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CHANGELOG
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=== HEAD
* Qualify identifiers when filtering/excluding by associations (jeremyevans)
* Make table_exists? better handle tables where you don't have permissions for all columns (jeremyevans) (#422)
* Using new association options, support associations based on columns that clash with ruby method names (jeremyevans) (#417)
* Add use_after_commit_rollback setting to models, can be turned off to allow model usage with prepared transactions (jeremyevans)
* Fix alter table emulation on SQLite when foreign keys reference the table being altered (jeremyevans)
* Fix progress shared adapter, broken since the dataset literalization refactoring (jeremyevans) (#414)
* Support :map and :to_hash prepared statement types (jeremyevans)
* Make Dataset#naked! work correctly (jeremyevans)
* Remove Dataset#paginate!, as it was broken (jeremyevans)
* Fix query extension to not break usage of #clone without arguments (jeremyevans) (#413)
=== 3.31.0 (2012-01-03)
* Dataset#from no longer handles :a__b__c___d as a.b.c AS d (jeremyevans)
* Support many_to_one associations with the same name as their column, using the :key_column option (jeremyevans)
* Add Model.def_column_alias for defining alias methods for columns (jeremyevans)
* Support :server option in Dataset#import and #multi_insert (jeremyevans)
* Respect existing RETURNING/OUTPUT clauses in #import/#multi_insert on PostgreSQL/MSSQL (jeremyevans)
* Support :return=>:primary_key option to Dataset#import and #multi_insert (jeremyevans)
* Correctly handle return value for Dataset#insert with column array and value array on PostgreSQL <8.2 (jeremyevans)
* Dataset#insert_multiple now returns an array of inserted primary keys (jeremyevans) (#408)
* Support RETURNING with DELETE and UPDATE on PostgreSQL 8.2+ (funny-falcon)
* Raise error if tables from two separate schema are detected when parsing the schema for a single table on PostgreSQL (jeremyevans)
* Handle clob types as string instead of blob on H2 (jeremyevans)
* Add database type support to the mock adapter, e.g. mock://postgres (jeremyevans)
* Allow creation of full text indexes on Microsoft SQL Server, but you need to provide a :key_index option (jeremyevans)
* Allow Dataset#full_text_search usage with prepared statements (jeremyevans)
* Make Dataset#exists use a PlaceholderLiteralString so it works with prepared statements (jeremyevans)
* Fix Dataset#empty? for datasets with offsets when offset support is emulated (jeremyevans)
* Add Dataset#group_rollup and #group_cube methods for GROUP BY ROLLUP and CUBE support (jeremyevans)
* Add support for custom serialization formats to the serialization plugin (jeremyevans)
* Support a :login_timeout option in the jdbc adapter (glebpom) (#406)
=== 3.30.0 (2011-12-01)
* Handle usage of on_duplicate_key_update in MySQL prepared statements (jeremyevans) (#404)
* Make after_commit and after_rollback respect :server option (jeremyevans) (#401)
* Respect :connect_timeout option in the postgres adapter when using pg (glebpom, jeremyevans) (#402)
* Make Dataset#destroy for model datasets respect dataset shard when using a transaction (jeremyevans)
* Make :server option to Model#save set the shard to use (jeremyevans)
* Move Model#set_server from the sharding plugin to the base plugin (jeremyevans)
* Add :graph_alias_base association option for setting base name to use for table aliases when eager graphing (jeremyevans)
* Make ILIKE work correctly on Microsoft SQL Server if database/column collation is case sensitive (jfirebaugh) (#398)
* When starting a new dataset graph, assume existing selection is the columns to select from the current table (jeremyevans)
* Allow specifying nanoseconds and offsets when converting a hash or array to a timestamp (jeremyevans, jfirebaugh) (#395)
* Improve performance when converting Java types to ruby types in the jdbc adapter (jeremyevans, jfirebaugh) (#395)
* Fix tinytds adapter if DB.identifier_output_method = nil (jeremyevans)
* Explicitly order by the row number column when emulating offsets (jfirebaugh) (#393)
* Fix Dataset#graph and #eager_graph modifying the receiver if the receiver is already graphed (jeremyevans) (#392)
* Change dataset literalization to an append-only-all-the-way-down design (jeremyevans)
=== 3.29.0 (2011-11-01)
* Allow Model.dataset_module to take a Module instance (jeremyevans)
* Apply Model.[] optimization in more cases (jeremyevans)
* Fix Model.[] optimization when dataset uses identifier_input_method different than database (jeremyevans)
* Work around pragma bug on jdbc/sqlite when emulating alter table support (jeremyevans)
* Database#<< and Dataset#<< now return self so they can be safely chained (jeremyevans)
* Fully support using an aliased table name as the :join_table option for a many_to_many association (jeremyevans)
* Make like case sensitive on SQLite and Microsoft SQL Server (use ilike for case insensitive matching) (jeremyevans)
