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CHANGELOG
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=== 3.24.0 (2011-06-01)
* Add prepared_statements_association plugin, for using prepared statements by default for regular association loading (jeremyevans)
* Add prepared_statements_safe plugin, for making prepared statement use with models more safe (jeremyevans)
* Add prepared_statements_with_pk plugin, for using prepared statements for dataset lookups by primary key (jeremyevans)
* Fix bug in emulated prepared statement support not supporting nil or false as bound values (jeremyevans)
* Add Dataset#unbind for unbinding values from a dataset, for use with creating prepared statements (jeremyevans)
* Add prepared_statements plugin for using prepared statements for updates, inserts, deletes, and lookups by primary key (jeremyevans)
* Make Dataset#[] for model datasets consider a single integer argument as a lookup by primary key (jeremyevans)
* Add Dataset#with_pk for model datasets, for finding first record with matching primary key value (jeremyevans)
* Add defaults_setter plugin for setting default values when initializing model instances (jeremyevans)
* Add around hooks (e.g. around_save) to Sequel::Model (jeremyevans)
* Add Model#initialize_set private method to ease extension writing (jeremyevans)
* Only typecast bit fields to booleans on MSSQL, the MySQL bit type is a bitfield, not a boolean (jeremyevans)
* Set SQL_AUTO_IS_NULL=0 by default when connecting to MySQL via the swift and jdbc adapters (jeremyevans)
* Fix bug in multiple column IN/NOT IN emulation when a model dataset is used (jeremyevans)
* Add support for filtering and excluding by association datasets (jeremyevans)
* Fix literalization of boolean values in filters on SQLite and MSSQL (jeremyevans)
* Add support for filtering and excluding by multiple associations (jeremyevans)
* Add support for inverting some SQL::Constant instances such as TRUE, FALSE, NULL, and NOTNULL (jeremyevans)
* Add support for excluding by associations to model datasets (jeremyevans)
* The Sequel::Postgres.use_iso_date_format setting now only affects future Database objects (jeremyevans)
* Add Sequel::Postgres::PG_NAMED_TYPES hash for extensions to register type conversions for non-standard types (jeremyevans, pvh)
* Make create_table? use IF NOT EXISTS instead of using SELECT to determine existence, if supported (jeremyevans)
* Fix bug in association_pks plugin when associated table has a different primary key column name (jfirebaugh)
* Fix limiting rows when connecting to DB2 (semmons99)
* Exclude columns from tables in the INFORMATION_SCHEMA when parsing table schema on JDBC (jeremyevans)
* Fix limiting rows when connecting to Microsoft Access (jeremyevans)
* Add Database#views for getting an array of symbols of view names for the database (jeremyevans, christian.michon)
* Make Datbase#tables no longer include view names on MySQL (jeremyevans)
* Convert Java CLOB objects to ruby strings when using the JDBC JTDS subadapter (christian.michon)
* If Thread#kill is called on a thread with an open transaction, roll the transaction back on ruby 1.8 and rubinius (jeremyevans)
* Split informix adapter into shared/specific parts, add JDBC informix subadapter (jeremyevans)
=== 3.23.0 (2011-05-02)
* Migrate issue tracker from Google Code to GitHub Issues (jeremyevans)
* Add support for filtering by associations to model datasets (jeremyevans)
* Don't call insert_select when saving a model that doesn't select all columns of the table (jeremyevans)
* Fix bug when using :select=>[] option for a many_to_many association (jeremyevans)
* Add a columns_introspection extension that attempts to skip database queries by introspecting selected columns (jeremyevans)
* When combining old integer migrations and new timestamp migrations, make sure old integer migrations are all applied first (jeremyevans)
* Support dynamic callbacks to customize regular association loading at query time (jeremyevans)
* Support cascading of eager loading with dynamic callbacks for both eager and eager_graph (jeremyevans)
* Make the xml_serializer plugin handle namespaced models by using __ instead of / as a separator (jeremyevans)
* Allow the :eager_grapher association proc to accept a single hash instead of 3 arguments (jfirebaugh)
* Support dynamic callbacks to customize eager loading at query time (jfirebaugh, jeremyevans)
* Fix bug in the identity_map plugin for many_to_one associations when the association reflection hadn't been filled in yet (funny-falcon)
* Add serialization_modification_detection plugin for detecting changes in serialized columns (jeremyevans) (#333)
=== 3.22.0 (2011-04-01)
* Add disconnect detection to tinytds adapter, though correct behavior may require an update to tiny_tds (cult_hero)
* Add Dataset/Database#mssql_unicode_strings accessor when connecting to MSSQL to control string literalization (semmons99, jeremyevans)
