/QueryExecution.cs @@ -0,0 +1,87 @@ +using System; +using System.Linq; + +namespace Try101LinqSamples +{ + public class QueryExecution + { + public int DeferredExecution() + { + #region deferred-execution + // Sequence operators form first-class queries that + // are not executed until you enumerate over them. + + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + int i = 0; + var q = from n in numbers + select ++i; + + // Note, the local variable 'i' is not incremented + // until each element is evaluated (as a side-effect): + foreach (var v in q) + { + Console.WriteLine($"v = {v}, i = {i}"); + } + #endregion + return 0; + } + + public int EagerExecution() + { + #region eager-execution + // Methods like ToList() cause the query to be + // executed immediately, caching the results. + + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + + int i = 0; + var q = (from n in numbers + select ++i) + .ToList(); + + // The local variable i has already been fully + // incremented before we iterate the results: + foreach (var v in q) + { + Console.WriteLine($"v = {v}, i = {i}"); + } + #endregion + return 0; + } + + public int ReuseQueryDefinition() + { + #region reuse-query + // Deferred execution lets us define a query once + // and then reuse it later after data changes. + + int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; + var lowNumbers = from n in numbers + where n <= 3 + select n; + + Console.WriteLine("First run numbers <= 3:"); + foreach (int n in lowNumbers) + { + Console.WriteLine(n); + } + + for (int i = 0; i < 10; i++) + { + numbers[i] = -numbers[i]; + } + + // During this second run, the same query object, + // lowNumbers, will be iterating over the new state + // of numbers[], producing different results: + Console.WriteLine("Second run numbers <= 3:"); + foreach (int n in lowNumbers) + { + Console.WriteLine(n); + } + #endregion + return 0; + } + } +} From f9b1c62f6928addbbe2b380de034f1b949296c14 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Tue, 17 Sep 2019 17:32:39 -0400 Subject: [PATCH 21/23] all samples done. This is ready for a final review --- 101-linq-samples/docs/aggregates-1.md | 28 +++++++ 101-linq-samples/docs/aggregates-2.md | 35 +++++++++ 101-linq-samples/docs/aggregates-3.md | 35 +++++++++ 101-linq-samples/docs/aggregates-4.md | 42 ++++++++++ 101-linq-samples/docs/aggregates.md | 36 +++++++++ 101-linq-samples/docs/join-operators.md | 35 +++++++++ 101-linq-samples/docs/quantifiers.md | 7 +- 101-linq-samples/docs/query-execution.md | 30 ++++++++ 101-linq-samples/docs/sequence-operations.md | 43 +++++++++++ 101-linq-samples/readme.md | 45 +++++++++++ 101-linq-samples/src/Program.cs | 18 ++--- ...Miscellaneous.cs => SequenceOperations.cs} | 76 +++++++------------ 12 files changed, 368 insertions(+), 62 deletions(-) create mode 100644 101-linq-samples/docs/aggregates-1.md create mode 100644 101-linq-samples/docs/aggregates-2.md create mode 100644 101-linq-samples/docs/aggregates-3.md create mode 100644 101-linq-samples/docs/aggregates-4.md create mode 100644 101-linq-samples/docs/aggregates.md create mode 100644 101-linq-samples/docs/join-operators.md create mode 100644 101-linq-samples/docs/query-execution.md create mode 100644 101-linq-samples/docs/sequence-operations.md rename 101-linq-samples/src/{Miscellaneous.cs => SequenceOperations.cs} (78%) diff --git a/101-linq-samples/docs/aggregates-1.md b/101-linq-samples/docs/aggregates-1.md new file mode 100644 index 0000000..d3a4c8e --- /dev/null +++ b/101-linq-samples/docs/aggregates-1.md @@ -0,0 +1,28 @@ +# LINQ - Aggregators + +*Aggregator* methods return a single value calculated from all the elements in a sequence. the aggregator methods include `Count`, `Sum`, `Min`, `Max`, `Average`, and `Aggregate`. + +## Sum all numeric elements in a sequence + +This sample uses Sum to get the total of the numbers in an array. + +``` cs --region sum-syntax --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Sum a projection from a sequence + +This sample uses Sum to get the total number of characters of all words in the array. + +``` cs --region sum-of-projection --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Sum all elements that are members of a group + +This sample uses Sum to get the total units in stock for each product category. + +``` cs --region grouped-sum --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Aggregates-Min »](./aggregates-2.md) Previous: [Aggregates »](./aggregates.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/aggregates-2.md b/101-linq-samples/docs/aggregates-2.md new file mode 100644 index 0000000..c559f60 --- /dev/null +++ b/101-linq-samples/docs/aggregates-2.md @@ -0,0 +1,35 @@ +# LINQ - Aggregators + +*Aggregator* methods return a single value calculated from all the elements in a sequence. the aggregator methods include `Count`, `Sum`, `Min`, `Max`, `Average`, and `Aggregate`. + +## Find the minimum of a sequence of elements + +This sample uses `Min` to get the lowest number in an array. + +``` cs --region min-syntax --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the minimum of a projection + +This sample uses `Min` to get the length of the shortest word in an array. + +``` cs --region min-projection --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the minimum in each group + +This sample uses `Min` to get the cheapest price among each category's products. + +``` cs --region min-grouped --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find all elements matching the minimum + +This sample uses `Min` to get the products with the cheapest price in each category. + +``` cs --region min-each-group --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Aggregates-Max »](./aggregates-3.md) Previous: [Aggregates-Sum »](./aggregates-1.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/aggregates-3.md b/101-linq-samples/docs/aggregates-3.md new file mode 100644 index 0000000..9c1edaa --- /dev/null +++ b/101-linq-samples/docs/aggregates-3.md @@ -0,0 +1,35 @@ +# LINQ - Aggregators + +*Aggregator* methods return a single value calculated from all the elements in a sequence. the aggregator methods include `Count`, `Sum`, `Min`, `Max`, `Average`, and `Aggregate`. + +## Find the maximun of a sequence of elements + +This sample uses `Max` to get the highest number in an array. + +``` cs --region max-syntax --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the maximum of a projection + +This sample uses `Max` to get the length of the longest word in an array. + +``` cs --region max-projection --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the maximum in each group + +This sample uses `Max` to get the most expensive price among each category's products. + +``` cs --region max-grouped --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find all elements matching the maximum + +This sample uses `Max` to get the products with the most expensive price in each category. + +``` cs --region max-each-group --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Aggregates-Average »](./aggregates-4.md) Previous: [Aggregates-Min »](./aggregates-2.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/aggregates-4.md b/101-linq-samples/docs/aggregates-4.md new file mode 100644 index 0000000..779043e --- /dev/null +++ b/101-linq-samples/docs/aggregates-4.md @@ -0,0 +1,42 @@ +# LINQ - Aggregators + +*Aggregator* methods return a single value calculated from all the elements in a sequence. the aggregator methods include `Count`, `Sum`, `Min`, `Max`, `Average`, and `Aggregate`. + +## Find the average of a sequence of elements + +This sample uses `Average` to get the average of all numbers in an array. + +``` cs --region average-syntax --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the average of a projection + +This sample uses `Average` to get the average length of the words in the array. + +``` cs --region average-projection --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Find the average in each group + +This sample uses `Average` to get the average price of each category's products. + +``` cs --region average-grouped --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compute an aggregate value from all elements of a sequence + +This sample uses `Aggregate` to create a running product on the array that calculates the total product of all elements. + +``` cs --region aggregate-syntax --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Compute an aggregate value from a seed value and all elements of a sequence + +This sample uses `Aggregate` to create a running account balance that subtracts each withdrawal from the initial balance of 100, as long as the balance never drops below 0. + +``` cs --region aggregate-seeded --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Sequence operations »](./sequence-operations.md) Previous: [Aggregates-Min »](./aggregates-2.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/aggregates.md b/101-linq-samples/docs/aggregates.md new file mode 100644 index 0000000..c107443 --- /dev/null +++ b/101-linq-samples/docs/aggregates.md @@ -0,0 +1,36 @@ +# LINQ - Aggregators + +*Aggregator* methods return a single value calculated from all the elements in a sequence. the aggregator methods include `Count`, `Sum`, `Min`, `Max`, `Average`, and `Aggregate`. + +## Count all elements in a sequence + +This sample uses `Count` to get the number of unique factors of 300. + +``` cs --region count-syntax --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Count all elements matching a condition + +This sample uses `Count` to get the number of odd ints in the array. + + +``` cs --region count-conditional --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Count all elements nested in a query + +This sample uses `Count` to return a list of customers and how many orders each has. + +``` cs --region nested-count --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +## Count all elements that are members of a group + +This sample uses `Count` to return a list of categories and how many products each has. + +``` cs --region grouped-count --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Aggregates-Sum »](./aggregates-1.md) Previous: [Quantifiers »](./generators.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/join-operators.md b/101-linq-samples/docs/join-operators.md new file mode 100644 index 0000000..e9802da --- /dev/null +++ b/101-linq-samples/docs/join-operators.md @@ -0,0 +1,35 @@ +# LINQ - Join operations + +Learn to use cross join, group join, and left outer join operations in LINQ queries + +## Cross join + +This sample shows how to efficiently join elements of two sequences based on equality between key expressions over the two. + +``` cs --region cross-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Group join + +Using a group join you can get all the products that match a given category bundled as a sequence. + +``` cs --region group-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Cross join with group join + +The group join operator is more general than join, as this slightly more verbose version of the cross join sample shows. + +``` cs --region cross-group-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Left outer join using group join + +A so-called outer join can be expressed with a group join. A left outer join is like a cross join, except that all the left hand side elements get included at least once, even if they don't match any right hand side elements. Note how Vegetables shows up in the output even though it has no matching products. + +``` cs --region left-outer-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Join operators »](./join-operators.