Add imports to more manual pages

doc/code/CodeGenerator.scala

@@ -1,8 +1,10 @@
package com.typesafe.slick.docs

//#imports
import scala.concurrent.ExecutionContext.Implicits.global
import slick.jdbc.H2Profile.api._
import slick.jdbc.H2Profile
//#imports

object CodeGenerator extends App {
  val uri = "#slick.db.default"

doc/code/Connection.scala

@@ -1,5 +1,6 @@
package com.typesafe.slick.docs

//#imports
import java.sql.Blob
import javax.sql.rowset.serial.SerialBlob

@@ -13,6 +14,7 @@ import scala.language.higherKinds
import scala.util.{Failure, Success}
import slick.basic.DatabasePublisher
import slick.jdbc.H2Profile.api._
//#imports

object Connection extends App {
  class Coffees(tag: Tag) extends Table[(String, Blob)](tag, "COFFEES") {

doc/code/LiftedEmbedding.scala

@@ -1,10 +1,12 @@
package com.typesafe.slick.docs

//#imports
import scala.concurrent.{Future, Await}
import scala.concurrent.duration.Duration
import slick.jdbc.H2Profile.api._
import java.sql.Date
import scala.reflect.ClassTag
//#imports

object LiftedEmbedding extends App {
  // Simple Coffees for Rep types comparison

doc/src/code-generation.md

@@ -35,6 +35,13 @@ For Maven projects add the following to your `<dependencies>`:
</dependency>
```

> {.note}
> In the code examples below we assume the following imports:
>```scala src=../code/CodeGenerator.scala#imports
> ```
> If you're new to Slick, please start with the [Getting Started](gettingstarted.md) page.


Slick's code generator comes with a default runner that can be used from the command line or from Java/Scala. You can simply execute

```scala src=../code/CodeGenerator.scala#default-runner-uri

doc/src/dbio.md

@@ -15,6 +15,12 @@ In most cases you will want to use the type aliases [DBIO](api:slick.dbio.packag
and [StreamingDBIO](api:slick.dbio.package@StreamingDBIO[+R,+T]:StreamingDBIO[R,T]) for non-streaming and
streaming Database I/O Actions. They omit the optional *effect types* supported by <api:slick.dbio.DBIOAction>.

> {.note}
> In the code examples below we assume the following imports:
>```scala src=../code/Connection.scala#imports
> ```
> If you're new to Slick, please start with the [Getting Started](gettingstarted.md) page.

Executing Database I/O Actions {index="execute,Action;Action,execute"}
------------------------------

doc/src/queries.md

@@ -2,7 +2,15 @@ Queries {index="lifted; Query"}
=======

This chapter describes how to write type-safe queries for selecting, inserting, updating and
deleting data with Slick's Scala-based query API. The API for building queries is a
deleting data with Slick's Scala-based query API.

 > {.note}
 > In the code examples below we assume the following imports:
 >```scala src=../code/LiftedEmbedding.scala#imports
 > ```
 > If you're new to Slick, please start with the [Getting Started](gettingstarted.md) page.

The API for building queries is a
*lifted embedding*, which means that you are not working with standard Scala types but with types
that are *lifted* into a <api:slick.lifted.Rep> type constructor. This becomes clearer when you
compare the types of a simple Scala collections example

doc/src/schemas.md

@@ -6,6 +6,12 @@ them manually, which is useful when you start writing an application without a p
If you already have a schema in the database, you can also use the [code generator](code-generation.md)
to take this work off your hands.

> {.note}
> In the code examples below we assume the following imports:
>```scala src=../code/LiftedEmbedding.scala#imports
> ```
> If you're new to Slick, please start with the [Getting Started](gettingstarted.md) page.

Table Rows {index="table; row; ColumnOption; primary key; default; type; AutoInc; generated; identity; *; star projection; schema,name; name,schema"}
----------

doc/src/userdefined.md

@@ -4,6 +4,12 @@ User-Defined Features {index="user-defined"}
This chapter describes how to use custom data types and database functions
with Slick's Scala API.

> {.note}
> In the code examples below we assume the following imports:
>```scala src=../code/LiftedEmbedding.scala#imports
> ```
> If you're new to Slick, please start with the [Getting Started](gettingstarted.md) page.

Scalar Database Functions {index="scalar,function,user-defined; function,scalar,user-defined"}
-------------------------