* Fix ODBC::Time instance handling in the odbc adapter (jeremyevans)
* Use Sequel.application_timezone when connecting in the oracle adapter to set the connection's session's timezone (jmthomas)
* In the ADO adapter, assume access to SQL Server if a :conn_string option is given that doesn't indicate Access/Jet (damir.si) (#332)
* Use the correct class when loading instances for descendents of model classes that use single table inheritance (jeremyevans)
* Support for COLLATE in column definitions (jfirebaugh)
* Don't use a schema when creating a temporary table (jeremyevans)
* Make migrator work correctly when a default_schema is set (jeremyevans) (#331)
=== 3.21.0 (2011-03-01)
* Make symbol splitting (:table__column___alias) work correctly for identifiers that are not in the \w character class (authorNari)
* Enable row locks in Oracle (authorNari)
* Prefer cover? over include? for validates_includes/validates_inclusion_of (jeremyevans)
* Make using NULL/NOT NULL, DEFAULT, and UNIQUE column options work correctly on H2 and possibly Oracle (jeremyevans)
* Make bin/sequel accept file arguments and work correctly when $stdin is not a tty (jeremyevans)
* Add support for -I and -r options to bin/sequel (jeremyevans)
* Sequel::Model.plugin can now be overridden just like the other Model methods (jeremyevans)
* Add tinytds adapter, the best way to connect to MSSQL from a C based ruby running on *nix (jeremyevans)
* Recognize bigint unsigned as a Bignum type in the schema dumper (gamespy-tech) (#327)
* Add Dataset#calc_found_rows for MySQL datasets (macks)
* Add association_autoreloading plugin for clearing association cache when foreign key value changes (jfirebaugh, jeremyevans)
* Fix join_table on MySQL ignoring the block (jfirebaugh)
* Transfer CTE WITH clauses in subselect to main query when joining on MSSQL (jfirebaugh)
* Make specs support both RSpec 1 and RSpec 2 (jeremyevans)
* Work with ruby-informix versions >= 0.7.3 in the informix adapter (jeremyevans) (#326)
=== 3.20.0 (2011-02-01)
* Allow a :partial option to Database#indexes on MySQL to include partial indexes (roland.swingler) (#324)
* Add a SQLite subadapter to the swift adapter, now that swift supports it (jeremyevans)
* Update swift adapter to support swift 0.8.1, older versions no longer supported (jeremyevans)
* Allow setting arbitrary JDBC properties in the jdbc adapter with the :jdbc_properties option (jeremyevans)
* Use a better error message if a validates_max_length validation is applied to a nil value (jeremyevans) (#322)
* Add some basic Microsoft Access support to the ado adapter, autoincrementing primary keys now work (jeremyevans)
* Make class_table_inheritance plugin handle subclass associations better (jeremyevans) (#320)
=== 3.19.0 (2011-01-03)
* Handle Date and DateTime types in prepared statements when using the jdbc adapter (jeremyevans)
* Handle Date, DateTime, Time, SQL::Blob, true, and false in prepared statements when using the SQLite adapter (jeremyevans)
* Use varbinary(max) instead of image for the generic blob type on MSSQL (jeremyevans)
* Close prepared statements when disconnecting when using SQLite (jeremyevans)
* Allow reflecting on validations in the validation_class_methods plugin (jeremyevans)
* Allow passing a primary key value to the add_* association method (gucki)
* When typecasting model column values, check the classes of the new and existing values (jeremyevans)
* Improve type translation performance in the postgres, mysql, and sqlite adapters by using methods instead of procs (jeremyevans)
=== 3.18.0 (2010-12-01)
* Allow the user to control how the connection pool deals with attempts to access shards that aren't configured (jeremyevans)
* Typecast columns when creating model objects from JSON in the json_serializer plugin (jeremyevans)
* When parsing the schema for a model that uses an aliased table, use the unaliased table name (jeremyevans)
* When emulating schema methods such as drop_column on SQLite, recreate applicable indexes on the recreated table (jeremyevans)
* Only remove hook pairs that have been run successfully in the instance_hooks plugin (jeremyevans)
* Add reversible migration support to the migration extension (jeremyevans)
* Add to_dot extension, for producing visualizations of Dataset abstract syntax trees with Graphviz (jeremyevans)
* Switch to using manual type translation in the SQLite adapter (jeremyevans)
* Support :read_timeout option in the native mysql adapter (tmm1)
* Support :connect_timeout option in the native mysql and mysql2 adapters (tmm1)
=== 3.17.0 (2010-11-05)
* Ensure that the optimistic locking plugin increments the lock column when using Model#modified! (jfirebaugh)
* Correctly handle nil values in the xml_serializer plugin, instead of converting them to empty strings (george.haff) (#313)
