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CHANGELOG
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=== HEAD
* Fix MySQL commands out of sync error when using queries with multiple result sets without retrieving all result sets (jeremyevans)
* Allow splitting of multiple result sets into separate arrays when using multiple statements in a single query in the native MySQL adapter (jeremyevans)
* Don't include primary key indexes when parsing MSSQL indexes on JDBC (jeremyevans)
* Make Dataset#insert_select return nil on PostgreSQL if disable_insert_returning is used (jeremyevans)
* Speed up execution of prepared statements with bound variables on MySQL (ibc@aliax.net)
* Add association_dependencies plugin, for deleting, destroying, or nullifying associated objects when destroying a model object (jeremyevans)
* Add :validate association option, set to false to not validate when implicitly saving associated objects (jeremyevans)
* Add subclasses plugin, for recording all of a models subclasses and descendent classes (jeremyevans)
* Add looser_typecasting extension, for using .to_f and .to_i instead of Kernel.Float and Kernel.Integer when typecasting floats and integers (jeremyevans)
* Catch database errors when preparing statements or setting variable values when using the native MySQL adapter (jeremyevans)
* Add typecast_on_load plugin, for fixing bad database typecasting when loading model objects (jeremyevans)
* Detect more types of MySQL disconnection errors (jeremyevans)
* Add Sequel.convert_exception_class for wrapping exceptions (jeremyevans)
* Model#modified? now always considers new records as modified (jeremyevans)
* Typecast before checking current model attribute value, instead of after (jeremyevans)
* Don't attempt to use unparseable defaults as literals when dumping the schema for a MySQL database (jeremyevans)
* Handle MySQL enum defaults in the schema dumper (jeremyevans)
* Support Database#server_version on MSSQL (dlee, jeremyevans)
* Support updating and deleting joined datasets on MSSQL (jfirebaugh)
* Support the OUTPUT SQL clause on MSSQL delete, insert, and update statements (jfirebaugh)
* Refactor generation of delete, insert, select, and update statements (jfirebaugh, jeremyevans)
* Do a better job of parsing defaults on MSSQL (jfirebaugh)
=== 3.4.0 (2009-09-02)
* Allow datasets without tables to work correctly on Oracle (mikegolod)
* Add #invert, #asc, and #desc to OrderedExpression (dlee)
* Allow validates_unique to take a block used to scope the uniqueness constraint (drfreeze, jeremyevans)
* Automatically save a new many_to_many associated object when associating the object via add_* (jeremyevans)
* Add a nested_attributes plugin for modifying associated objects directly through a model object (jeremyevans)
* Add an instance_hooks plugin for adding hooks to specific model instances (jeremyevans)
* Add a boolean_readers plugin for creating attribute? methods for boolean columns (jeremyevans)
* Add Dataset#ungrouped which removes existing grouping (jeremyevans)
* Make Dataset#group with nil or no arguments to remove existing grouping (dlee)
* Fix using multiple emulated ALTER TABLE statements (e.g. drop_column) in a single alter_table block on SQLite (jeremyevans)
* Don't allow inserting on a grouped dataset or a dataset that selects from multiple tables (jeremyevans)
* Allow class Item < Sequel::Model(DB2) to work (jeremyevans)
* Add Dataset#truncate for truncating tables (jeremyevans)
* Add Database#run method for executing arbitrary SQL on a database (jeremyevans)
* Handle index parsing correctly for tables in a non-default schema on JDBC (jfirebaugh)
* Handle unique index parsing correctly when connecting to MSSQL via JDBC (jfirebaugh)
* Add support for converting Time/DateTime to local or UTC time upon storage, retrieval, or typecasting (jeremyevans)
* Accept a hash when typecasting values to date, time, and datetime types (jeremyevans)
* Make JDBC adapter prepared statements support booleans, blobs, and potentially any type of object (jfirebaugh)
* Refactor the inflection support and modify the default inflections (jeremyevans, dlee)
* Make the serialization and lazy_attribute plugins add accessor methods to modules included in the class (jeremyevans)
* Make Database#schema on JDBC include a :column_size entry specifying the maximum length/precision for the column (jfirebaugh)
* Make Database#schema on JDBC accept a :schema option (dlee)
* Fix Dataset#import when called with a dataset (jeremyevans)
* Give a much more descriptive error message if the mysql.rb driver is detected (jeremyevans)
* Make postgres adapter work with a modified postgres-pr that raises PGError (jeremyevans)
* Make ODBC adapter respect Sequel.datetime_class (jeremyevans)
* Add support for generic concepts of CURRENT_{DATE,TIME,TIMESTAMP} (jeremyevans)
* Add a timestamps plugin for automatically creating hooks for create and update timestamps (jeremyevans)
* Add support for serializing to json (derdewey)
=== 3.3.0 (2009-08-03)
* Add an assocation_proxies plugin that uses proxies for associations (jeremyevans)
* Have the add/remove/remove_all methods take additional arguments and pass them to the internal methods (clivecrous)
* Move convert_tinyint_to_bool method from Sequel to Sequel::MySQL (jeremyevans)
* Model associations now default to associating to classes in the same scope (jeremyevans, nougad) (#274)
* Add Dataset#unlimited, similar to unfiltered and unordered (jeremyevans)
* Make Dataset#from_self take an options hash and respect an :alias option, giving the alias to use (Phrogz)
* Make the JDBC adapter accept a :convert_types option to turn off Java type conversion and double performance (jeremyevans)
* Slight increase in ConnectionPool performance (jeremyevans)