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/quantifiers.md b/101-linq-samples/docs/quantifiers.md index 204a7ec..f8f0d05 100644 --- a/101-linq-samples/docs/quantifiers.md +++ b/101-linq-samples/docs/quantifiers.md @@ -16,7 +16,7 @@ This sample uses Any to return a grouped a list of products only for categories ``` cs --region any-grouped --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj ``` -## Check that all elements match a condition. +## Check that all elements match a condition This sample uses All to determine whether an array contains only odd numbers. @@ -27,12 +27,9 @@ This sample uses All to determine whether an array contains only odd numbers. This sample uses All to return a grouped a list of products only for categories that have all of their products in stock. - - uses `OfType` to return only the elements of the array that are of type double. - ``` cs --region all-grouped --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [ELement operations »](./elements.md) Previous: [Generate sequence elements »](./generators.md)** +**Next: [Aggregate operations »](./aggregates.md) Previous: [Generate sequence elements »](./generators.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/query-execution.md b/101-linq-samples/docs/query-execution.md new file mode 100644 index 0000000..00e9175 --- /dev/null +++ b/101-linq-samples/docs/query-execution.md @@ -0,0 +1,30 @@ +# LINQ - lazy and eager execution + +Learn to specify either eager or lazy query execution. + +## Queries execute lazily + +The following sample shows how query execution is deferred until the query is enumerated at a foreach statement. + +``` cs --region deferred-execution --source-file ../src/QueryExecution.cs --project ../src/Try101LinqSamples.csproj +``` + +## Request eager query execution + +The following sample shows how queries can be executed immediately with operators such as `ToList()`. + +``` cs --region eager-execution --source-file ../src/QueryExecution.cs --project ../src/Try101LinqSamples.csproj +``` + +You can replace the `ToList` call with a `ToArray`. Try it. + +## Reuse queries with new results + +The following sample shows how, because of deferred execution, queries can be used again after data changes and will then operate on the new data. + +``` cs --region reuse-query --source-file ../src/QueryExecution.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Join operators »](./join-operators.md) Previous: [sequence-operations »](./sequence-operations.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/docs/sequence-operations.md b/101-linq-samples/docs/sequence-operations.md new file mode 100644 index 0000000..3f1098e --- /dev/null +++ b/101-linq-samples/docs/sequence-operations.md @@ -0,0 +1,43 @@ +# LINQ - Sequence operations + +These operators compare or manipulate entire sequences: `EqualAll`, `Concat`, and `Combine`. + +## Compare two sequences for equality + +This sample uses `EqualAll` to see if two sequences match on all elements in the same order. + +``` cs --region equal-sequence --source-file ../src/SequenceOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +Change the order of elements in one sequence and try that sample again: + +```csharp +var wordsB = new string[] { "apple", "blueberry", "cherry" }; +``` + +Notice that sequences are equal if they contain the same elements, and those elements are in the same order. + +## Concatenate two sequences + +This sample uses `Concat` to create one sequence that contains each array's values, one after the other. + +``` cs --region concat-series --source-file ../src/SequenceOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Concatenate projections from two sequences + +This sample uses `Concat` to create one sequence that contains the names of all customers and products, including any duplicates. + +``` cs --region concat-projections --source-file ../src/SequenceOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +## Combine sequences with zip + +This sample calculates the dot product of two integer vectors. It uses `Zip`` to calculate the dot product, passing it a lambda function to multiply two arrays, element by element, and sum the result. + +``` cs --region dot-product --source-file ../src/SequenceOperations.cs --project ../src/Try101LinqSamples.csproj +``` + +**Next: [Deferred and eager execution »](./query-execution.md) Previous: [Aggregates-Average »](./aggregates-4.md)** + +**[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index fcdc631..c809187 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -114,3 +114,48 @@ The `select` keyword or `Select` method provide this capability. These operators - [Group elements that match a condition](docs/quantifiers.md#group-by-any-elements-matching-a-condition) - [Check if all elements match a condition](docs/quantifiers.md#check-that-all-matching-elements) - [Group where all elements match a condition](docs/quantifiers.md#group-by-all-elements-matching-a-condition) + +## [Aggregator operators](docs/aggregators.md) + +- [Count all elements in a sequence](docs/aggregators.md#count-all-elements-in-a-sequence) +- [Count all elements matching a condition in a sequence](docs/aggregators.md#count-all-elements-matching-a-condition) +- [Count all elements matching a condition in a sequence](docs/aggregators.md#count-all-elements-nested-in-a-query) +- [Count all elements in a group](docs/aggregators.md#count-all-elements-that-are-memebers-of-a-group) +- [Sum all elements in a sequence](docs/aggregators.md#sum-all-numeric-elements-in-a-sequence) +- [Sum a projection from sequence](docs/aggregators.md#sum-all-elements-matching-a-condition) +- [Sum all elements in a group](docs/aggregators.md#sum-all-elements-that-are-memebers-of-a-group) +- [Find the minimum element in a sequence](docs/aggregators.md#find-the-minimum-of-a-sequence-of-elements) +- [Find the minimum of a projection from a sequence](docs/aggregators.md#find-the-minimum-of-a-projection) +- [Find the minimum in each group](docs/aggregators.md#find-the-minimum-in-each-group) +- [Find all minimums in a group](docs/aggregators.md#find-all-elements-matching-the-minimum) +- [Find the maximum element in a sequence](docs/aggregators.md#find-the-maximum-of-a-sequence-of-elements) +- [Find the maximum of a projection from a sequence](docs/aggregators.md#find-the-maximum-of-a-projection) +- [Find the maximum in each group](docs/aggregators.md#find-the-maximum-in-each-group) +- [Find all maximums in a group](docs/aggregators.md#find-all-elements-matching-the-maximum) +- [Find the average of all element in a sequence](docs/aggregators.md#find-the-average-of-a-sequence-of-elements) +- [Find the maximum of a projection from a sequence](docs/aggregators.md#find-the-average-of-a-projection) +- [Find the maximum in each group](docs/aggregators.md#find-the-average-in-each-group) +- [Compute an aggregate from all elements in a sequence](docs/aggregators.md#compute-an-aggregate-value-from-all-elements-of-a-sequence) +- [Compute an aggregate from a seed and elements in a sequence](docs/aggregators.md#compute-an-aggregate-value-from-a-seed-value-and-all-elements-of-a-sequence) + +## [Sequence operations](docs/sequence-operations.md) + +- [Compare two sequences for equality](docs/sequence-operations.md#count-all-elements-in-a-sequence) +- [Concatenate two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences) +- [Concatenate projections from two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences) +- [Concatenate projections from two sequences](docs/sequence-combine.md#concatenate-projections-from-two-sequences) +- [Combine sequences with zip](docs/sequence-combine.md#combine-sequences-with-zip) + +## [Eager and lazy query execution](docs/query-execution.md) + +- [Queries execute lazily](docs/query-execution.md#queries-execute-lazily) +- [Request eager execution](docs/query-execution.md#request-eager-query-execution) +- [Reuse queries with new results](docs/query-execution.md#reuse-queries-with-new-results) + +## [Join operations](docs/join-operators.md) + +- [Cross join](docs/join-operators.md#cross-join) +- [Group join](docs/join-operators.md#group-join) +- [Group join query](docs/join-operators.md#group-join) +- [Cross join with group join](docs/join-operators.md#cross-join-with-group-join) +- [Left outer join](docs/join-operators.md#left-outer-join-using-group-join) diff --git a/101-linq-samples/src/Program.cs b/101-linq-samples/src/Program.cs index b0a885d..b16d678 100644 --- a/101-linq-samples/src/Program.cs +++ b/101-linq-samples/src/Program.cs @@ -135,12 +135,10 @@ static int Main( "aggregate-syntax" => new AggregateOperators().AggregateSyntax(), "aggregate-seeded" => new AggregateOperators().SeededAggregate(), - "concat-series" => new Miscellaneous().ConcatSeries(), - "concat-projections" => new Miscellaneous().ConcatProjection(), - "equal-sequence" => new Miscellaneous().EqualSequence(), - "not-equal-sequence" => new Miscellaneous().Linq97(), - "dot-product" => new Miscellaneous().DotProduct(), - "custom-sequence-operator" => new Miscellaneous().DotProduct(), + "concat-series" => new SequenceOperations().ConcatSeries(), + "concat-projections" => new SequenceOperations().ConcatProjection(), + "equal-sequence" => new SequenceOperations().EqualSequence(), + "dot-product" => new SequenceOperations().DotProduct(), "deferred-execution" => new QueryExecution().DeferredExecution(), "eager-execution" => new QueryExecution().EagerExecution(), @@ -275,10 +273,10 @@ private static int RunAll() new AggregateOperators().AggregateSyntax(); // Miscellaneous: - new Miscellaneous().ConcatSeries(); - new Miscellaneous().ConcatProjection(); - new Miscellaneous().EqualSequence(); - new Miscellaneous().Linq97(); + new SequenceOperations().ConcatSeries(); + new SequenceOperations().ConcatProjection(); + new SequenceOperations().EqualSequence(); + new SequenceOperations().Linq97(); new QueryExecution().DeferredExecution(); new QueryExecution().EagerExecution(); diff --git a/101-linq-samples/src/Miscellaneous.cs b/101-linq-samples/src/SequenceOperations.cs similarity index 78% rename from 101-linq-samples/src/Miscellaneous.cs rename to 101-linq-samples/src/SequenceOperations.cs index 3487d66..9c549b9 100644 --- a/101-linq-samples/src/Miscellaneous.cs +++ b/101-linq-samples/src/SequenceOperations.cs @@ -4,11 +4,38 @@ namespace Try101LinqSamples { - public class Miscellaneous + public class SequenceOperations { public List GetProductList() => Products.ProductList; public List GetCustomerList() => Customers.CustomerList; + public int EqualSequence() + { + #region equal-sequence + var wordsA = new string[] { "cherry", "apple", "blueberry" }; + var wordsB = new string[] { "cherry", "apple", "blueberry" }; + + bool match = wordsA.SequenceEqual(wordsB); + + Console.WriteLine($"The sequences match: {match}"); + #endregion + return 0; + } + + // Combine in Markdown.s + public int Linq97() + { + #region not-equal-sequence + var wordsA = new string[] { "cherry", "apple", "blueberry" }; + var wordsB = new