* Use a default wait_timeout that's allowed on Windows for the mysql and mysql2 adapters (jeremyevans) (#314)
* Add support for connecting to MySQL over SSL using the :sslca, :sslkey, and related options (jeremyevans)
* Fix Database#each_server when used with jdbc or do connection strings without separate :adapter option (jeremyevans) (#312)
* Much better support in the AS400 JDBC subadapter (bhauff)
* Allow cloning of many_through_many associations (gucki, jeremyevans)
* In the nested_attributes plugin, don't make unnecessary update calls to modify associated objects that are about to be deleted (jeremyevans, gucki)
* Allow Dataset#(add|set)_graph_aliases to accept as hash values symbols and arrays with a single element (jeremyevans)
* Add Databse#views and #view_exists? to the Oracle adapter (gpheruson)
* Add Database#sql_log_level for changing the level at which SQL queries are logged (jeremyevans)
* Remove unintended use of prepared statements in swift adapter (jeremyevans)
* Fix logging in the swift PostgreSQL subadapter (jeremyevans)
=== 3.16.0 (2010-10-01)
* Support composite foreign keys for associations in the identity_map plugin (harukizaemon, jeremyevans) (#310)
* Handle INTERSECT and EXCEPT on Microsoft SQL Server 2005+ (jfirebaugh)
* Add :replace option to Database#create_language in the postgresql adapter (jeremyevans)
* Make rcte_tree plugin work when not all columns are selected (jeremyevans)
* Add swift adapter (jeremyevans)
* Fix literalization of DateTime objects on 1.9 for databases that support fractional seconds (jeremyevans)
=== 3.15.0 (2010-09-01)
* Make emulated alter_table tasks on SQLite correctly preserve foreign keys (DirtYiCE, jeremyevans)
* Add support for sequel_pg to the native postgres adapter when pg is used (jeremyevans)
* Make class MyModel < Sequel::Model(DB[:table]) reload safe (jeremyevans)
* Fix a possible error when using the do (DataObjects) adapter with postgres (jeremyevans)
* Handle a many_to_many :join_table option that uses an implicit alias (mluu, jeremyevans)
* Work around bug in Microsoft's SQL Server JDBC Adapter version 3.0 (jfirebaugh)
* Make eager graphing a model that uses an aliased table name work correctly (jeremyevans)
* Make class_table_inheritance plugin work with non integer primary keys on SQLite (jeremyevans, russm)
* Add :auto_increment field to column schema values on MySQL if the column is auto incrementing (dbd)
* Handle DSN-less ODBC connections better (Ricardo Ramalho)
* Exclude temporary tables when parsing the schema on PostgreSQL (jeremyevans) (#306)
* Add Mysql2 adapter (brianmario)
* Handle Mysql::Error exceptions when disconnecting in the MySQL adapter (jeremyevans)
* Make typecasting work correctly for attributes loaded lazily when using the lazy attributes plugin (jeremyevans)
=== 3.14.0 (2010-08-02)
* Handle OCIInvalidHandle errors when disconnecting in the Oracle adapter (jeremyevans)
* Allow calling Model.create_table, .create_table! and .create_table? with blocks containing the schema in the schema plugin (jfirebaugh)
* Fix handling of a :conditions options in the rcte plugin (mluu)
* Fix aggregate methods such as Dataset#sum and #avg on MSSQL on datasets with an order but no limit (mluu)
* Fix rename_table on MSSQL for case sensitive collations and schemas (mluu)
* Add a :single_root option to the tree plugin, for enforcing a single root value via a before_save hook (jfirebaugh)
* Add a Model#root? method to the tree plugin, for checking if the current node is a root (jfirebaugh)
* Add a :raise_on_failure option to Model#save to override the raise_on_save_failure setting (jfirebaugh)
* Handle class discriminator column names that are existing ruby method names in the single table inheritance plugin (jeremyevans)
* Fix times and datetimes when timezone support is used and you are loading a standard time when in daylight time or vice versa (gcampbell)
* Handle literalization of OCI8::CLOB objects in the native oracle adapter (jeremyevans)
* Raise a Sequel::Error instead of an ArgumentError if the migration current or target version does not exist (jeremyevans)
* Fix Database#schema on Oracle when the same table exists in multiple schemas (djwhitt)
* Fix Database#each_server when using a connection string to connect (jeremyevans)
* Make Model dataset's destroy method respect the model's use_transactions setting, instead of always using a transaction (jeremyevans)
* Add Database#adapter_scheme, for checking which adapter a Database uses (jeremyevans)
* Allow Dataset#grep to take :all_patterns, :all_columns, and :case_insensitive options (mighub, jeremyevans)
=== 3.13.0 (2010-07-01)
* Allow Model.find_or_create to take a block which is yielded the object to be created, if no object is found (zaius, jeremyevans)
* Make PlaceholderLiteralString a GenericExpression subclass (jeremyevans)
* Allow nil/NULL to be used as a CASE expression value (jeremyevans)