* SQL::WindowFunction can now be aliased/casted etc. just like SQL::Function (jeremyevans)
* Model#save no longer attempts to update primary key columns (jeremyevans)
* Sequel will now unescape values provided in connection strings (e.g. ado:///db?host=server%5cinstance) (jeremyevans)
* Significant improvements to the ODBC and ADO adapters in general (jeremyevans)
* The ADO adapter no longer attempts to use database transactions, since they never worked (jeremyevans)
* Much better support for Microsoft SQL Server using the ADO, ODBC, and JDBC adapters (jeremyevans)
* Support rename_column, set_column_null, set_column_type, and add_foreign_key on H2 (jeremyevans)
* Support adding a column with a primary key or unique constraint to an existing table on SQLite (jeremyevans)
* Support altering a column's type, null status, or default on SQLite (jeremyevans)
* Fix renaming a NOT NULL column without a default on MySQL (nougad, jeremyevans) (#273)
* Don't swallow DatabaseConnectionErrors when creating model subclasses (tommy.midttveit)
=== 3.2.0 (2009-07-02)
* In the STI plugin, don't overwrite the STI field if it is already set (jeremyevans)
* Add support for Common Table Expressions, which use the SQL WITH clause (jeremyevans)
* Add SQL::WindowFunction, expand virtual row blocks to support them and other constructions (jeremyevans)
* Add Model#autoincrementing_primary_key, for when the autoincrementing key isn't the same as the primary key (jeremyevans)
* Add Dataset#ungraphed, to remove the splitting of results into subhashes or associated records (jeremyevans)
* Support :opclass option for PostgreSQL indexes (tmi, jeremyevans)
* Make parsing of server's version more reliable for PostgreSQL (jeremyevans)
* Add Dataset#qualify, which is qualify_to with a first_source default (jeremyevans)
* Add :ruby_default to parsed schema information, which contains a ruby object representing the database default (jeremyevans)
* Fix changing a column's name, type, or null status on MySQL when column has a string default (jeremyevans)
* Remove Dataset#to_table_reference protected method, no longer used (jeremyevans)
* Fix thread-safety issue in stored procedure code (jeremyevans)
* Remove SavepointTransactions module, integrate into Database code (jeremyevans)
* Add supports_distinct_on? method (jeremyevans)
* Remove SQLStandardDateFormat, replace with requires_sql_standard_datetimes? method (jeremyevans)
* Remove UnsupportedIsTrue module, replace with supports_is_true? method (jeremyevans)
* Remove UnsupportedIntersectExcept(All)? modules, replace with methods (jeremyevans)
* Make Database#indexes work on PostgreSQL versions prior to 8.3 (tested on 7.4) (jeremyevans)
* Fix bin/sequel using a YAML file on 1.9 (jeremyevans)
* Allow connection pool options to be specified in connection string (jeremyevans)
* Handle :user and :password options in the JDBC adapter (jeremyevans)
* Fix warnings when using the ODBC adapter (jeremyevans)
* Add opening_databases.rdoc file for describing how to connect to a database (mwlang, jeremyevans)
* Significantly increase JDBC select performance (jeremyevans)
* Slightly increase SQLite select performance using the native adapter (jeremyevans)
* Majorly increase MySQL select performance using the native adapter (jeremyevans)
* Pass through unsigned/elements/size and other options when altering columns on MySQL (tmm1)
* Allow on_duplicate_key_update to affect Dataset#insert on MySQL (tmm1)
* Support using a given table and column to store schema versions, using new Migrator.run method (bougyman, jeremyevans)
* Fix foreign key table constraints on MySQL (jeremyevans)
* Remove Dataset#table_exists?, use Database#table_exists? instead (jeremyevans)
* Fix graphing of datasets with dataset sources (jeremyevans) (#271)
* Raise a Sequel::Error if Sequel.connect is called with something other than a Hash or String (jeremyevans) (#272)
* Add -N option to bin/sequel to not test the database connection (jeremyevans)
* Make Model.grep call Dataset#grep instead of Enumerable#grep (jeremyevans)
* Support the use of Regexp as first argument to StringExpression.like (jeremyevans)
* Fix Database#indexes on PostgreSQL when the schema used is a symbol (jeremyevans)
=== 3.1.0 (2009-06-04)
* Require the classes match to consider an association a reciprocal (jeremyevans) (#270)
* Make Migrator work correctly with file names like 001_873465873465873465_some_name.rb (jeremyevans) (#267)
* Add Dataset#qualify_to and #qualify_to_first_source, for qualifying unqualified identifiers in the dataset (jeremyevans)
* All the use of #sql_subscript on most SQL::* objects, and support non-integer subscript values (jeremyevans)
* Add reflection.rdoc file which explains and gives examples of many of Sequel's reflection methods (jeremyevans)
* Add many_through_many plugin, allowing you to construct an association to multiple objects through multiple join tables (jeremyevans)
* Add the :cartesian_product_number option to associations, for specifying if they can cause a cartesian product (jeremyevans)
* Make :eager_graph association option work correctly when lazily loading many_to_many associations (jeremyevans)
* Make eager_unique_table_alias consider joined tables as well as tables in the FROM clause (jeremyevans)
* Make add_graph_aliases work correctly even if set_graph_aliases hasn't been used (jeremyevans)
* Fix using :conditions that are a placeholder string in an association (e.g. :conditions=>['a = ?', 42]) (jeremyevans)
* On MySQL, make Dataset#insert_ignore affect #insert as well as #multi_insert and #import (jeremyevans, tmm1)
* Add -t option to bin/sequel to output the full backtrace if an exception is raised (jeremyevans)