string[] { "apple", "blueberry", "cherry" }; + + bool match = wordsA.SequenceEqual(wordsB); + + Console.WriteLine($"The sequences match: {match}"); + #endregion + return 0; + } + public int ConcatSeries() { #region concat-series @@ -48,62 +75,17 @@ public int ConcatProjection() return 0; } - public int EqualSequence() - { - #region equal-sequence - var wordsA = new string[] { "cherry", "apple", "blueberry" }; - var wordsB = new string[] { "cherry", "apple", "blueberry" }; - - bool match = wordsA.SequenceEqual(wordsB); - - Console.WriteLine($"The sequences match: {match}"); - #endregion - return 0; - } - - // Combine in Markdown.s - public int Linq97() - { - #region not-equal-sequence - var wordsA = new string[] { "cherry", "apple", "blueberry" }; - var wordsB = new string[] { "apple", "blueberry", "cherry" }; - - bool match = wordsA.SequenceEqual(wordsB); - - Console.WriteLine($"The sequences match: {match}"); - #endregion - return 0; - } - public int DotProduct() { #region dot-product int[] vectorA = { 0, 2, 4, 5, 6 }; int[] vectorB = { 1, 3, 5, 7, 8 }; - int dotProduct = vectorA.Combine(vectorB, (a, b) => a * b).Sum(); + int dotProduct = vectorA.Zip(vectorB, (a, b) => a * b).Sum(); Console.WriteLine($"Dot product: {dotProduct}"); #endregion return 0; } } - - #region custom-sequence-operator - public static class CustomSequenceOperators - { - public static IEnumerable Combine(this IEnumerable first, - IEnumerable second, - Func func) - { - using (IEnumerator e1 = first.GetEnumerator(), e2 = second.GetEnumerator()) - { - while (e1.MoveNext() && e2.MoveNext()) - { - yield return func(e1.Current, e2.Current); - } - } - } - } - #endregion } From 4a5a8d50aa44a6a4afc275d273e6b3da09c11762 Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Tue, 17 Sep 2019 21:42:42 -0400 Subject: [PATCH 22/23] check all links --- 101-linq-samples/docs/aggregates.md | 2 +- 101-linq-samples/docs/conversions.md | 2 +- 101-linq-samples/docs/elements.md | 2 +- 101-linq-samples/docs/groupings-2.md | 2 +- 101-linq-samples/docs/join-operators.md | 2 +- 101-linq-samples/docs/partitions-2.md | 2 +- 101-linq-samples/readme.md | 48 ++++++++++++------------- 7 files changed, 29 insertions(+), 31 deletions(-) diff --git a/101-linq-samples/docs/aggregates.md b/101-linq-samples/docs/aggregates.md index c107443..2911afb 100644 --- a/101-linq-samples/docs/aggregates.md +++ b/101-linq-samples/docs/aggregates.md @@ -24,7 +24,7 @@ This sample uses `Count` to return a list of customers and how many orders each ``` cs --region nested-count --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj ``` -## Count all elements that are members of a group +## Count all elements that are members of a group This sample uses `Count` to return a list of categories and how many products each has. diff --git a/101-linq-samples/docs/conversions.md b/101-linq-samples/docs/conversions.md index e02205a..b8f1cb6 100644 --- a/101-linq-samples/docs/conversions.md +++ b/101-linq-samples/docs/conversions.md @@ -30,6 +30,6 @@ This sample uses `OfType` to return only the elements of the array that are of t ``` cs --region convert-to-type --source-file ../src/Conversions.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [ELement operations »](./elements.md) Previous: [Intersect and except set operations »](./sets-2.md)** +**Next: [Element operations »](./elements.md) Previous: [Intersect and except set operations »](./sets-2.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/elements.md b/101-linq-samples/docs/elements.md index d48e10e..02ea622 100644 --- a/101-linq-samples/docs/elements.md +++ b/101-linq-samples/docs/elements.md @@ -37,6 +37,6 @@ This sample uses `ElementAt` to retrieve the second number greater than 5 from a ``` cs --region element-at --source-file ../src/ElementOperations.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Intersect and except set operations »](./groupings-2.md) Previous: [Generate elements »](./generators.md)** +**Next: [Generate sequences »](./generators.md) Previous: [Conversion operations »](./conversions.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/groupings-2.md b/101-linq-samples/docs/groupings-2.md index 21e2aea..c330cee 100644 --- a/101-linq-samples/docs/groupings-2.md +++ b/101-linq-samples/docs/groupings-2.md @@ -13,6 +13,6 @@ These samples use the following custom comparer. It compares two strings to see ``` cs --region groupby-custom-comparer --session groupby-custom-comparer --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Nested groupings with a custom comparer »](./groupings-2.md) Previous: [Groupings «](./orderings.md)** +**Next: [Nested groupings with a custom comparer »](./groupings-3.md) Previous: [Groupings «](./groupings.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/join-operators.md b/101-linq-samples/docs/join-operators.md index e9802da..58c45a5 100644 --- a/101-linq-samples/docs/join-operators.md +++ b/101-linq-samples/docs/join-operators.md @@ -30,6 +30,6 @@ A so-called outer join can be expressed with a group join. A left outer join is ``` cs --region left-outer-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Join operators »](./join-operators.md)** +**Previous: [Query execution »](./query-execution.md)** **[Home](../README.md)** diff --git a/101-linq-samples/docs/partitions-2.md b/101-linq-samples/docs/partitions-2.md index 8ac1a7c..f2ab72b 100644 --- a/101-linq-samples/docs/partitions-2.md +++ b/101-linq-samples/docs/partitions-2.md @@ -30,7 +30,7 @@ This sample uses SkipWhile to get the elements of the array starting from the fi ``` cs --region indexed-skipwhile --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` -**Next: [Partitions »](./partitions.md) Previous: [Partitions «](./partitions.md)** +**Next: [Ordering operations »](./orderings.md) Previous: [Partitions «](./partitions.md)** **[Home](../README.md)** diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index c809187..64f7885 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -115,36 +115,35 @@ The `select` keyword or `Select` method provide this capability. These operators - [Check if all elements match a condition](docs/quantifiers.md#check-that-all-matching-elements) - [Group where all elements match a condition](docs/quantifiers.md#group-by-all-elements-matching-a-condition) -## [Aggregator operators](docs/aggregators.md) - -- [Count all elements in a sequence](docs/aggregators.md#count-all-elements-in-a-sequence) -- [Count all elements matching a condition in a sequence](docs/aggregators.md#count-all-elements-matching-a-condition) -- [Count all elements matching a condition in a sequence](docs/aggregators.md#count-all-elements-nested-in-a-query) -- [Count all elements in a group](docs/aggregators.md#count-all-elements-that-are-memebers-of-a-group) -- [Sum all elements in a sequence](docs/aggregators.md#sum-all-numeric-elements-in-a-sequence) -- [Sum a projection from sequence](docs/aggregators.md#sum-all-elements-matching-a-condition) -- [Sum all elements in a group](docs/aggregators.md#sum-all-elements-that-are-memebers-of-a-group) -- [Find the minimum element in a sequence](docs/aggregators.md#find-the-minimum-of-a-sequence-of-elements) -- [Find the minimum of a projection from a sequence](docs/aggregators.md#find-the-minimum-of-a-projection) -- [Find the minimum in each group](docs/aggregators.md#find-the-minimum-in-each-group) -- [Find all minimums in a group](docs/aggregators.md#find-all-elements-matching-the-minimum) -- [Find the maximum element in a sequence](docs/aggregators.md#find-the-maximum-of-a-sequence-of-elements) -- [Find the maximum of a projection from a sequence](docs/aggregators.md#find-the-maximum-of-a-projection) -- [Find the maximum in each group](docs/aggregators.md#find-the-maximum-in-each-group) -- [Find all maximums in a group](docs/aggregators.md#find-all-elements-matching-the-maximum) -- [Find the average of all element in a sequence](docs/aggregators.md#find-the-average-of-a-sequence-of-elements) -- [Find the maximum of a projection from a sequence](docs/aggregators.md#find-the-average-of-a-projection) -- [Find the maximum in each group](docs/aggregators.md#find-the-average-in-each-group) -- [Compute an aggregate from all elements in a sequence](docs/aggregators.md#compute-an-aggregate-value-from-all-elements-of-a-sequence) -- [Compute an aggregate from a seed and elements in a sequence](docs/aggregators.md#compute-an-aggregate-value-from-a-seed-value-and-all-elements-of-a-sequence) +## [Aggregator operators](docs/aggregates.md) + +- [Count all elements in a sequence](docs/aggregates.md#count-all-elements-in-a-sequence) +- [Count all elements matching a condition in a sequence](docs/aggregates.md#count-all-elements-matching-a-condition) +- [Count all elements from a nested query](docs/aggregates.md#count-all-elements-nested-in-a-query) +- [Count all elements in a group](docs/aggregates.md#count-all-elements-that-are-members-of-a-group) +- [Sum all elements in a sequence](docs/aggregates-1.md#sum-all-numeric-elements-in-a-sequence) +- [Sum a projection from sequence](docs/aggregates-1.md#sum-a-projection-from-a-sequence) +- [Sum all elements in a group](docs/aggregates-1.md#sum-all-elements-that-are-members-of-a-group) +- [Find the minimum element in a sequence](docs/aggregates-2.md#find-the-minimum-of-a-sequence-of-elements) +- [Find the minimum of a projection from a sequence](docs/aggregates-2.md#find-the-minimum-of-a-projection) +- [Find the minimum in each group](docs/aggregates-2.md#find-the-minimum-in-each-group) +- [Find all minimums in a group](docs/aggregates-2.md#find-all-elements-matching-the-minimum) +- [Find the maximum element in a sequence](docs/aggregates-3.md#find-the-maximum-of-a-sequence-of-elements) +- [Find the maximum of a projection from a sequence](docs/aggregates-3.md#find-the-maximum-of-a-projection) +- [Find the maximum in each group](docs/aggregates-3.md#find-the-maximum-in-each-group) +- [Find all maximums in a group](docs/aggregates-3.md#find-all-elements-matching-the-maximum) +- [Find the average of all element in a sequence](docs/aggregates-3.md#find-the-average-of-a-sequence-of-elements) +- [Find the maximum of a projection from a sequence](docs/aggregates-3.md#find-the-average-of-a-projection) +- [Find the maximum in each group](docs/aggregates-3.md#find-the-average-in-each-group) +- [Compute an aggregate from all elements in a sequence](docs/aggregates-4.md#compute-an-aggregate-value-from-all-elements-of-a-sequence) +- [Compute an aggregate from a seed and elements in a sequence](docs/aggregates-4.md#compute-an-aggregate-value-from-a-seed-value-and-all-elements-of-a-sequence) ## [Sequence operations](docs/sequence-operations.md) - [Compare two sequences for equality](docs/sequence-operations.md#count-all-elements-in-a-sequence) - [Concatenate two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences) - [Concatenate projections from two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences) -- [Concatenate projections from two sequences](docs/sequence-combine.md#concatenate-projections-from-two-sequences) -- [Combine sequences with zip](docs/sequence-combine.md#combine-sequences-with-zip) +- [Combine sequences with zip](docs/sequence-operations.md#combine-sequences-with-zip) ## [Eager and lazy query execution](docs/query-execution.md) @@ -156,6 +155,5 @@ The `select` keyword or `Select` method provide this capability. These operators - [Cross join](docs/join-operators.md#cross-join) - [Group join](docs/join-operators.md#group-join) -- [Group join query](docs/join-operators.md#group-join) - [Cross join with group join](docs/join-operators.md#cross-join-with-group-join) - [Left outer join](docs/join-operators.md#left-outer-join-using-group-join) From 7e227b12de6b9f1f607b6562b18b6bbb05e3e30f Mon Sep 17 00:00:00 2001 From: Bill Wagner Date: Sat, 21 Sep 2019 15:30:17 -0400 Subject: [PATCH 23/23] Final proofread And done. --- 101-linq-samples/docs/aggregates-1.md | 6 +- 101-linq-samples/docs/conversions.md | 2 +- 101-linq-samples/docs/groupings.md | 6 +- 101-linq-samples/docs/join-operators.md | 8 +- 101-linq-samples/docs/orderings-2.md | 6 +- 101-linq-samples/docs/orderings-3.md | 6 +- 101-linq-samples/docs/orderings-4.md | 2 +- 101-linq-samples/docs/orderings-5.md | 4 +- 101-linq-samples/docs/orderings.md | 4 +- 101-linq-samples/docs/partitions-2.md | 8 +- 101-linq-samples/docs/partitions.md | 12 +- 101-linq-samples/docs/projections-2.md | 6 +- 101-linq-samples/docs/projections-3.md | 4 +- 101-linq-samples/docs/projections-4.md | 4 +- 101-linq-samples/docs/projections-5.md | 6 +- 101-linq-samples/docs/projections.md | 8 +- 101-linq-samples/docs/quantifiers.md | 8 +- 101-linq-samples/docs/restrictions.md | 12 +- 101-linq-samples/docs/sequence-operations.md | 2 +- 101-linq-samples/docs/sets-2.md | 4 +- 101-linq-samples/docs/sets.md | 4 +- 101-linq-samples/readme.md | 236 ++++++++++--------- 101-linq-samples/src/Partitions.cs | 9 +- 101-linq-samples/src/Quantifiers.cs | 18 +- 24 files changed, 203 insertions(+), 182 deletions(-) diff --git a/101-linq-samples/docs/aggregates-1.md b/101-linq-samples/docs/aggregates-1.md index d3a4c8e..801a658 100644 --- a/101-linq-samples/docs/aggregates-1.md +++ b/101-linq-samples/docs/aggregates-1.md @@ -4,21 +4,21 @@ ## Sum all numeric elements in a sequence -This sample uses Sum to get the total of the numbers in an array. +This sample uses `Sum` to get the total of the numbers in an array. ``` cs --region sum-syntax --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj ``` ## Sum a projection from a sequence -This sample uses Sum to get the total number of characters of all words in the array. +This sample uses `Sum` to get the total number of characters of all words in the array. ``` cs --region sum-of-projection --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj ``` ## Sum all elements that are members of a group -This sample uses Sum to get the total units in stock for each product category. +This sample uses `Sum` to get the total units in stock for each product category. ``` cs --region grouped-sum --source-file ../src/AggregateOperators.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/conversions.md b/101-linq-samples/docs/conversions.md index b8f1cb6..f22c9db 100644 --- a/101-linq-samples/docs/conversions.md +++ b/101-linq-samples/docs/conversions.md @@ -25,7 +25,7 @@ This sample uses `ToDictionary` to immediately evaluate a sequence and a related ## Convert elements that match a type -This sample uses `OfType` to return only the elements of the array that are of type double. +This sample uses `OfType` to return only the elements of the array that are of type `double`. ``` cs --region convert-to-type --source-file ../src/Conversions.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/groupings.md b/101-linq-samples/docs/groupings.md index 93b2f62..2a445da 100644 --- a/101-linq-samples/docs/groupings.md +++ b/101-linq-samples/docs/groupings.md @@ -2,7 +2,7 @@ The `group by` and `into` keywords provide grouping constructs to organize elements of the input sequence into buckets. -## Group by into syntax +## Group by into buckets This sample demonstrates the use of `group by` and `into` to create buckets based on the remainder of an integer when dividing it by 5. @@ -11,14 +11,14 @@ This sample demonstrates the use of `group by` and `into` to create buckets base ## Groupby using a property -This sample uses group by to partition a list of words by their first letter. +This sample uses `group by` to partition a list of words by their first letter. ``` cs --region groupby-property --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj ``` ## Grouping using a key property -This sample uses group by to partition a list of products by category. +This sample uses `group by` to partition a list of products by category. ``` cs --region groupby-category --source-file ../src/Groupings.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/join-operators.md b/101-linq-samples/docs/join-operators.md index 58c45a5..d137586 100644 --- a/101-linq-samples/docs/join-operators.md +++ b/101-linq-samples/docs/join-operators.md @@ -1,6 +1,6 @@ # LINQ - Join operations -Learn to use cross join, group join, and left outer join operations in LINQ queries +Learn to use cross `join`, group `join`, and left outer `join` operations in LINQ queries ## Cross join @@ -11,21 +11,21 @@ This sample shows how to efficiently join elements of two sequences based on equ ## Group join -Using a group join you can get all the products that match a given category bundled as a sequence. +Using a group `join` you can get all the products that match a given category bundled as a sequence. ``` cs --region group-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj ``` ## Cross join with group join -The group join operator is more general than join, as this slightly more verbose version of the cross join sample shows. +The group `join` operator is more general than `join`, as this slightly more verbose version of the cross `join` sample shows. ``` cs --region cross-group-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj ``` ## Left outer join using group join -A so-called outer join can be expressed with a group join. A left outer join is like a cross join, except that all the left hand side elements get included at least once, even if they don't match any right hand side elements. Note how Vegetables shows up in the output even though it has no matching products. +A so-called outer join can be expressed with a `group join`. A left outer join is like a cross join, except that all the left hand side elements get included at least once, even if they don't match any right hand side elements. Note how `Vegetables` shows up in the output even though it has no matching products. ``` cs --region left-outer-join --source-file ../src/JoinOperations.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/orderings-2.md b/101-linq-samples/docs/orderings-2.md index 5505dda..a444047 100644 --- a/101-linq-samples/docs/orderings-2.md +++ b/101-linq-samples/docs/orderings-2.md @@ -2,16 +2,16 @@ The `orderby` clause of a LINQ query sorts the output sequence. You can control the properties used for sorting, and specify ascending or descending order. -## orderby descending sytnax +## orderby descending -This sample uses orderby and descending to sort a list of doubles from highest to lowest. +This sample uses `orderby` and `descending` to sort a list of doubles from highest to lowest. ``` cs --region orderbydescending-syntax --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` ## Descending ordering user defined types -This sample uses orderby to sort a list of products by units in stock from highest to lowest. +This sample uses `orderby` to sort a list of products by units in stock from highest to lowest. ``` cs --region orderby-descending-type --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/orderings-3.md b/101-linq-samples/docs/orderings-3.md index a0be622..f49ac64 100644 --- a/101-linq-samples/docs/orderings-3.md +++ b/101-linq-samples/docs/orderings-3.md @@ -4,21 +4,21 @@ The `orderby` clause of a LINQ query sorts the output sequence. You can control ## orderby multiple properties -This sample uses a compound orderby to sort a list of digits, first by length of their name, and then alphabetically by the name itself. +This sample uses a compound `orderby` to sort a list of digits, first by length of their name, and then alphabetically by the name itself. ``` cs --region thenby-syntax --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` ## Multiple ordering descending -This sample uses a compound orderby to sort a list of products, first by category, and then by unit price, from highest to lowest. +This sample uses a compound `orderby` to sort a list of products, first by category, and then by unit price, from highest to lowest. ``` cs --region thenby-ordering --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` ## Reverse the sequence -This sample uses Reverse to create a list of all digits in the array whose second letter is 'i' that is reversed from the order in the original array. +This sample uses `Reverse` to create a list of all digits in the array whose second letter is 'i' that is reversed from the order in the original array. ``` cs --region reverse --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/orderings-4.md b/101-linq-samples/docs/orderings-4.md index e861e6e..aa2f1b0 100644 --- a/101-linq-samples/docs/orderings-4.md +++ b/101-linq-samples/docs/orderings-4.md @@ -14,7 +14,7 @@ This sample orders the customers using the custom comparer ## Descending orders with a custom comparer -This sample uses an OrderBy clause with a custom comparer to do a case-insensitive descending sort of the words in an array. +This sample uses an `OrderBy` clause with a custom comparer to do a case-insensitive descending sort of the words in an array. ``` cs --region desc-custom-comparer --session orderby-custom-descending --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/orderings-5.md b/101-linq-samples/docs/orderings-5.md index c79dade..919e2e6 100644 --- a/101-linq-samples/docs/orderings-5.md +++ b/101-linq-samples/docs/orderings-5.md @@ -7,14 +7,14 @@ The samples on this page use the following custom comparer: ## Multiple ordering with a custom comparer -This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. +This sample uses an `OrderBy` and a `ThenBy` clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. ``` cs --region thenby-custom --session orderby-custom-thenby --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` ## Multiple descending order with a custom comparer -This sample uses an OrderBy and a ThenBy clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. +This sample uses an `OrderBy` and a `ThenBy` clause with a custom comparer to sort first by word length and then by a case-insensitive sort of the words in an array. ``` cs --region thenby-custom-descending --session orderby-custom-descending-thenby --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/orderings.md b/101-linq-samples/docs/orderings.md index d69aaca..2b9924a 100644 --- a/101-linq-samples/docs/orderings.md +++ b/101-linq-samples/docs/orderings.md @@ -2,9 +2,9 @@ The `orderby` clause of a LINQ query sorts the output sequence. You can control the properties used for sorting, and specify ascending or descending order. -## orderby sytnax +## orderby sorts elements -This sample uses orderby to sort a list of words alphabetically. +This sample uses `orderby` to sort a list of words alphabetically. ``` cs --region orderby-syntax --source-file ../src/Orderings.