* Support bitwise operators on more databases (jeremyevans)
* Make PostgreSQL do bitwise xor instead of exponentiation for ^ operator (jeremyevans)
* Fix handling of tinyint(1) columns when connecting to MySQL via JDBC (jeremyevans)
* Handle arrays of two element arrays as filter hash values automatically (jeremyevans)
* Allow :frame option for windows to take a string that is used literally (jeremyevans)
* Support transaction isolation levels on PostgreSQL, MySQL, and MSSQL (jeremyevans)
* Support prepared transactions/two-phase commit on PostgreSQL, MySQL, and H2 (jeremyevans)
* Allow NULLS FIRST/LAST when ordering using the :nulls=>:first/:last option to asc and desc (jeremyevans)
* On PostgreSQL, if no :schema option is provided for #tables, #table_exists?, or #schema, assume all schemas except the default non-public ones (jeremyevans) (#305)
* Cache prepared statements when using the native sqlite driver, improving performance (jeremyevans)
* Add a Tree plugin for treating model objects as being part of a tree (jeremyevans, mwlang)
* Add a :methods_module association option, for choosing the module into which association methods are placed (jeremyevans)
* Add a List plugin for treating model objects as being part of a list (jeremyevans, aemadrid)
* Don't attempt to use class polymorphism in the class_table_inheritance plugin if no cti_key is defined (jeremyevans)
* Add a XmlSerializer plugin for serializing/deserializing model objects to/from XML (jeremyevans)
* Add a JsonSerializer plugin for serializing/deserializing model objects to/from JSON (jeremyevans)
* Handle unsigned integers in the schema dumper (jeremyevans)
=== 3.12.1 (2010-06-09)
* Make :encoding option work on MySQL even if config file specifies different encoding (jeremyevans) (#300)
=== 3.12.0 (2010-06-01)
* Add a :deferrable option to foreign_key for creating deferrable foreign keys (hydrow)
* Add a :join_table_block many_to_many association option used by the add/remove/remove_all methods (jeremyevans)
* Add an AssociationPks plugin that adds association_pks and association_pks= methods for *_to_many associations (jeremyevans)
* Add an UpdatePrimaryKey plugin that allows you to update the primary key of a model object (jeremyevans)
* Add a SkipCreateRefresh plugin that skips the refresh when saving new model objects (jeremyevans)
* Add a StringStripper plugin that strips strings before assigning them to model attributes (jeremyevans)
* Allow the :eager_loader association proc to accept a single hash instead of 3 arguments (jeremyevans)
* Add a Dataset#order_append alias for order_more, for consistency with order_prepend (jeremyevans)
* Add a Dataset#order_prepend method that adds to the end of an existing order (jeremyevans)
* Add a Sequel::NotImplemented exception class, use instead of NotImplementedError (jeremyevans)
* Correctly handle more than 2 hierarchy levels in the single table inheritance plugin (jeremyevans)
* Allow using a custom column value<->class mapping to the single_table_inheritance plugin (jeremyevans, tmm1)
* Handle SQL::Identifiers in the schema_dumper extension (jeremyevans) (#304)
* Make sure certain alter table operations clear the schema correctly on MySQL (jeremyevans) (#301)
* Fix leak of JDBC Statement objects when using transactions on JDBC on databases that support savepoints (jeremyevans)
* Add DatabaseDisconnectError support to the ODBC adapter (Joshua Hansen)
* Make :encoding option work on MySQL in some cases where it was ignored (jeremyevans) (#300)
* Make Model::Errors#on always return nil if there are no errors on that attribute (jeremyevans)
* When using multiple plugins that add before hooks, the order that the hooks are called may have changed (jeremyevans)
* The hook_class_methods plugin no longer skips later after hooks if earlier after hooks return false (jeremyevans)
* Add Model#set_fields and update_fields, similar to set_only and update_only but ignoring other keys in the hash (jeremyevans)
* Add Model.qualified_primary_key_hash, similar to primary_key_hash but with qualified columns (jeremyevans)
* Make Model::Errors#empty? handle attributes with empty error arrays (jeremyevans)
* No longer apply association options to join table dataset when removing all many_to_many associated objects (jeremyevans)
* Log the execution times of migrations to the database's loggers (jeremyevans)
* Add a TimestampMigrator that can work with migrations where versions are timestamps, and handle migrations applied out of order (jeremyevans)
* Completely refactor Sequel::Migrator, now a class instead of a module (jeremyevans)
* Save migration version after each migration, instead of after all migrations (jeremyevans)
* Raise an error if missing a migration version (jeremyevans)
* Raise an error if using a duplicate migration version (jeremyevans)
* Add a Sequel.migration DSL for defining migrations (jeremyevans)