* Make schema_dumper extension ignore errors with indexes unless it is dumping in the database-specific type format (jeremyevans)
* Don't dump partial indexes in the MySQL adapter (jeremyevans)
* Add :ignore_index_errors option to Database#create_table and :ignore_errors option to Database#add_index (jeremyevans)
* Make graphing a complex dataset work correctly (jeremyevans)
* Fix MySQL command out of sync errors, disconnect from database if they occur (jeremyevans)
* In the schema_dumper extension, do a much better job of parsing defaults from the database (jeremyevans)
* On PostgreSQL, assume the public schema if one is not given and there is no default in Database#tables (jeremyevans)
* Ignore a :default value if creating a String :text=>true or File column on MySQL, since it doesn't support defaults on text/blob columns (jeremyevans)
* On PostgreSQL, do not raise an error when attempting to reset the primary key sequence for a table without a primary key (jeremyevans)
* Allow plugins to have a configure method that is called on every attempt to load them (jeremyevans)
* Attempting to load an already loaded plugin no longer calls the plugin's apply method (jeremyevans)
* Make plugin's plugin_opts methods return an array of arguments if multiple arguments were given, instead of just the first argument (jeremyevans)
* Keep track of loaded plugins at Model.plugins, allows plugins to depend on other plugins (jeremyevans)
* Make Dataset#insert on PostgreSQL work with static SQL (jeremyevans)
* Add lazy_attributes plugin, for creating attributes that can be lazily loaded from the database (jeremyevans)
* Add tactical_eager_loading plugin, similar to DataMapper's strategic eager loading (jeremyevans)
* Don't raise an error when loading a plugin with DatasetMethods where none of the methods are public (jeremyevans)
* Add identity_map plugin, for creating temporary thread-local identity maps with some caching (jeremyevans)
* Support savepoints when using MySQL and SQLite (jeremyevans)
* Add -C option to bin/sequel that copies one database to another (jeremyevans)
* In the schema_dumper extension, don't include defaults that contain literal strings unless the DBs are the same (jeremyevans)
* Only include valid non-partial indexes of simple column references in the PostgreSQL adapter (jeremyevans)
* Add -h option to bin/sequel for outputting the usage, alias for -? (jeremyevans)
* Add -d and -D options to bin/sequel for dumping schema migrations (jeremyevans)
* Support eager graphing for model tables that lack primary keys (jeremyevans)
* Add Model.create_table? to the schema plugin, similar to Database#create_table? (jeremyevans)
* Add Database#create_table?, which creates the table if it doesn't already exist (jeremyevans)
* Handle ordered and limited datasets correctly when using UNION, INTERSECT, or EXCEPT (jeremyevans)
* Fix unlikely threading bug with class level validations (jeremyevans)
* Make the schema_dumper extension dump tables in alphabetical order in migrations (jeremyevans)
* Add Sequel.extension method for loading extensions, so you don't have to use require (jeremyevans)
* Allow bin/sequel to respect multiple -L options instead of ignoring all but the last one (jeremyevans)
* Add :command_timeout and :provider options to ADO adapter (hgimenez)
* Fix exception messages when Sequel.string_to_* fail (jeremyevans)
* Fix String :type=>:text generic type in the Firebird adapter (wishdev)
* Add Sequel.amalgalite adapter method (jeremyevans)
=== 3.0.0 (2009-05-04)
* Remove dead threads from connection pool if the pool is full and a connection is requested (jeremyevans)
* Add autoincrementing primary key support in the Oracle adapter, using a sequence and trigger (jeremyevans, Mike Golod)
* Make Model#save use the same server it uses for saving as for retrieving the saved record (jeremyevans)
* Add Database#database_type method, for identifying which type of database the object is connecting to (jeremyevans)
* Add ability to reset primary key sequences in the PostgreSQL adapter (jeremyevans)
* Fix parsing of non-simple sequence names (that contain uppercase, spaces, etc.) in the PostgreSQL adapter (jeremyevans)
* Support dumping indexes in the schema_dumper extension (jeremyevans)
* Add index parsing to PostgreSQL, MySQL, SQLite, and JDBC adapters (jeremyevans)
* Correctly quote SQL Array references, and handle qualified identifiers with them (e.g. :table__column.sql_subscript(1)) (jeremyevans)
* Allow dropping an index with a name different than the default name (jeremyevans)
* Allow Dataset#from to remove existing FROM tables when called without an argument, instead of raising an error later (jeremyevans)
* Fix string quoting on Oracle so it doesn't double backslashes (jeremyevans)
* Alias the count function call in Dataset#count, fixes use on MSSQL (akitaonrails, jeremyevans)
* Allow QualifiedIdentifiers to be qualified, to allow :column.qualify(:table).qualify(:schema) (jeremyevans)
* Allow :db_type=>'mssql' option to be respected when using the DBI adapter (akitaonrails)
* Add schema_dumper extension, for dumping schema of tables (jeremyevans)
* Allow generic database types specified as ruby types to take options (jeremyevans)
* Change Dataset#exclude to invert given hash argument, not negate it (jeremyevans)
* Make Dataset#filter and related methods treat multiple arguments more intuitively (jeremyevans)
* Fix full text searching with multiple search terms on MySQL (jeremyevans)
* Fix altering a column name, type, default, or NULL/NOT NULL status on MySQL (jeremyevans)
* Fix index type syntax on MySQL (jeremyevans)
* Add temporary table support, via :temp option to Database#create_table (EppO, jeremyevans)
* Add Amalgalite adapter (jeremyevans)
* Remove Sequel::Metaprogramming#metaattr_accessor and metaattr_reader (jeremyevans)