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/partitions-2.md b/101-linq-samples/docs/partitions-2.md index f2ab72b..d48bb55 100644 --- a/101-linq-samples/docs/partitions-2.md +++ b/101-linq-samples/docs/partitions-2.md @@ -4,28 +4,28 @@ ## TakeWhile syntax -This sample uses TakeWhile to return elements starting from the beginning of the array until a number is hit that is not less than 6. +This sample uses `TakeWhile` to return elements starting from the beginning of the array until a number is hit that is not less than 6. ``` cs --region takewhile-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` ## Indexed TakeWhile -This sample uses TakeWhile to return elements starting from the beginning of the array until a number is hit that is less than its position in the array. +This sample uses `TakeWhile` to return elements starting from the beginning of the array until a number is hit that is less than its position in the array. ``` cs --region indexed-takewhile --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` ## SkipWhile syntax -This sample uses SkipWhile to get the elements of the array starting from the first element divisible by 3. +This sample uses `SkipWhile` to get the elements of the array starting from the first element divisible by 3. ``` cs --region skipwhile-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` ## Indexed SkipWhile -This sample uses SkipWhile to get the elements of the array starting from the first element less than its position. +This sample uses `SkipWhile` to get the elements of the array starting from the first element less than its position. ``` cs --region indexed-skipwhile --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/partitions.md b/101-linq-samples/docs/partitions.md index 79f9507..49a055a 100644 --- a/101-linq-samples/docs/partitions.md +++ b/101-linq-samples/docs/partitions.md @@ -2,30 +2,30 @@ The methods `Take`, `Skip`, `TakeWhile` and `SkipWhile` *partition* an output sequence. You use these to limit the portion of an input sequence transferred to the output sequence. -## Take syntax +## Take elements -This sample uses Take to get only the first 3 elements of the array. +This sample uses `Take` to get only the first 3 elements of the array. ``` cs --region take-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` ## Nested Take partitions -This sample uses Take to get the first 3 orders from customers in Washington. +This sample uses `Take` to get the first 3 orders from customers in Washington. ``` cs --region nested-take --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` -## Skip syntax +## Skip elements -This sample uses Skip to get all but the first 4 elements of the array. +This sample uses `Skip` to get all but the first 4 elements of the array. ``` cs --region skip-syntax --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` ## Nested skip partitions -This sample uses Take to get all but the first 2 orders from customers in Washington. +This sample uses `Take` to get all but the first 2 orders from customers in Washington. ``` cs --region nested-skip --source-file ../src/Partitions.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/projections-2.md b/101-linq-samples/docs/projections-2.md index d4948c3..8ff23c5 100644 --- a/101-linq-samples/docs/projections-2.md +++ b/101-linq-samples/docs/projections-2.md @@ -4,7 +4,7 @@ The `select` clause of a LINQ query *projects* the output sequence. It transform ## Select anonymous types or tuples -This sample uses select to produce a sequence of the uppercase and lowercase versions of each word in the original array. The items in the output sequence are *anonymous types*. That means the compiler generates a class for them with the relevant properties, but that type has a name known only to the compiler. +This sample uses `select` to produce a sequence of the uppercase and lowercase versions of each word in the original array. The items in the output sequence are *anonymous types*. That means the compiler generates a class for them with the relevant properties, but that type has a name known only to the compiler. ``` cs --region select-case-anonymous --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` @@ -16,7 +16,7 @@ Beginning with C# 7, you can also project to *tuples*, using the following synta ## Use select to create new types -This sample uses select to produce a sequence containing text representations of digits and whether their length is even or odd. +This sample uses `select` to produce a sequence containing text representations of digits and whether their length is even or odd. ``` cs --region select-new-type --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` @@ -30,7 +30,7 @@ You'll likely see many samples in documentation and articles using anonymous typ ## Select a subset of properties -This sample uses select to produce a sequence containing some properties of Products, including UnitPrice which is renamed to Price in the resulting type. +This sample uses `select` to produce a sequence containing some properties of Products, including UnitPrice which is renamed to Price in the resulting type. ``` cs --region select-subset-properties --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/projections-3.md b/101-linq-samples/docs/projections-3.md index 2812376..e550c9c 100644 --- a/101-linq-samples/docs/projections-3.md +++ b/101-linq-samples/docs/projections-3.md @@ -4,14 +4,14 @@ The `select` clause of a LINQ query *projects* the output sequence. It transform ## Select with index of item -This sample uses an indexed Select clause to determine if the value of ints in an array match their position in the array. +This sample uses an indexed `Select` clause to determine if the value of ints in an array match their position in the array. ``` cs --region select-with-index --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` ## Select combined with where -This sample combines select and where to make a simple query that returns the text form of each digit less than 5. +This sample combines `select` and `where` to make a simple query that returns the text form of each digit less than 5. ``` cs --region select-with-where --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/projections-4.md b/101-linq-samples/docs/projections-4.md index 541bf0c..dc922e0 100644 --- a/101-linq-samples/docs/projections-4.md +++ b/101-linq-samples/docs/projections-4.md @@ -11,14 +11,14 @@ This sample uses a compound `from` clause to make a query that returns all pairs ## Select from related input sequences -This sample uses a comThis sample uses a compound from clause to select all orders where the order total is less than 500.00. +This sample uses a compound `from` clause to select all orders where the order total is less than 500.00. ``` cs --region select-many-drilldown --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` ## Compound select with where clause -This sample uses a compound from clause to select all orders where the order was made in 1998 or later. +This sample uses a compound `from` clause to select all orders where the order was made in 1998 or later. ``` cs --region select-many-filter --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/projections-5.md b/101-linq-samples/docs/projections-5.md index 46c4268..ef05097 100644 --- a/101-linq-samples/docs/projections-5.md +++ b/101-linq-samples/docs/projections-5.md @@ -4,7 +4,7 @@ The `select` clause of a LINQ query *projects* the output sequence. It transform ## Compound select with where and assignment -This sample uses a compound from clause to select all orders where the order total is greater than 2000.00 and uses from assignment to avoid requesting the total twice. +This sample uses a compound `from` clause to select all orders where the order total is greater than 2000.00 and uses `from` assignment to avoid requesting the total twice. ``` cs --region select-many-assignment --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj @@ -12,14 +12,14 @@ This sample uses a compound from clause to select all orders where the order tot ## Compound select with multiple where clauses -This sample uses multiple from clauses so that filtering on customers can be done before selecting their orders. This makes the query more efficient by not selecting and then discarding orders for customers outside of Washington. +This sample uses multiple `from` clauses so that filtering on customers can be done before selecting their orders. This makes the query more efficient by not selecting and then discarding orders for customers outside of Washington. ``` cs --region multiple-where-clauses --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` ## Compound select with index -This sample uses an indexed SelectMany clause to select all orders, while referring to customers by the order in which they are returned from the query. +This sample uses an indexed `SelectMany` clause to select all orders, while referring to customers by the order in which they are returned from the query. ``` cs --region indexed-select-many --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/projections.md b/101-linq-samples/docs/projections.md index d15ea65..beb411b 100644 --- a/101-linq-samples/docs/projections.md +++ b/101-linq-samples/docs/projections.md @@ -2,23 +2,23 @@ The `select` clause of a LINQ query *projects* the output sequence. It transforms each input element into the shape of the output sequence -## Select clause syntax +## Select clause -This sample uses select to produce a sequence of ints one higher than those in an existing array of ints. It demonstrates how select can modify the input sequence. +This sample uses `select` to produce a sequence of ints one higher than those in an existing array of ints. It demonstrates how `select` can modify the input sequence. ``` cs --region select-syntax --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` ## Select a single property -This sample uses select to return a sequence of just the names of a list of products. +This sample uses `select` to return a sequence of just the names of a list of products. ``` cs --region select-property --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` ## Transform with select -This sample uses select to produce a sequence of strings representing the text version of a sequence of ints. +This sample uses `select` to produce a sequence of strings representing the text version of a sequence of ints. ``` cs --region select-transform --source-file ../src/Projections.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/quantifiers.md b/101-linq-samples/docs/quantifiers.md index f8f0d05..3e07e1e 100644 --- a/101-linq-samples/docs/quantifiers.md +++ b/101-linq-samples/docs/quantifiers.md @@ -4,28 +4,28 @@ The methods `Any`, and `All` determine of all elements or any elements match a c ## Check for any matching elements -This sample uses Any to determine if any of the words in the array contain the substring 'ei'. +This sample uses `Any` to determine if any of the words in the array contain the substring 'ei'. ``` cs --region any-matches --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj ``` ## Group by any elements matching a condition -This sample uses Any to return a grouped a list of products only for categories that have at least one product that is out of stock. +This sample uses `Any` to return a grouped a list of products only for categories that have at least one product that is out of stock. ``` cs --region any-grouped --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj ``` ## Check that all elements match a condition -This sample uses All to determine whether an array contains only odd numbers. +This sample uses `All` to determine whether an array contains only odd numbers. ``` cs --region all-match --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj ``` ## Group by all elements matching a condition -This sample uses All to return a grouped a list of products only for categories that have all of their products in stock. +This sample uses `All` to return a grouped a list of products only for categories that have all of their products in stock. ``` cs --region all-grouped --source-file ../src/Quantifiers.