* Add a sharding plugin giving Sequel::Model objects support for dealing with sharding (jeremyevans)
* Handle timestamp(N) with time zone data types (hone)
* Fix MSSQL temporary table creation, but watch out as it changes the table name (gpd, jeremyevans) (#299)
=== 3.11.0 (2010-05-03)
* Allow shared postgresql adapter to work with ruby 1.9 with the -Ku switch (golubev.pavel) (#298)
* Add support for connecting to MSSQL via JTDS in the JDBC adapter (jeremyevans)
* Support returning the number of rows updated/deleted on MSSQL when using the ADO adapter with an explicit :provider (jeremyevans)
* Support transactions in the ADO adapter if not using the default :provider (jeremyevans)
* Make Database#disconnect not raise an exception when using the unsharded single connection pool (jeremyevans)
* Attempt to handle JDBC connection problems in cases where driver auto loading doesn't work (e.g. Tomcat) (elskwid)
* Make native MySQL adapter's tinyint to boolean conversion only convert tinyint(1) columns and not larger tinyint columns (roland.swingler) (#294)
* Fix use of limit with distinct on Microsoft SQL Server (jeremyevans) (#297)
* Correctly swallow errors when using :ignore_index_errors in Database#create_table when using unsupported indexes (jeremyevans) (#295)
* Fix insert returning the autogenerated key when using the 5.1.12 MySQL JDBC driver (viking)
* Consider number/numeric/decimal columns with a 0 scale to be integer columns (e.g. numeric(10, 0)) (jeremyevans, QaDes)
* Fix Database#rename_table on Microsoft SQL Server (rohit.namjoshi) (#293)
* Add Dataset#provides_accurate_rows_matched?, for seeing if update and delete are likely to return correct numbers (jeremyevans)
* Add require_modification to Sequel::Model, for checking that model instance updating and deleting affects a single row (jeremyevans)
* Fix leak of ResultSets when getting metadata in the jdbc adapter (jrun)
* Make Dataset#filter and related methods just clone receiver if given an empty argument, such as {}, [], or '' (jeremyevans)
* Add instance_filters plugin, for adding arbitrary filters when updating/destroying the instance (jeremyevans)
* No longer create the #{plugin}_opts methods for plugins (jeremyevans)
* Support :auto_vacuum, :foreign_keys, :synchronous, and :temp_store Database options on SQLite, for thread-safe PRAGMA setting (jeremyevans)
* Add foreign_keys accessor to SQLite Database objects (enabled by default), which modifies the foreign_keys PRAGMA available in 3.6.19+ (jeremyevans)
* Add an Database#sqlite_version method when connecting to SQLite, used to determine feature support (jeremyevans)
* Fix rolling back transactions when connecting to Oracle via JDBC (jeremyevans)
* Fix syntax errors when connecting to MSSQL via the dbi adapter (jeremyevans) (#292)
* Add support for an :after_connect option when connection, called with each new connection made (jeremyevans)
* Add support for a :test option when connecting to be automatically test the connection (jeremyevans)
* Add Dataset#select_append, which always appends to the existing SELECTed columns (jeremyevans)
* Emulate DISTINCT ON on MySQL using GROUP BY (jeremyevans)
* Make MSSQL shared adapter emulate set_column_null alter table op better with types containing sizes (jeremyevans) (#291)
* Add :config_default_group and :config_local_infile options to the native MySQL adapter (jeremyevans)
* Add log_warn_duration attribute to Database, queries that take longer than it will be logged at warn level (jeremyevans)
* Switch Database logging to use log_yield instead of log_info, queries that raise errors are now logged at error level (jeremyevans)
* Update active_model plugin to work with the ActiveModel::Lint 3.0.0beta2 specs (jeremyevans)
* Support JNDI connection strings in the JDBC adapter (jrun)
=== 3.10.0 (2010-04-02)
* Make one_to_one setter and *_to_many remove_all methods apply the association options (jeremyevans)
* Make nested_attributes plugin handle invalid many_to_one associations better (john_firebaugh)
* Remove private methods from Sequel::BasicObject on ruby 1.8 (i.e. most Kernel methods) (jeremyevans)
* Add Sequel::BasicObject.remove_methods!, useful on 1.8 if libraries required after Sequel add methods to Object (jeremyevans)
* Change Sequel.connect with a block to return the block's value (jonas11235)
* Add an rcte_tree plugin, which uses recursive common table expressions for loading trees stored as adjacency lists (jeremyevans)
* Make typecast_on_load plugin also typecast when refreshing the object (either explicitly or implicitly after creation) (jeremyevans)
* Fix schema parsing and dumping of tinyint columns when connecting to MySQL via the do adapter (ricardochimal)
* Fix transactions when connecting to Oracle via JDBC (jeremyevans)
* Fix plugin loading when plugin module name is the same as an already defined top level constant (jeremyevans)
* Add an AS400 JDBC subadapter (need jt400.jar in classpath) (jeremyevans, bhauff)