* Remove Dataset#irregular_function_sql (jeremyevans)
* Add Dataset#full_text_sql to the MySQL adapter (dusty)
* Fix schema type parsing of decimal types on MySQL (jeremyevans)
* Make Dataset#quote_identifier work with SQL::Identifiers (jeremyevans)
* Remove methods and features deprecated in 2.12.0 (jeremyevans)
=== 2.12.0 (2009-04-03)
* Deprecate Java::JavaSQL::Timestamp#usec (jeremyevans)
* Fix Model.[] optimization introduced in 2.11.0 for databases that don't use LIMIT (jacaetevha)
* Don't use the model association plugin if SEQUEL_NO_ASSOCIATIONS constant or environment variable is defined (jeremyevans)
* Don't require core_sql if SEQUEL_NO_CORE_EXTENSIONS constant or environment variable is defined (jeremyevans)
* Add validation_helpers model plugin, which adds instance level validation support similar to previously standard validations, with a different API (jeremyevans)
* Split multi_insert into 2 methods with separate APIs, multi_insert for hashes, import for arrays of columns and values (jeremyevans)
* Deprecate Dataset#transform and Model.serialize, and model serialization plugin (jeremyevans)
* Add multi_insert_update to the MySQL adapter, used for setting specific update behavior when an error occurs when using multi_insert (dusty)
* Add multi_insert_ignore to the MySQL adapter, used for skipping errors on row inserts when using multi_insert (dusty)
* Add Sequel::MySQL.convert_invalid_date_time accessor for dealing with dates like "0000-00-00" and times like "25:00:00" (jeremyevans, epugh)
* Eliminate internal dependence on core_sql extensions (jeremyevans)
* Deprecate Migration and Migrator, require 'sequel/extensions/migration' if you want them (jeremyevans)
* Denamespace Sequel::Error decendants (e.g. use Sequel::Rollback instead of Sequel::Error::Rollback) (jeremyevans)
* Deprecate Error::InvalidTransform, Error::NoExistingFilter, and Error::InvalidStatement (jeremyevans)
* Deprecate Dataset#[] when called without an argument, and Dataset#map when called with an argument and a block (jeremyevans)
* Fix aliasing columns in the JDBC adapter (per.melin) (#263)
* Make Database#rename_table remove the cached schema entry for the table (jeremyevans)
* Make Database schema sql methods private (jeremyevans)
* Deprecate Database #multi_threaded? and #logger (jeremyevans)
* Make Dataset#where always affect the WHERE clause (jeremyevans)
* Deprecate Object#blank? and related extensions, require 'sequel/extensions/blank' to get them back (jeremyevans)
* Move lib/sequel_core into lib/sequel and lib/sequel_model into lib/sequel/model (jeremyevans)
* Remove Sequel::Schema::SQL module, move methods into Sequel::Database (jeremyevans)
* Support creating and dropping schema qualified views (jeremyevans)
* Fix saving a newly inserted record in an after_create or after_save hook (jeremyevans)
* Deprecate Dataset#print and PrettyTable, require 'sequel/extensions/pretty_table' if you want them (jeremyevans)
* Deprecate Database#query and Dataset#query, require 'sequel/extensions/query' if you want them (jeremyevans)
* Deprecate Dataset#paginate and #each_page, require 'sequel/extensions/pagination' if you want them (jeremyevans)
* Fix ~{:bool_col=>true} and related inversions of boolean values (jeremyevans)
* Add disable_insert_returning method to PostgreSQL datasets, so they fallback to just using INSERT (jeremyevans)
* Don't use savepoints by default on PostgreSQL, use the :savepoint option to Database#transaction to use a savepoint (jeremyevans)
* Deprecate Database#transaction accepting a server symbol argument, use an options hash with the :server option (jeremyevans)
* Add Model.use_transactions for setting whether models should use transactions when destroying/saving records (jeremyevans, mjwillson)
* Deprecate Model::Validation::Errors, use Model::Errors (jeremyevans)
* Deprecate string inflection methods, require 'sequel/extensions/inflector' if you use them (jeremyevans)
* Deprecate Model validation class methods, override Model#validate instead or Model.plugin validation_class_methods (jeremyevans)
* Deprecate Model schema methods, use Model.plugin :schema (jeremyevans)
* Deprecate Model hook class methods, use instance methods instead or Model.plugin :hook_class_methods (jeremyevans)
* Deprecate Model.set_sti_key, use Model.plugin :single_table_inheritance (jeremyevans)
* Deprecate Model.set_cache, use Model.plugin :caching (jeremyevans)
* Move most model instance methods into Model::InstanceMethods, for easier overriding of instance methods for all models (jeremyevans)
* Move most model class methods into Model::ClassMethods, for easier overriding of class methods for all models (jeremyevans)
* Deprecate String#to_date, #to_datetime, #to_time, and #to_sequel_time, use require 'sequel/extensions/string_date_time' if you want them (jeremyevans)
* Deprecate Array#extract_options! and Object#is_one_of? (jeremyevans)
* Deprecate Object#meta_def, #meta_eval, and #metaclass (jeremyevans)
* Deprecate Module#class_def, #class_attr_overridable, #class_attr_reader, #metaalias, #metaattr_reader, and #metaatt_accessor (jeremyevans)
* Speed up the calling of most column accessor methods, and reduce memory overhead of creating them (jeremyevans)
* Deprecate Model#set_restricted using Model#[] if no setter method exists, a symbol is used, and the columns are not set (jeremyevans)
* Deprecate Model#set_with_params and #update_with_params (jeremyevans)
* Deprecate Model#save!, use Model.save(:validate=>false) (jeremyevans)
* Deprecate Model#dataset (jeremyevans)
* Deprecate Model.is and Model.is_a, use Model.plugin for plugins (jeremyevans)
* Deprecate Model.str_columns, Model#str_columns, #set_values, #update_values (jeremyevans)