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/restrictions.md b/101-linq-samples/docs/restrictions.md index 472b20e..334a946 100644 --- a/101-linq-samples/docs/restrictions.md +++ b/101-linq-samples/docs/restrictions.md @@ -2,35 +2,35 @@ The `where` clause of a LINQ query *restricts* the output sequence. Only the elements that match a condition are added to the output sequence. -## Where clause syntax +## LINQ query structure This sample uses where to find all elements of an array less than 5. It demonstrates the components of a query, including a `where` clause that filters for small numbers. ``` cs --region where-syntax --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj ``` -## Restrict elements based on a property +## Filter elements on a property This sample uses where to find all products that are out of stock. Its `where` clause examines a property of the items in the input sequence. ``` cs --region where-property --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj ``` -## Restrict elements based on multiple conditions +## Filter elements on multiple properties This sample uses where to find all products that are in stock and cost more than 3.00 per unit. -``` cs --region where-property --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj +``` cs --region where-multiple-properties --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj ``` -## Drilldown into output elements +## Examine a sequence property of output elements This sample uses where to find all customers in Washington and then uses the resulting sequence to drill down into their orders. ``` cs --region where-drilldown --source-file ../src/Restrictions.cs --project ../src/Try101LinqSamples.csproj ``` -## Using the indexed where method +## Filter elements based on position This sample demonstrates an indexed Where clause that returns digits whose name is shorter than their value. diff --git a/101-linq-samples/docs/sequence-operations.md b/101-linq-samples/docs/sequence-operations.md index 3f1098e..1c2f769 100644 --- a/101-linq-samples/docs/sequence-operations.md +++ b/101-linq-samples/docs/sequence-operations.md @@ -33,7 +33,7 @@ This sample uses `Concat` to create one sequence that contains the names of all ## Combine sequences with zip -This sample calculates the dot product of two integer vectors. It uses `Zip`` to calculate the dot product, passing it a lambda function to multiply two arrays, element by element, and sum the result. +This sample calculates the dot product of two integer vectors. It uses `Zip` to calculate the dot product, passing it a lambda function to multiply two arrays, element by element, and sum the result. ``` cs --region dot-product --source-file ../src/SequenceOperations.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/sets-2.md b/101-linq-samples/docs/sets-2.md index 88fbc62..4ccdd6b 100644 --- a/101-linq-samples/docs/sets-2.md +++ b/101-linq-samples/docs/sets-2.md @@ -2,7 +2,7 @@ The methods `Distinct`, `Union`, `Intersect`, and `Except` provide set operations to compare multiple sequences. -## Intersect syntax +## Find the intersection of two sets This sample uses `Intersect` to create one sequence that contains the common values shared by both arrays. @@ -11,7 +11,7 @@ This sample uses `Intersect` to create one sequence that contains the common val ## Find the intersection of query results -This sample uses Intersect to create one sequence that contains the common first letter from both product and customer names. +This sample uses `Intersect` to create one sequence that contains the common first letter from both product and customer names. ``` cs --region intersect-different-queries --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` diff --git a/101-linq-samples/docs/sets.md b/101-linq-samples/docs/sets.md index 3efb2a3..a58292b 100644 --- a/101-linq-samples/docs/sets.md +++ b/101-linq-samples/docs/sets.md @@ -2,7 +2,7 @@ The methods `Distinct`, `Union`, `Intersect`, and `Except` provide set operations to compare multiple sequences. -## Distinct syntax +## Find distinct elements This sample uses `Distinct` to remove duplicate elements in a sequence of factors of 300. @@ -16,7 +16,7 @@ This sample uses `Distinct` to find the unique Category names. ``` cs --region distinct-property-values --source-file ../src/SetOperations.cs --project ../src/Try101LinqSamples.csproj ``` -## Union syntax +## Find the union of sets This sample uses `Union` to create one sequence that contains the unique values from both arrays. diff --git a/101-linq-samples/readme.md b/101-linq-samples/readme.md index 64f7885..dfc776d 100644 --- a/101-linq-samples/readme.md +++ b/101-linq-samples/readme.md @@ -5,155 +5,179 @@

-Learn how to use LINQ in your applications with these code samples, covering the entire range of LINQ functionality and demonstrating LINQ with objects, Entity Framework, and XML. +Learn how to use LINQ in your applications with these code samples, covering the entire range of LINQ functionality, demonstrating LINQ with objects. Once you've learned LINQ using object sequences, you can use LINQ with any supported data source. ## Exploring LINQ using this tutorial This tutorial starts with the [fundamentals of LINQ](docs/restrictions.md). You can follow each page in order to explore all the elements of LINQ. Following step-by-step lets you explore LINQ from these fundamental queries through more complicated queries, up to the most complex uses. -Alternatively, if you've got some exposure to LINQ, you can jump to a specific section to refresh your knowledge, or learn techniques you aren't familiar with. Here is the full list of samples: +Alternatively, if you're familiar with LINQ, you can jump to a specific section to refresh your knowledge, or learn new techniques. Here is the full list of samples: -### [Restriction operators](docs/restrictions.md) +### [Restriction operators](docs/restrictions.md): The `where` keyword The `where` keyword or `Where` method provide this capability. These operators restrict, or filter, the input sequence to produce an output sequence. -- [Your first query](docs/restrictions.md#where-clause-syntax) -- [Filter using a property of the input sequence](docs/restrictions.md#restrict-elements-based-on-a-property) -- [Filter using multiple conditions](docs/restrictions.md#restrict-elements-based-on-multiple-conditions) -- [Filter and drilldown into the output elements](docs/restrictions.md#drilldown-into-output-elements) -- [Filter using the input sequence index](docs/restrictions.md#using-the-indexed-where-method) +- [Your first query](docs/restrictions.md#linq-query-structure): the structure of a LINQ query. +- [Filter elements on a property](docs/restrictions.md#filter-elements-on-a-property): filter elements based on a single property +- [Filter elements using multiple properties](docs/restrictions.md#filter-elements-on-multiple-properties): test multiple properties to filter elements in a sequence. +- [Filter and drilldown into the output elements](docs/restrictions.md#examine-a-sequence-property-of-output-elements): filter input elements, then drill into a sequence on each output element. +- [Filter input elements based on index](docs/restrictions.md#filter-elements-based-on-position): use an element's position to filter it. -### [Projection operators](docs/projections.md) +### [Projection operators](docs/projections.md): The `select` keyword The `select` keyword or `Select` method provide this capability. These operators create output sequence elements from input sequence elements. The output elements may be either the same or different types. -- [Fundamentals of select](docs/projections.md#select-clause-syntax) -- [Select one property the input elements](docs/projections.md#select-a-single-property) -- [Transform to an element of another sequence](docs/projections.md#transform-with-select) -- [Select anonymous types or tuples](docs/projections-2.md#select-anonymous-types-or-tuples) -- [Create new types with select](docs/projections-2.md#use-select-to-create-new-types) -- [Select a subset of properties into a new type](docs/projections-2.md#select-a-subset-of-properties) -- [Select the index of source item](docs/projections-3.md#select-with-index-of-item) -- [Combine select and where](docs/projections-3.md#select-combined-with-where) -- [Combine multiple input sequences](docs/projections-4.md#select-from-multiple-input-sequences) -- [Select from related input sequences](docs/projections-4.md#select-from-related-input-sequences) -- [Select multiple sequences with filters](docs/projections-4.md#compound-select-with-where-clause) -- [Select from related sequences ](docs/projections-5.md#compound-select-with-where-and-assignment) -- [Select many with multiple filters](docs/projections-5.md#compound-select-with-multiple-where-clauses) -- [Select many with element index](docs/projections-5.md#compound-select-with-index) +- [Select clause](docs/projections.md#select-clause): Select clause structure +- [Select one property the input elements](docs/projections.md#select-a-single-property): Select a single property from an input element. +- [Transform to an element of another sequence](docs/projections.md#transform-with-select): Map an input sequence element to an output sequence element. +- [Select anonymous types or tuples](docs/projections-2.md#select-anonymous-types-or-tuples): Select output elements that are anonymous types or tuples. +- [Create new types with select](docs/projections-2.md#use-select-to-create-new-types): Construct new properties for output elements. +- [Select a subset of properties into a new type](docs/projections-2.md#select-a-subset-of-properties): Trip the data selected for output elements. +- [Select the index of source item](docs/projections-3.md#select-with-index-of-item): Include an elements position as part of the projection. +- [Combine select and where](docs/projections-3.md#select-combined-with-where): Filter output elements before selecting properties. +- [Combine multiple input sequences](docs/projections-4.md#select-from-multiple-input-sequences): Combine every element of the first sequence with each element of a second input sequence. +- [Select from related input sequences](docs/projections-4.md#select-from-related-input-sequences): Filter on a property of a nested sequence. +- [Select multiple sequences with filters](docs/projections-4.md#compound-select-with-where-clause): Filter on properties of several related input sequences. +- [Select from related sequences ](docs/projections-5.md#compound-select-with-where-and-assignment): Cache