* Fix the emulated MSSQL offset support when core extensions are not used (jeremyevans)
* Make Sequel::BasicObject work correctly on Rubinius (kronos)
* Add the :eager_loader_key option to associations, useful for custom eager loaders (jeremyevans)
* Dataset#group_and_count no longer orders by the count (jeremyevans)
* Fix Dataset#limit on MSSQL 2000 (jeremyevans)
* Support eagerly load nested associations when lazily loading *_to_one associations using the :eager option (jeremyevans)
* Fix the one_to_one setter to work with a nil argument (jeremyevans)
* Cache one_to_one associations like many_to_one associations instead of one_to_many associations (jeremyevans)
* Use the singular form for one_to_one association names instead of the plural form (john_firebaugh)
* Add real one_to_one associations, using the :one_to_one option of one_to_many is now an error (jeremyevans)
* Add Model#lock! which uses Dataset#for_update to lock model rows (jeremyevans)
* Add Dataset#for_update as a standard dataset method (jeremyevans)
* Add composition plugin, simlar to ActiveRecord's composed_of (jeremyevans)
* Combine multiple complex expressions for simpler SQL and object tree (jeremyevans)
* Add Dataset#first_source_table, for the unaliased version of the table for the first source (jeremyevans)
* Raise a more explicit error if attempting to use the sqlite adapter with sqlite3 instead of sqlite3-ruby (jeremyevans)
=== 3.9.0 (2010-03-04)
* Allow loading adapters and extensions from outside of the Sequel lib directory (jeremyevans)
* Make limit and offset work as bound variables in prepared statements (jeremyevans)
* In the single_table_inheritance plugin, handle case where the sti_key is nil or '' specially (jeremyevans) (#287)
* Handle IN/NOT IN with an empty array (jeremyevans)
* Emulate IN/NOT IN with multiple columns where the database doesn't support it and a dataset is given (jeremyevans)
* Add Dataset#unused_table_alias, for generating a table alias that has not yet been used in the query (jeremyevans)
* Support an empty database argument in bin/sequel, useful for testing things without a real database (jeremyevans)
* Support for schemas and aliases when eager graphing (jeremyevans)
* Handle using an SQL::Identifier as an 4th option to Dataset#join_table (jeremyevans)
* Move gem spec from Rakefile to a .gemspec file, for compatibility with gem build and builder (jeremyevans) (#285)
* Fix MSSQL 2005+ offset emulation on ruby 1.9 (jeremyevans)
* Make active_model plugin work with ActiveModel 3.0 beta Lint specs, now requires active_model (jeremyevans)
* Correctly create foreign key constraints on MySQL with the InnoDB engine, but you must specify the :key option (jeremyevans)
* Add an optimistic_locking plugin for models, similar to ActiveRecord's optimistic locking support (jeremyevans)
* Handle implicitly qualified symbols in UPDATE statements, useful for updating joined datasets (jeremyevans)
* Have schema_dumper extension pass options hash to Database#tables (jeremyevans) (#283)
* Make all internal uses of require thread-safe (jeremyevans)
* Refactor connection pool into 4 separate pools, increase performance for unsharded setups (jeremyevans)
* Change a couple instance_evaled lambdas into procs, for 1.9.2 compatibility (jeremyevans)
* Raise error message earlier if DISTINCT ON is used on SQLite (jeremyevans)
* Speed up prepared statements on SQLite (jeremyevans)
* Correctly handle ODBC timestamps when database_timezone is nil (jeremyevans)
* Add Sequel::ValidationFailed#errors (tmm1)
=== 3.8.0 (2010-01-04)
* Catch cases in the postgres adapter where exceptions weren't converted or raised appropriately (jeremyevans)
* Don't double escape backslashes in string literals in the mssql shared adapter (john_firebaugh)
* Fix order of ORDER and HAVING clauses in the mssql shared adapter (mluu)
* Add validates_type to the validation_helpers plugin (mluu)
* Attempt to detect database disconnects in the JDBC adapter (john_firebaugh)
* Add Sequel::SQL::Expression#==, so arbtirary expressions can be compared by value (dlee)
* Respect the :size option for the generic File type on MySQL to create tinyblob, mediumblob, and longblob (ibc)
* Don't use the OUTPUT clause on SQL Server versions that don't support it (pre-2005) (jeremyevans) (#281)
* Raise DatabaseConnectionErrors in the single-threaded connection pool if unable to connect (jeremyevans)
* Fix handling of non-existent server in single-threaded connection pool (jeremyevans)
* Default to using mysqlplus driver in the native mysql adapter, fall back to mysql driver (ibc, jeremyevans)
* Handle 64-bit integers in JDBC prepared statements (paulfras)
* Improve blob support when using the H2 JDBC subadapter (nullstyle, jeremyevans, paulfras)
* Add Database#each_server, which yields a new Database object for each server in the connection pool which is connected to only that server (jeremyevans)