* Deprecate Model.delete_all, .destroy_all, .size, and .uniq (jeremyevans)
* Copy all current dataset options when calling Model.db= (jeremyevans)
* Deprecate Model.belongs_to, Model.has_many, and Model.has_and_belongs_to_many (jeremyevans)
* Remove SQL::SpecificExpression, have subclasses inherit from SQL::Expression instead (jeremyevans)
* Deprecate SQL::CastMethods#cast_as (jeremyevans)
* Deprecate calling Database#schema without a table argument (jeremyevans)
* Remove cached version of @db_schema in model instances to reduce memory and marshalling overhead (tmm1)
* Deprecate Dataset#quote_column_ref and Dataset#symbol_to_column_ref (jeremyevans)
* Deprecate Dataset#size and Dataset#uniq (jeremyevans)
* Deprecate passing options to Dataset#each, #all, #single_record, #single_value, #sql, #select_sql, #update, #update_sql, #delete, #delete_sql, and #exists (jeremyevans)
* Deprecate Dataset#[Integer] (jeremyevans)
* Deprecate Dataset#create_view and Dataset#create_or_replace_view (jeremyevans)
* Model datasets now have a model accessor that returns the related model (jeremyevans)
* Model datasets no longer have :models and :polymorphic_key options (jeremyevans)
* Deprecate Dataset.dataset_classes, Dataset#model_classes, Dataset#polymorphic_key, and Dataset#set_model (jeremyevans)
* Allow Database#get and Database#select to take a block (jeremyevans)
* Deprecate Database#>> (jeremyevans)
* Deprecate String#to_blob and Sequel::SQL::Blob#to_blob (jeremyevans)
* Deprecate use of Symbol#| for SQL array subscripts, add Symbol#sql_subscript (jeremyevans)
* Deprecate Symbol#to_column_ref (jeremyevans)
* Deprecate String#expr (jeremyevans)
* Deprecate Array#to_sql, String#to_sql, and String#split_sql (jeremyevans)
* Deprecate passing an array to Database#<< (jeremyevans)
* Deprecate Range#interval (jeremyevans)
* Deprecate Enumerable#send_each (jeremyevans)
* Deprecate Hash#key on ruby 1.8, change some SQLite adapter constants (jeremyevans)
* Deprecate Sequel.open, Sequel.use_parse_tree=?, and the upcase_identifier methods (jeremyevans)
* Deprecate virtual row blocks without block arguments, unless Sequel.virtual_row_instance_eval is enabled (jeremyevans)
* Support schema parsing in the Oracle adapter (jacaetevha)
* Allow virtual row blocks to be instance_evaled, add Sequel.virtual_row_instance_eval= (jeremyevans)
=== 2.11.0 (2009-03-02)
* Optimize Model.[] by using static sql when possible, for a 30-40% speed increase (jeremyevans)
* Add Dataset#with_sql, which returns a clone of the datatset with static SQL (jeremyevans)
* Refactor Dataset#literal so it doesn't need to be overridden in subadapters, for a 20-25% performance increase (jeremyevans)
* Remove SQL::IrregularFunction, no longer used internally (jeremyevans)
* Allow String#lit to take arguments and return a SQL::PlaceholderLiteralString (jeremyevans)
* Add Model#set_associated_object, used by the many_to_one setter method, for easier overriding (jeremyevans)
* Allow use of database independent types when casting (jeremyevans)
* Give association datasets knowledge of the model object that created them and the related association reflection (jeremyevans)
* Make Dataset#select, #select_more, #order, #order_more, and #get take a block that yields a SQL::VirtualRow, similar to #filter (jeremyevans)
* Fix stored procedures in MySQL adapter when multiple arguments are used (clivecrous)
* Add :conditions association option, for easier filtering of associated objects (jeremyevans)
* Add :clone association option, for making clones of existing associations (jeremyevans)
* Handle typecasting invalid date strings (and possible other types) correctly (jeremyevans)
* Add :compress=>false option to MySQL adapter to turn off compression of client-server connection (tmm1)
* Set SQL_AUTO_IS_NULL=0 on MySQL connections, disable with :auto_is_null=>false (tmm1)
* Add :timeout option to MySQL adapter, default to 30 days (tmm1)
* Set MySQL encoding using Mysql#options so it works across reconnects (tmm1)
* Fully support blobs on SQLite (jeremyevans)
* Add String#to_sequel_blob, alias String#to_blob to that (jeremyevans)
* Fix default index names when a non-String or Symbol column is used (jeremyevans)
* Fix some ruby -w warnings (jeremyevans) (#259)
* Fix issues with default column values, table names, and quoting in the rename_column and drop_column support in shared SQLite adapter (jeremyevans)
* Add rename_column support to SQLite shared adapter (jmhodges)
* Add validates_inclusion_of validation (jdunphy)
=== 2.10.0 (2009-02-03)
* Don't use a default schema any longer in the shared PostgreSQL adapter (jeremyevans)
* Make Dataset#quote_identifier return LiteralStrings as-is (jeremyevans)
* Support symbol keys and unnested hashes in the sequel command line tool's yaml config support (jeremyevans)
* Add schema parsing support to the JDBC adapter (jeremyevans)
* Add per-database type translation support for schema changes, translating ruby classes to database specific types (jeremyevans)
* Add Sequel::DatabaseConnectionError, for indicating that Sequel wasn't able to connect to the database (jeremyevans)
* Add validates_not_string validation, useful in conjunction with raise_on_typecast_failure = false (jeremyevans)
* Don't modify Model#new? and Model#changed_columns when saving a record until after the after hooks have been run (tamas, jeremyevans)
* Database#quote_identifiers= now affects future schema modification statements, even if it is not used before one of the schema modification statements (jeremyevans)
* Fix literalization of blobs when using the PostreSQL JDBC subadapter (jeremyevans)
* Fix literalization of date and time types when using the MySQL JDBC subadapter (jeremyevans)
* Convert some Java specific types to ruby types on output in the JDBC adapter (jeremyevans)