a nested sequence to select properties from it. +- [Select many with multiple filters](docs/projections-5.md#compound-select-with-multiple-where-clauses): Filter elements on multiple input sequences. +- [Select many with element index](docs/projections-5.md#compound-select-with-index): Select the index of an input element along with other properties of the element. ## [Partition operators](docs/partitions.md) -- [Take method syntax](docs/partitions.md#take-syntax) -- [Nested take method call](docs/partitions.md#nested-take-partitions) -- [Skip method syntax](docs/partitions.md#skip-syntax) -- [Nested skip method call](docs/partitions.md#nested-skip-partitions) -- [TakeWhile method syntax](docs/partitions-2.md#takewhile-syntax) -- [Indexed TakeWhile method](docs/partitions-2.md#indexed-takewhile) -- [SkipWhile method syntax](docs/partitions-2.md#skipwhile-syntax) -- [Indexed SkipWhile method](docs/partitions-2.md#indexed-skipwhile) - -## [Ordering operators](docs/ordering.md) - -- [Orderby syntax](docs/orderings.md#orderby-syntax) -- [Orderby using a single property](docs/orderings.md#orderby-property) -- [Orderby for user defined types](docs/orderings.md#ordering-user-defined-types) -- [Orderby descending syntax](docs/orderings-2.md#orderby-descending-sytnax) -- [Orderby descending for user defined types](docs/orderings-2.md#descending-ordering-user-defined-types) -- [Thenby syntax](docs/orderings-3.md#orderby-multiple-properties) -- [Thenby descending](docs/orderings-3.md#multiple-ordering-descending) -- [Reverse the input sequence](docs/orderings-3.md#reverse-the-sequence) -- [Orderby with a custom compare function](docs/orderings-4.md#ordering-with-a-custom-comparer) -- [Orderby descending with a custom compare function](docs/orderings-4.md#descending-orders-with-a-custom-comparer) -- [Thenby using a comparer](docs/orderings-5.md#multiple-ordering-with-a-custom-comparer) -- [Thenby descending using a comparer](docs/orderings-5.md#multiple-descending-order-with-a-custom-comparer) +Use the `Take`, `Skip`, `TakeWhile` and `SkipWhile` methods to partition the input sequence. You can get a slice of the input sequence as the output sequence. + +- [Take the first elements](docs/partitions.md#take-elements): Take no more than a number of elements. +- [Take from nested results](docs/partitions.md#nested-take-partitions): Query nested sources and take a set of results. +- [Skip the first elements](docs/partitions.md#skip-elements): Start enumerating after a set of elements. +- [Skip from nested results](docs/partitions.md#nested-skip-partitions): Query nested sources and skip the first results +- [Take based on a condition](docs/partitions-2.md#takewhile-syntax): Take elements while a condition is true.. +- [Indexed TakeWhile method](docs/partitions-2.md#indexed-takewhile): Take based on a condition and the index of an element. +- [Skip based on a condition](docs/partitions-2.md#skipwhile-syntax): Skip elements as long as a condition is true. +- [Indexed SkipWhile method](docs/partitions-2.md#indexed-skipwhile): Skip based on a condition and the index of an element. + +## [Ordering operators](docs/orderings.md) + +The `orderby` keyword, along with `descending`, and the `OrderBy`, `ThenBy`, `OrderbyDescending` and `ThenByDescending` LINQ queries are used to sort data output. + +- [Sort elements](docs/orderings.md#orderby-sorts-elements): Sort elements using the standard sort order. +- [Orderby using a single property](docs/orderings.md#orderby-property): You can sort elements on a single property value +- [Order types you've defined](docs/orderings.md#ordering-user-defined-types): You can use any property that has an ordering relation to order types you've created. +- [Sort in descending order](docs/orderings-2.md#orderby-descending): Add `descending` to sort in descending order +- [Orderby descending on types you define](docs/orderings-2.md#descending-ordering-user-defined-types): With a defined sort order, you can sort in descending order. +- [Thenby to define a secondary sort](docs/orderings-3.md#orderby-multiple-properties): You can define secondary sorts when the primary sort keys are equal. +- [Thenby descending](docs/orderings-3.md#multiple-ordering-descending): Try multiple sort orders in descending order. +- [Reverse the input sequence](docs/orderings-3.md#reverse-the-sequence): The `Reverse` method reverses an input sequence. +- [Orderby with a custom compare function](docs/orderings-4.md#ordering-with-a-custom-comparer): You can define a custom compare function to sort elements. +- [Orderby descending with a custom compare function](docs/orderings-4.md#descending-orders-with-a-custom-comparer): Descending sort can use a custom comparer. +- [Thenby using a comparer](docs/orderings-5.md#multiple-ordering-with-a-custom-comparer): You can mix a standard sort order with a custom comparer. +- [Thenby descending using a comparer](docs/orderings-5.md#multiple-descending-order-with-a-custom-comparer): You can also sort in descending order. ## [Grouping operators](docs/groupings.md) -- [Group by syntax](docs/groupings.md#group-by-into-syntax) -- [Group by using a property](docs/groupings.md#groupby-using-a-property) -- [Group by using a key property](docs/groupings.md#grouping-using-a-key-property) -- [Nested group by queries](docs/groupings.md#nested-group-by-queries) -- [Group by using a custom comparer](docs/groupings-2.md) -- [Nested group by using a custom comparer](docs/groupings-3.md) +The `GroupBy` and `into` operators organize a sequence into buckets. + +- [Group by into buckets](docs/groupings.md#group-by-into-buckets): Group items into buckets based on a property. +- [Group by using a property](docs/groupings.md#groupby-using-a-property): Group items based on a property of the input sequence. +- [Group by using a key property](docs/groupings.md#grouping-using-a-key-property): Group items based on a key value. +- [Nested group by queries](docs/groupings.md#nested-group-by-queries): Nest groups of buckets into a tree structure. +- [Group by using a custom comparer](docs/groupings-2.md): Group items based on a custom function. +- [Nested group by using a custom comparer](docs/groupings-3.md): Build a nested tree structure based on a custom comparer. ## [Set Operators](docs/sets.md) -- [Distinct syntax and form](docs/sets.md#distinct-syntax) -- [Find all distinct values of a single property](docs/sets.md#find-distinct-values-of-a-property) -- [Union syntax and form](docs/sets.md#union-syntax) -- [Union of query results](docs/sets.md#union-of-query-results) -- [Intersect syntax and form](docs/sets-2.md#intersect-syntax) -- [Find the intersection of query results](docs/sets-2.md#find-the-intersection-of-query-results) -- [Find the difference of two sets using except](docs/sets-2.md#find-the-difference-of-two-sets) -- [Find the difference of two queries using except](docs/sets-2.md#difference-of-two-queries) +These operators provide functionality to compare multiple sets of data. You can find the intersection, union, all distinct elements and the difference between sets. + +- [Find distinct elements](docs/sets.md#find-distinct-elements): Build a set of the distinct elements in two sets. +- [Find all distinct values of a single property](docs/sets.md#find-distinct-values-of-a-property): Build a combined set based on values of a single property. +- [Find the union of sets](docs/sets.md#find-the-union-of-sets): Build a set that is the union of two sets. +- [Union of query results](docs/sets.md#union-of-query-results): Find the union of two query results. +- [Find the intersection of sets](docs/sets-2.md#find-the-intersection-of-two-sets): Produce a set that is the intersection of two sets. +- [Find the intersection of query results](docs/sets-2.md#find-the-intersection-of-query-results): Build the intersection of two query result sets. +- [Find the difference of two sets using except](docs/sets-2.md#find-the-difference-of-two-sets): Find elements in the first set that aren't present in the section set. +- [Find the difference of two queries using except](docs/sets-2.md#difference-of-two-queries): Find elements in the first result set that are not present in the second result set. ## [Conversion operators](docs/conversions.md) -- [Convert results to an Array](docs/conversions.md#convert-to-array) -- [Convert results to a list](docs/conversions.md#convert-to-list) -- [Convert results to a dictionary](docs/conversions.md#convert-to-dictionary) -- [Convert results based on item type](docs/conversions.md#convert-elements-that-match-a-type) +Sometimes you want to convert a query result set to a different kind of collection. These operators show how you can do this. + +- [Convert results to an Array](docs/conversions.md#convert-to-array): Convert an output sequence to an `Array`. +- [Convert results to a list](docs/conversions.md#convert-to-list): Convert an output sequence to a `List`. +- [Convert results to a dictionary](docs/conversions.md#convert-to-dictionary): Convert the results of a query to a `Dictionary` based on a property of the output sequence elements. +- [Convert results based on item type](docs/conversions.md#convert-elements-that-match-a-type): Produce an output sequence of only those input elements that match a given type. ## [Element operators](docs/elements.md) -- [Retrieve the first element](docs/elements.md#find-the-first-element) -- [Retrieve the first matching element](docs/elements.md#find-the-first-matching-element) -- [Retrieve the first element or default](docs/elements.md#first-element-of-a-possibly-empty-sequence) -- [Retrieve the first matching element or default](docs/elements.md#first-matching-element-or-default) -- [Find an element by position](docs/elements.md#find-element-at-position) +The methods `First`, `FirstOrDefault`, `Last`, `LastOrDefault`, and `ElementAt` retrieve elements based on the position of that element in the sequence. + +- [Retrieve the first element](docs/elements.md#find-the-first-element): This examples assumes the sequence has at least one element. +- [Retrieve the first matching element](docs/elements.md#find-the-first-matching-element): Find the first element that matches a condition. At least one matching element must exist. +- [Retrieve the first element or default](docs/elements.md#first-element-of-a-possibly-empty-sequence): Find the first element, or `null`, if the sequence is empty. +- [Retrieve the first matching element or default](docs/elements.md#first-matching-element-or-default): Retrieve the first matching element, or null. +- [Find an element by position](docs/elements.md#find-element-at-position): Retrieve the element at a certain position. ## [Generate sequences](docs/generators.md) -- [Generate a range of numbers](docs/generators.md#create-a-range-of-numbers) -- [Repeat the same number](docs/generators.md#repeat-the-same-number) +These methods generate sequences of integers. + +- [Generate a range of numbers](docs/generators.md#create-a-range-of-numbers): Generate sequential numbers. +- [Repeat the same number](docs/generators.md#repeat-the-same-number): Generate the samve value for each element. ## [Quantifying members](docs/quantifiers.md) -- [Check if any elements match a condition](docs/quantifiers.md#check-for-any-matching-elements) -- [Group elements