* Add Dataset#each_server, which yields a dataset for each server in the connection pool which is will execute on that server (jeremyevans)
* Remove meta_eval and metaclass private methods from Sequel::Metaprogramming (jeremyevans)
* Merge Dataset::FROM_SELF_KEEP_OPTS into Dataset::NON_SQL_OPTIONS (jeremyevans)
* Add Database#remove_servers for removing servers from the pool on the fly (jeremyevans)
* When disconnecting servers, if there are any connections to the server currently in use, schedule them to be disconnected (jeremyevans)
* Allow disconnecting specific server(s)/shard(s) in Database#disconnect via a :servers option (jeremyevans)
* Handle multiple statements in a single query in the native MySQL adapter in all cases, not just when selecting via Dataset#each (jeremyevans)
* In the boolean_readers plugin, don't raise an error if the model's columns can't be determined (jeremyevans)
* In the identity_map plugin, remove instances from the cache if they are deleted/destroyed (jeremyevans)
* Add Database#add_servers, for adding new servers/shards on the fly (chuckremes, jeremyevans)
=== 3.7.0 (2009-12-01)
* Add Dataset#sequence to the shared Oracle Adapter, for returning autogenerated primary key values on insert (jeremyevans) (#280)
* Bring support for modifying joined datasets into Sequel proper, supported on MySQL and PostgreSQL (jeremyevans)
* No longer use native autoreconnection in the mysql adapter (jeremyevans)
* Add NULL, NOTNULL, TRUE, SQLTRUE, FALSE, and SQLFALSE constants (jeremyevans)
* Add Dataset #select_map, #select_order_map, and #select_hash (jeremyevans)
* Make Dataset#group_and_count handle arguments other than Symbols (jeremyevans)
* Add :only_if_modified option to validates_unique method in validation_helpers plugin (jeremyevans)
* Allow specifying the dataset alias via :alias option when using union/intersect/except (jeremyevans)
* Allow Model#destroy to take an options hash and respect a :transaction option (john_firebaugh)
* If a transaction is being used, raise_on_save_failure is false, and a before hook returns false, rollback the transaction (john_firebaugh, jeremyevans)
* In the schema_dumper, explicitly specify the :type option if it isn't Integer (jeremyevans)
* On postgres, use bigserial type if :type=>Bignum is given as an option to primary_key (jeremyevans)
* Use READ_DEFAULT_GROUP in the mysql adapter to load the options in the client section of the my.cnf file (crohr)
=== 3.6.0 (2009-11-02)
* Make the MSSQL shared adapter correctly parse the column schema information for tables in the non-default database schema (rohit.namjoshi)
* Use save_changes instead of save when updating existing associated objects in the nested_attributes plugin (jeremyevans)
* Allow Model#save_changes to accept an option hash that is passed to save, so you can save changes without validating (jeremyevans)
* Make nested_attributes plugin add newly created objects to cached association array immediately (jeremyevans)
* Make add_ association method not add the associated object to the cached array if it's already there (jeremyevans)
* Add Model#modified! for explicitly marking an object as modified, so save_changes/update will run callbacks even if no columns have been modified (jeremyevans)
* Add support for a :fields option in the nested attributes plugin, and only allow updating of the fields specified (jeremyevans)
* Don't allow modifying keys related to the association when updating existing objects in the nested_attributes plugin (jeremyevans)
* Add associated_object_keys method to AssociationReflection objects, specifying the key(s) in the associated model table related to the association (jeremyevans)
* Support the memcached protocol in the caching plugin via the new :ignore_exceptions option (EppO, jeremyevans)
* Don't modify array with a string and placeholders passed to Dataset#filter or related methods (jeremyevans)
* Speed up Amalgalite adapter (copiousfreetime)
* Fix bound variables on PostgreSQL when using nil and potentially other values (jeremyevans)
* Allow easier overriding of default options used in the validation_helpers plugin (jeremyevans)
* Have Dataset#literal_other call sql_literal on the object if it responds to it (heda, michaeldiamond)
* Fix Dataset#explain in the amalgalite adapter (jeremyevans)
* Have Model.table_name respect table aliases (jeremyevans)
* Allow marshalling of saved model records after calling #marshallable! (jeremyevans)
* one_to_many association methods now make sure that the removed object is currently associated to the receiver (jeremyevans)
* Model association add_ and remove_ methods now have more descriptive error messages (jeremyevans)
* Model association add_ and remove_ methods now make sure passed object is of the correct class (jeremyevans)