* Add Database#tables method to JDBC adapter (jeremyevans)
* Add H2 JDBC subadapter (logan_barnett, david_koontz, james_britt, jeremyevans)
* Add identifer_output_method, used for converting identifiers coming out of the database, replacing the lowercase support on some databases (jeremyevans)
* Add identifier_input_method, used for converting identifiers going into the database, replacing upcase_identifiers (jeremyevans)
* Add :allow_missing validation option, useful if the database provides a good default (jeremyevans)
* Fix literalization of SQL::Blobs in DataObjects and JDBC adapter's postgresql subadapters when ruby 1.9 is used (jeremyevans)
* When using standard strings in the postgres adapter with the postgres-pr driver, use custom string escaping to prevent errors (jeremyevans)
* Before hooks now run in reverse order of being added, so later ones are run first (tamas)
* Add Firebird adapter, requires Firebird ruby driver located at http://github.com/wishdev/fb (wishdev)
* Don't clobber the following Symbol instance methods when using ruby 1.9: [], <, <=, >, >= (jeremyevans)
* Quote the table name and the index for PostgreSQL index creation (jeremyevans)
* Add DataObjects adapter, supporting PostgreSQL, MySQL, and SQLite (jeremyevans)
* Add ability for Database#create_table to take options, support specifying MySQL engine, charset, and collate per table (pusewicz, jeremyevans)
* Add Model.add_hook_type class method, for adding your own hook types, mostly for use by plugin authors (pkondzior, jeremyevans)
* Add Sequel.version for getting the internal version of Sequel (pusewicz, jeremyevans)
=== 2.9.0 (2009-01-12)
* Add -L option to sequel command line tool to load all .rb files in the given directory (pkondzior, jeremyevans)
* Fix Dataset#destroy for model datasets that can't handle nested queries (jeremyevans)
* Improve the error messages in parts of Sequel::Model (jeremyevans, pusewicz)
* Much better support for Dataset#{union,except,intersect}, allowing chaining and respecting order (jeremyevans)
* Default to logging only WARNING level messages when connecting to PostgreSQL (jeremyevans)
* Fix add_foreign_key for MySQL (jeremyevans, aphyr)
* Correctly literalize BigDecimal NaN and (+-)Infinity values (jeremyevans) (#256)
* Make Sequel raise an Error if you attempt to subclass Sequel::Model before setting up a database connection (jeremyevans)
* Add Sequel::BeforeHookFailed exception to be raised when a record fails because a before hook fails (bougyman)
* Add Sequel::ValidationFailed exception to be raised when a record fails because a validation fails (bougyman)
* Make Database#schema raise an error if given a table that doesn't exist (jeremyevans) (#255)
* Make Model#inspect call Model#inspect_values private method for easier overloading (bougyman)
* Add methods to create and drop functions, triggers, and procedural languages on PostgreSQL (jeremyevans)
* Fix Dataset#count when using UNION, EXCEPT, or INTERSECT (jeremyevans)
* Make SQLite keep table's primary key information when dropping columns (jmhodges)
* Support dropping indicies on SQLite (jmhodges)
=== 2.8.0 (2008-12-05)
* Support drop column operations inside a transaction on sqlite (jeremyevans)
* Support literal strings with placeholders and subselects in prepared statements (jeremyevans)
* Have the connection pool remove disconnected connections when the adapter supports it (jeremyevans)
* Make Dataset#exists return a LiteralString (jeremyevans)
* Support multiple SQL statements in one query in the MySQL adapter (jeremyevans)
* Add stored procedure support for the MySQL and JDBC adapters (jeremyevans, krsgoss) (#252)
* Support options when altering a column's type (for changing enums, varchar size, etc.) (jeremyevans)
* Support AliasedExpressions in tables when using implicitly qualified arguments in joins (jeremyevans)
* Support Dataset#except on Oracle (jeremyevans)
* Raise errors when EXCEPT/INTERSECT is used when not supported (jeremyevans)
* Fix ordering of UNION, INTERSECT, and EXCEPT statements (jeremyevans) (#253)
* Support aliasing subselects in the Oracle adapter (jeremyevans)
* Add a subadapter for the Progress RDBMS to the ODBC adapter (:db_type=>'progress') (groveriffic) (#251)
* Make MySQL and Oracle adapters raise an Error if asked to do a SELECT DISTINCT ON (jeremyevans)
* Set standard_conforming_strings = ON by default when using PostgreSQL, turn off with Sequel::Postgres.force_standard_strings = false (jeremyevans) (#247)
* Fix Database#rename_table when using PostgreSQL (jeremyevans) (#248)
* Whether to upcase or quote identifiers can now be set separately, via Sequel.upcase_identifiers= or the :upcase_identifiers database option (jeremyevans)
* Support transactions in the ODBC adapter (dlee)
* Support multi_insert_sql and unicode string literals in MSSQL shared adapter (dlee)
* Make PostgreSQL use the default schema if parsing the schema for all tables at once, even if :schema=>nil option is used (jeremyevans)
* Make MySQL adapter not raise an error when giving an SQL::Identifier object to the schema modification methods such as create_table (jeremyevans)
* The keys of the hash returned by Database#schema without a table name are now quoted strings instead of symbols (jeremyevans)
* Make Database#schema to handle implicit schemas on all databases and multiple identifier object types (jeremyevans)
* Remove Sequel.odbc_mssql method (jeremyevans) (#249)
* More optimization of Model#initialize (jeremyevans)
* Treat interval as it's own type, not an integer type (jeremyevans)
* Allow use of implicitly qualified symbol as argument to Symbol#qualify (:a.qualify(:b__c)=>b.c.a), fixes model associations in different schemas (jeremyevans) (#246)