that match a condition](docs/quantifiers.md#group-by-any-elements-matching-a-condition) -- [Check if all elements match a condition](docs/quantifiers.md#check-that-all-matching-elements) -- [Group where all elements match a condition](docs/quantifiers.md#group-by-all-elements-matching-a-condition) +The methods `Any` and `All` test for elements that match a condition. `Any` checks for one element. `All` checks that all elements match the condition. + +- [Check if any elements match a condition](docs/quantifiers.md#check-for-any-matching-elements): Does at least one element match a condition? +- [Group elements that match a condition](docs/quantifiers.md#group-by-any-elements-matching-a-condition): Group elements by those that match a conition. +- [Check if all elements match a condition](docs/quantifiers.md#check-that-all-matching-elements): Do all elements match a condition? +- [Group where all elements match a condition](docs/quantifiers.md#group-by-all-elements-matching-a-condition): Group all elements that match a given condition. ## [Aggregator operators](docs/aggregates.md) -- [Count all elements in a sequence](docs/aggregates.md#count-all-elements-in-a-sequence) -- [Count all elements matching a condition in a sequence](docs/aggregates.md#count-all-elements-matching-a-condition) -- [Count all elements from a nested query](docs/aggregates.md#count-all-elements-nested-in-a-query) -- [Count all elements in a group](docs/aggregates.md#count-all-elements-that-are-members-of-a-group) -- [Sum all elements in a sequence](docs/aggregates-1.md#sum-all-numeric-elements-in-a-sequence) -- [Sum a projection from sequence](docs/aggregates-1.md#sum-a-projection-from-a-sequence) -- [Sum all elements in a group](docs/aggregates-1.md#sum-all-elements-that-are-members-of-a-group) -- [Find the minimum element in a sequence](docs/aggregates-2.md#find-the-minimum-of-a-sequence-of-elements) -- [Find the minimum of a projection from a sequence](docs/aggregates-2.md#find-the-minimum-of-a-projection) -- [Find the minimum in each group](docs/aggregates-2.md#find-the-minimum-in-each-group) -- [Find all minimums in a group](docs/aggregates-2.md#find-all-elements-matching-the-minimum) -- [Find the maximum element in a sequence](docs/aggregates-3.md#find-the-maximum-of-a-sequence-of-elements) -- [Find the maximum of a projection from a sequence](docs/aggregates-3.md#find-the-maximum-of-a-projection) -- [Find the maximum in each group](docs/aggregates-3.md#find-the-maximum-in-each-group) -- [Find all maximums in a group](docs/aggregates-3.md#find-all-elements-matching-the-maximum) -- [Find the average of all element in a sequence](docs/aggregates-3.md#find-the-average-of-a-sequence-of-elements) -- [Find the maximum of a projection from a sequence](docs/aggregates-3.md#find-the-average-of-a-projection) -- [Find the maximum in each group](docs/aggregates-3.md#find-the-average-in-each-group) -- [Compute an aggregate from all elements in a sequence](docs/aggregates-4.md#compute-an-aggregate-value-from-all-elements-of-a-sequence) -- [Compute an aggregate from a seed and elements in a sequence](docs/aggregates-4.md#compute-an-aggregate-value-from-a-seed-value-and-all-elements-of-a-sequence) +There are a number of methods that perform calculations on values in a sequence. Note that some of these methods require that the input sequence is a numeric type. Those methods are noted below. + +- [Count all elements in a sequence](docs/aggregates.md#count-all-elements-in-a-sequence): Count all elements works on any type. +- [Count all elements matching a condition in a sequence](docs/aggregates.md#count-all-elements-matching-a-condition): Count all elements that match a conditin. +- [Count all elements from a nested query](docs/aggregates.md#count-all-elements-nested-in-a-query): Count all elements in a nested query result. +- [Count all elements in a group](docs/aggregates.md#count-all-elements-that-are-members-of-a-group): Count all the elements in a group. +- [Sum all elements in a sequence](docs/aggregates-1.md#sum-all-numeric-elements-in-a-sequence): Sum all elements in a sequence of numbers. +- [Sum a projection from sequence](docs/aggregates-1.md#sum-a-projection-from-a-sequence): Sum a numeric projection from a sequence of elements. +- [Sum all elements in a group](docs/aggregates-1.md#sum-all-elements-that-are-members-of-a-group): Sum the numeric elements in a group projection. +- [Find the minimum element in a sequence](docs/aggregates-2.md#find-the-minimum-of-a-sequence-of-elements): Find the minimum value in a numeric sequence. +- [Find the minimum of a projection from a sequence](docs/aggregates-2.md#find-the-minimum-of-a-projection): Find the minimum value of a numeric projection from a sequence. +- [Find the minimum in each group](docs/aggregates-2.md#find-the-minimum-in-each-group): Find the smallest numeric value in a group projection. +- [Find all minimums in a group](docs/aggregates-2.md#find-all-elements-matching-the-minimum): Find all elements that are the minimum numeric value. +- [Find the maximum element in a sequence](docs/aggregates-3.md#find-the-maximum-of-a-sequence-of-elements): Find the maximum of a numeric sequence. +- [Find the maximum of a projection from a sequence](docs/aggregates-3.md#find-the-maximum-of-a-projection): Find the maximum of a numeric projection of a sequence. +- [Find the maximum in each group](docs/aggregates-3.md#find-the-maximum-in-each-group): Find the maximum numeric value in each output group of a query. +- [Find all maximums in a group](docs/aggregates-3.md#find-all-elements-matching-the-maximum): Find all numeric values that match the maximum value. +- [Find the average of all element in a sequence](docs/aggregates-3.md#find-the-average-of-a-sequence-of-elements): Find the average of all numeric values in a sequence. +- [Find the maximum of a projection from a sequence](docs/aggregates-3.md#find-the-average-of-a-projection): Find the maximum of a numeric projection from a sequence. +- [Find the maximum in each group](docs/aggregates-3.md#find-the-average-in-each-group): Find the numeric maximum in each group projection. +- [Compute an aggregate from all elements in a sequence](docs/aggregates-4.md#compute-an-aggregate-value-from-all-elements-of-a-sequence): Compute a single value from all elements in a sequence. These need not be numeric sequences. +- [Compute an aggregate from a seed and elements in a sequence](docs/aggregates-4.md#compute-an-aggregate-value-from-a-seed-value-and-all-elements-of-a-sequence): Compute a single value from a seed value and a sequence. The elements need not be numeric. ## [Sequence operations](docs/sequence-operations.md) -- [Compare two sequences for equality](docs/sequence-operations.md#count-all-elements-in-a-sequence) -- [Concatenate two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences) -- [Concatenate projections from two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences) -- [Combine sequences with zip](docs/sequence-operations.md#combine-sequences-with-zip) +These methods operate on entire sequences rather than elements of a sequence. They compare sequences or create new sequences from combining all elements. + +- [Compare two sequences for equality](docs/sequence-operations.md#count-all-elements-in-a-sequence): Do two sequences contain the same elements in the same order? +- [Concatenate two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences): Create a new sequence from all elements in two source sequences. +- [Concatenate projections from two sequences](docs/sequence-operations.md#concatenate-projections-from-two-sequences): Create a new sequence from a projection of all elements in two source collections. +- [Combine sequences with zip](docs/sequence-operations.md#combine-sequences-with-zip): Combine two sequences by producing a new elements from pairs of elements in two source sequences. ## [Eager and lazy query execution](docs/query-execution.md) -- [Queries execute lazily](docs/query-execution.md#queries-execute-lazily) -- [Request eager execution](docs/query-execution.md#request-eager-query-execution) -- [Reuse queries with new results](docs/query-execution.md#reuse-queries-with-new-results) +You can use different query operations to specify eager execution instead of lazy execution. + +- [Queries execute lazily](docs/query-execution.md#queries-execute-lazily): This demonstrates the default query execution. +- [Request eager execution](docs/query-execution.md#request-eager-query-execution): This forces eager execution to demonstrate teh difference. +- [Reuse queries with new results](docs/query-execution.md#reuse-queries-with-new-results): Queries executing lazily can produce different results if the source collection changes. ## [Join operations](docs/join-operators.md) -- [Cross join](docs/join-operators.md#cross-join) -- [Group join](docs/join-operators.md#group-join) -- [Cross join with group join](docs/join-operators.md#cross-join-with-group-join) -- [Left outer join](docs/join-operators.md#left-outer-join-using-group-join) +These operations perform similar functions to SQL join operators. These work with any LINQ data source. + +- [Cross join](docs/join-operators.md#cross-join): Perform a cross join. +- [Group join](docs/join-operators.md#group-join): Perform a group join. +- [Cross join with group join](docs/join-operators.md#cross-join-with-group-join): Perform a cross join combined with a group join. +- [Left outer join](docs/join-operators.md#left-outer-join-using-group-join): Simulate a left outer join using a group join. diff --git a/101-linq-samples/src/Partitions.cs b/101-linq-samples/src/Partitions.cs index 69ea362..5ed3fc7 100644 --- a/101-linq-samples/src/Partitions.cs +++ b/101-linq-samples/src/Partitions.cs @@ -70,11 +70,10 @@ public int NestedSkip() #region nested-skip List customers = GetCustomerList(); - var waOrders = - from cust in customers - from order in cust.Orders - where cust.Region == "WA" - select (cust.CustomerID, order.OrderID, order.OrderDate); + var waOrders = from cust in customers + from order in cust.Orders + where cust.Region == "WA" + select (cust.CustomerID, order.OrderID, order.OrderDate); var allButFirst2Orders = waOrders.Skip(2); diff --git a/101-linq-samples/src/Quantifiers.cs b/101-linq-samples/src/Quantifiers.cs index 0537926..250ef88 100644 --- a/101-linq-samples/src/Quantifiers.cs +++ b/101-linq-samples/src/Quantifiers.cs @@ -26,11 +26,10 @@ public int GroupedAnyMatchedElements() { #region any-grouped List products = GetProductList(); - var productGroups = - from p in products - group p by p.Category into g - where g.Any(p => p.UnitsInStock == 0) - select (Category: g.Key, Products: g); + var productGroups = from p in products + group p by p.Category into g + where g.Any(p => p.UnitsInStock == 0) + select (Category: g.Key, Products: g); foreach(var group in productGroups) { @@ -61,11 +60,10 @@ public int GroupedAllMatchedElements() #region all-grouped List products = GetProductList(); - var productGroups = - from p in products - group p by p.Category into g - where g.All(p => p.UnitsInStock > 0) - select (Category: g.Key, Products: g); + var productGroups = from p in products + group p by p.Category into g + where g.All(p => p.UnitsInStock > 0) + select (Category: g.Key, Products: g); foreach (var group in productGroups) {