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CHANGELOG
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=== 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)
* 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)