=== 2.7.1 (2008-11-04)
* Fix PostgreSQL Date optimization so that it doesn't reject dates like 11/03/2008 (jeremyevans)
=== 2.7.0 (2008-11-03)
* Transform AssociationReflection from a single class to a class hierarchy (jeremyevans)
* Optimize Date object creation in PostgreSQL adapter (jeremyevans)
* Allow easier creation of custom association types, though support for them may still be suboptimal (jeremyevans)
* Add :eager_grapher option to associations, which the user can use to override the default eager_graph code (jeremyevans)
* Associations are now inherited when a model class is subclassed (jeremyevans)
* Instance methods added by associations are now added to an anonymous module the class includes, allowing you to override them and use super (jeremyevans)
* Add #add_graph_aliases (select_more for graphs), and allow use of arbitrary expressions when graphing (jeremyevans)
* Fix a corner case where the wrong table name is used in eager_graph (jeremyevans)
* Make Dataset#join_table take an option hash instead of a table_alias argument, add support for :implicit_qualifier option (jeremyevans)
* Add :left_primary_key and :right_primary_key options to many_to_many associations (jeremyevans)
* Add :primary_key option to one_to_many and many_to_one associations (jeremyevans)
* Make after_load association callbacks take effect when eager loading via eager (jeremyevans)
* Add a :uniq association option to many_to_many associations (jeremyevans)
* Support using any expression as the argument to Symbol#like (jeremyevans)
* Much better support for multiple schemas in PostgreSQL (jeremyevans) (#243)
* The first argument to Model#initalize can no longer be nil, it must be a hash if it is given (jeremyevans)
* Remove Sequel::Model.lazy_load_schema= setting (jeremyevans)
* Lazily load model instance options such as raise_on_save_failure, for better performance (jeremyevans)
* Make Model::Validiation::Errors more Rails-compatible (jeremyevans)
* Refactor model hooks for performance (jeremyevans)
* Major performance enhancement when fetching rows using PostgreSQL (jeremyevans)
* Don't typecast serialized columns in models (jeremyevans)
* Add Array#sql_array to handle ruby arrays of all two pairs as SQL arrays (jeremyevans) (#245)
* Add ComplexExpression#== and #eql?, for checking equality (rubymage) (#244)
* Allow full text search on PostgreSQL to include rows where a search column is NULL (jeremyevans)
* PostgreSQL full text search queries with multiple columns are joined with space to prevent joining border words to one (michalbugno)
* Don't modify a dataset's cached column information if calling #each with an option that modifies the columns (jeremyevans)
* The PostgreSQL adapter will now generally default to using a unix socket in /tmp if no host is specified, instead of a tcp socket to localhost (jeremyevans)
* Make Dataset#sql call Dataset#select_sql instead of being an alias, to allow for easier subclassing (jeremyevans)
* Split Oracle adapter into shared and unshared parts, so Oracle is better supported when using JDBC (jeremyevans)
* Fix automatic loading of Oracle driver when using JDBC adapter (bburton333) (#242)
=== 2.6.0 (2008-10-11)
* Make the sqlite adapter respect the Sequel.datetime_class setting, for timestamp and datetime types (jeremyevans)
* Enhance the CASE statement support to include an optional expression (jarredholman)
* Default to using the simple language if no language is specified for a full text index on PostgreSQL (michalbugno)
* Add Model.raise_on_typecast_failure=, which makes it possible to not raise errors on invalid typecasts (michalbugno)
* Add schema.rdoc file, which provides an brief description of the various parts of Sequel related to schema modification (jeremyevans)
* Fix constraint generation when not using a proc or interpolated string (jeremyevans)
* Make eager_graph respect associations' :order options (use :order_eager_graph=>false to disable) (jeremyevans)
* Cache negative lookup when eagerly loading many_to_one associations where no objects have an associated object (jeremyevans)
* Allow string keys to be used when using Dataset#multi_insert (jeremyevans)
* Fix join_table when doing the first join for a dataset where the first source is a dataset when using unqualified columns (jeremyevans)
* Fix a few corner cases in eager_graph (jeremyevans)
* Support transactions on MSSQL (jeremyevans)
* Use string literals in AS clauses on SQLite (jeremyevans) (#241)
* AlterTableGenerator#set_column_allow_null was added to SET/DROP NOT NULL for columns (divoxx)
* Database#tables now works for MySQL databases using the JDBC adapter (jeremyevans)
* Database#drop_view can now take multiple arguments to drop multiple views at once (jeremyevans)
* Schema modification methods (e.g. drop_table, create_table!) now remove the cached schema entry (jeremyevans)
* Models can now determine their primary keys by looking at the schema (jeremyevans)
* No longer include :numeric_precision and :max_chars entries in the schema column hashes, use the :db_type entry instead (jeremyevans)
* Make schema parsing on PostgreSQL handle implicit schemas (e.g. schema(:schema__table)), so it works with models for tables outside the public schema (jeremyevans)
* Significantly speed up schema parsing on MySQL (jeremyevans)
* Include primary key information when parsing the schema (jeremyevans)
* Fix schema generation of composite foreign keys on MySQL (clivecrous, jeremyevans)
=== 2.5.0 (2008-09-03)
* Add Dataset #set_defaults and #set_overrides, used for scoping the values used in insert/update statements (jeremyevans)
* Allow Models to use the RETURNING clause when inserting records on PostgreSQL (jeremyevans)