* Model association remove_ methods now accept a primary key value and disassociate the associated model object (natewiger, jeremyevans)
* Model association add_ methods now accept a hash and create a new associated model object (natewiger, jeremyevans)
* Dataset#window for PostgreSQL datasets now respects previous windows (jeremyevans)
* Dataset#simple_select_all? now ignores options that don't affect the SQL being issued (jeremyevans)
* Account for table aliases in eager_graph (mluu)
* Add support for MSSQL clustered index creation (mluu)
* Implement insert_select in the MSSQL adapter via OUTPUT. Can be disabled via disable_insert_output. (jfirebaugh, mluu)
* Correct error handling when beginning a transaction fails (jfirebaugh, mluu)
* Correct JDBC binding for Time objects in prepared statements (jfirebaugh, jeremyevans)
* Emulate JOIN USING clause poorly using JOIN ON if the database doesn't support JOIN USING (e.g. MSSQL, H2) (jfirebaugh, jeremyevans)
* Support column aliases in Dataset#group_and_count (jfirebaugh)
* Support preparing insert statements of the form insert(1,2,3) and insert(columns, values) (jfirebaugh)
* Fix add_index for tables in non-default schema (jfirebaugh)
* Allow named placeholders in placeholder literal strings (jeremyevans)
* Allow the force_encoding plugin to work when refreshing (jeremyevans)
* Add Dataset#bind for setting bound variable values before calling #call (jeremyevans)
* Add additional join methods to Dataset: (cross|natural|(natural_)?(full|left|right))_join (jeremyevans)
* Fix use a dataset aggregate methods (e.g. sum) on limited/grouped/etc. datasets (jeremyevans)
* Clear changed_columns when saving new model objects with a database adapter that supports insert_select, such as postgres (jeremyevans)
* Fix Dataset#replace with default values on MySQL, and respect insert-related options (jeremyevans)
* Fix Dataset#lock on PostgreSQL (jeremyevans)
* Fix Dataset#explain on SQLite (jeremyevans)
* Add Dataset#use_cursor to the native postgres adapter, for processing large datasets (jeremyevans)
* Don't ignore Class.inherited in Sequel::Model.inherited (antage) (#277)
* Optimize JDBC::MySQL::DatabaseMethods#last_insert_id to prevent additional queries (tmm1)
* Fix use of MSSQL with ruby 1.9 (cult hero)
* Don't try to load associated objects when the current object has NULL for one of the key fields (jeremyevans)
* No longer require GROUP BY to use HAVING, except on SQLite (jeremyevans)
* Add emulated support for the lack of multiple column IN/NOT IN support in MSSQL and SQLite (jeremyevans)
* Add emulated support for #ilike on MSSQL and H2 (jeremyevans)
* Add a :distinct option for all associations, which uses the SQL DISTINCT clause (jeremyevans)
* Don't require :: prefix for constant lookups in instance_evaled virtual row blocks on ruby 1.9 (jeremyevans)
=== 3.5.0 (2009-10-01)
* Correctly literalize timezones in timestamps when using Oracle (jeremyevans)
* Add class_table_inheritance plugin, supporting inheritance in the database using a table-per-model-class approach (jeremyevans)
* Allow easier overriding of model code to insert and update individual records (jeremyevans)
* Allow graphing to work on previously joined datasets, and eager graphing of models backed by joined datasets (jeremyevans)
* Fix MSSQL emulated offset support for datasets with row_procs (e.g. Model datasets) (jeremyevans)
* Support composite keys with set_primary_key when called with an array of multiple symbols (jeremyevans)
* Fix select_more and order_more to not affect receiver (tamas.denes, jeremyevans)
* Support composite keys in model associations, including many_through_many plugin support (jeremyevans)
* Add the force_encoding plugin for forcing encoding of strings for models (requires ruby 1.9) (jeremyevans)
* Support DataObjects 0.10 (previous DataObjects versions are now unsupported) (jeremyevans)
* Allow the user to specify the ADO connection string via the :conn_string option (jeremyevans)
* Add thread_local_timezones extension for allow per-thread overrides of the global timezone settings (jeremyevans)
* Add named_timezones extension for using named timezones such as "America/Los_Angeles" using TZInfo (jeremyevans)
* Pass through unsigned/elements/size and other options when altering columns on MySQL (tmm1)
* Replace Dataset#virtual_row_block_call with Sequel.virtual_row (jeremyevans)
* Allow Dataset #delete, #update, and #insert to respect existing WITH clauses on MSSQL (dlee, jeremyevans)
* Add touch plugin, which adds Model#touch for updating an instance's timestamp, as well as touching associations when an instance is updated or destroyed (jeremyevans)
* Add sql_expr extension, which adds the sql_expr to all objects, giving them easy access to Sequel's DSL (jeremyevans)
* Add active_model plugin, which gives Sequel::Model an ActiveModel compliant API, passes the ActiveModel::Lint tests (jeremyevans)
* 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)