* Raise Sequel::DatabaseError instead of generic Sequel::Error for database errors, don't swallow tracebacks (jeremyevans)
* Use INSERT ... RETURNING ... with PostgreSQL 8.2 and higher (jeremyevans)
* Make insert_sql, delete_sql, and update_sql respect the :sql option (jeremyevans)
* Default to converting 2 digit years, use Sequel.convert_two_digit_years = false to get back the old behavior (jeremyevans)
* Make the PostgreSQL adapter with the pg driver use async_exec, so it doesn't block the entire interpreter (jeremyevans)
* Make the schema generators support composite primary and foreign keys and unique constraints (jarredholman)
* Work with the 2008.08.17 version of the pg gem (erikh)
* Disallow abuse of SQL function syntax for types (use :type=>:varchar, :size=>255 instead of :type=>:varchar[255]) (jeremyevans)
* Quote index names when creating or dropping indexes (jeremyevans, SanityInAnarchy)
* Don't have column accessor methods override plugin instance methods (jeremyevans)
* Allow validation of multiple attributes at once, with built in support for uniqueness checking of multiple columns (jeremyevans)
* In PostgreSQL adapter, fix inserting a row with a primary key value inside a transaction (jeremyevans)
* Allow before_save and before_update to affect the columns saved by save_changes (jeremyevans)
* Make Dataset#single_value work when graphing, which fixes count and paginate on graphed datasets (jeremyevans)
=== 2.4.0 (2008-08-06)
* Handle Java::JavaSql::Date type in the JDBC adapter (jeremyevans)
* Add support for read-only slave/writable master databases and database sharding (jeremyevans)
* Remove InvalidExpression, InvalidFilter, InvalidJoinType, and WorkerStop exceptions (jeremyevans)
* Add prepared statement/bound variable support (jeremyevans)
* Fix anonymous column names in the ADO adapter (nusco)
* Remove odbc_mssql adapter, use :db_type=>'mssql' option instead (jeremyevans)
* Split MSSQL specific syntax into separate file, usable by ADO and ODBC adapters (nusco, jeremyevans)
=== 2.3.0 (2008-07-25)
* Enable almost full support for MySQL using JDBC (jeremyevans)
* Fix ODBC adapter's conversion of ::ODBC::Time values (Michael Xavier)
* Enable full support for SQLite-JDBC using the JDBC adapter (jeremyevans)
* Minor changes to allow for full Ruby 1.9 compatibility (jeremyevans)
* Make Database#disconnect work for the ADO adapter (spicyj)
* Don't raise an exception in the ADO adapter if the dataset contains no records (nusco)
* Enable almost full support of PostgreSQL-JDBC using the JDBC adapter (jeremyevans)
* Remove Sequel::Worker (jeremyevans)
* Make PostgreSQL adapter not raise an error when inserting records into a table without a primary key (jeremyevans)
* Make Database.uri_to_options a private class method (jeremyevans)
* Make JDBC load drivers automatically for PostgreSQL, MySQL, SQLite, Oracle, and MSSQL (jeremyevans)
* Make Oracle adapter work with a nonstandard Oracle database port (pavel.lukin)
* Typecast '' to nil by default for non-string non-blob columns, add typecast_empty_string_to_nil= model class and instance methods (jeremyevans)
* Use a simpler select in Dataset#empty?, fixes use with MySQL (jeremyevans)
* Add integration test suite, testing sequel against a real database, with nothing mocked (jeremyevans)
* Make validates_length_of default tag depend on presence of options passed to it (jeremyevans)
* Combine the directory structure for sequel_model and sequel_core, now there is going to be only one gem named sequel (jeremyevans)
=== 2.2.0 (2008-07-05)
* Add :extend association option, extending the dataset with module(s) (jeremyevans)
* Add :after_load association callback option, called after associated objects have been loaded from the database (jeremyevans)
* Make validation methods support a :tag option, to work correctly with source reloading (jeremyevans)
* Add :before_add, :after_add, :before_remove, :after_remove association callback options (jeremyevans)
* Break many_to_one association setter method in two parts, for easier overriding (jeremyevans)
* Model.validates_presence_of now considers false as present instead of absent (jeremyevans)
* Add Model.raise_on_save_failure, raising errors on save failure instead of return false (now nil), default to true (jeremyevans)
* Add :eager_loader association option, to specify code to be run when eager loading (jeremyevans)
* Make :many_to_one associations support :dataset, :order, :limit association options, as well as block arguments (jeremyevans)
* Add :dataset association option, which overrides the default base dataset to use (jeremyevans)
* Add :eager_graph association option, works just like :eager except it uses #eager_graph (jeremyevans)
* Add :graph_join_table_join_type association option (jeremyevans)
* Add :graph_only_conditions and :graph_join_table_only_conditions association options (jeremyevans)
* Add :graph_block and :graph_join_table_block association options (jeremyevans)
* Set the model's dataset's columns in addition to the model's columns when loading the schema for a model (jeremyevans)
* Make caching work correctly with subclasses (jeremyevans)
* Add the Model.to_hash dataset method (jeremyevans)
* Filter blocks now yield a SQL::VirtualRow argument, which is useful if another library defines operator methods on Symbol (jeremyevans)
* Add Symbol#identifier method, to make x__a be treated as "x__a" instead of "x"."a" (jeremyevans)
* Dataset#update no longer takes a block, please use a hash argument with the expression syntax instead (jeremyevans)
* ParseTree support has been removed from Sequel (jeremyevans)
* Database#drop_column is now supported in the SQLite adapter (abhay)
* Tinyint columns can now be considered integers instead of booleans by setting Sequel.convert_tinyint_to_bool = false (samsouder)