* Add Database#extend_datasets for the equivalent of extending of the Database object's datasets with a module (jeremyevans)
* Speed up Dataset #map, #to_hash, and related methods if an array of symbols is given (jeremyevans)
* Add Database#dataset_class for modifying the class used for datasets for a single Database object (jeremyevans)
* Plugins that override Model.load should be modified to override Model.call instead (jeremyevans)
* Speed up loading model objects from the database by up to 7-16% (jeremyevans)
* Create accessor methods for all columns in a model's table, even if the dataset doesn't select the columns (jeremyevans)
* Add mock adapter for better mocking of a database connection (jeremyevans)
* Have models pass their dataset instead of table name to Database#schema (jeremyevans)
* Allow Database#schema to take a dataset as the table argument, and use its identifier input/output methods (jeremyevans)
* Significant improvements to the db2 adapter (jeremyevans)
* Handle methods with names that can't be called directly in Model.def_dataset_method (jeremyevans)
* Add dataset_associations plugin for making dataset methods that return datasets of associated objects (jeremyevans)
* Don't allow Model.def_dataset_method to override private model methods (jeremyevans)
* Parsing primary key information from system tables in the shared MSSQL adapter (jeremyevans)
* Fix handling of composite primary keys when emulating alter table operations on SQLite (jeremyevans)
* Emulate add_constraint and drop_constraint alter table operations on SQLite (jeremyevans)
* Apply the correct pragmas when connecting to SQLite via the Amalgalite and Swift adapters (jeremyevans)
* Fix bound variable usage for some types (e.g. Date) when used outside of prepared statements on SQLite (jeremyevans)
* Work around SQLite column naming bug when using subselects (jeremyevans)
* Make prepared_statements plugin work with adapters that require type specifiers for variable placeholders, such as oracle (jeremyevans)
* Add savepoint support to the generic JDBC transaction support (used by 6 jdbc subadapters) (jeremyevans)
* Add native prepared statement support to the oracle adapter (jeremyevans)
* Support sharding correctly by default when using transactions in model saving/destroying (jeremyevans)
* Add Database#in_transaction? method for checking if you are already in a transaction (jeremyevans)
* Add after_commit, after_rollback, after_destroy_commit, and after_destroy_rollback hooks to Model objects (jeremyevans)
* Add after_commit and after_rollback hooks to Database objects (jeremyevans) (#383)
* Support savepoints inside prepared transactions on MySQL (jeremyevans)
* Support opening transactions to multiple shards of the same Database object in the same Thread (jeremyevans)
* Add Sequel.transaction for running transactions on multiple databases at the same time (jeremyevans)
* Support :rollback => :always option in Database#transaction to always rollback the transaction (jeremyevans)
* Support :rollback => :reraise option in Database#transaction to reraise the Sequel::Rollback exception (jeremyevans)
* Add support for connecting to Apache Derby databases using the jdbc adapter (jeremyevans)
* Add support for connecting to HSQLDB databases using the jdbc adapter (jeremyevans)
* Fix inserting all default values into a table on DB2 (jeremyevans)
* Add :qualify option to many_to_one associations for whether to qualify the primary key column with the associated table (jeremyevans)
* Modify rcte_tree plugin to use column aliases if recursive CTEs require them (jeremyevans)
* Add Dataset#recursive_cte_requires_column_aliases? method to check if you must provide an argument list for a recursive CTE (jeremyevans)
* Much better support for Oracle in both the oci8-based oracle adapter and the jdbc oracle subadapter (jeremyevans)
* Handle CTEs in subselects in more places on databases that don't natively support CTEs in subselects (jeremyevans)
* Change Dataset#to_hash to not call the row_proc if 2 arguments are given (jeremyevans)
* Change Dataset#map to not call the row_proc if an argument is given (jeremyevans)
* Make Dataset#select_map and #select_order_map return an array of single element arrays if given an array with a single symbol (jeremyevans)
* Make Dataset#columns work correctly on jdbc, odbc, ado, and dbi adapters when using an emulated offset on MSSQL and DB2 (jeremyevans)
* Add Database#listen and #notify to the postgres adapter, for LISTEN and NOTIFY support (jeremyevans)
* Emulate the bitwise compliment operator on h2 (jeremyevans)
* Fix improper handling of emulated bitwise operators with more than two arguments (jeremyevans)
* Allow convert_invalid_date_time to be set on a per-Database basis in the mysql adapter (jeremyevans)
* Allow convert_tinyint_to_bool to be set on a per-Database basis in the mysql and mysql2 adapters (jeremyevans)
* Allow per-Database override of the typeconversion procs on the mysql, sqlite, and ibmdb adapters (jeremyevans)
* Add Database#timezone accessor, for overriding Sequel.database_timezone per Database object (jeremyevans)
=== 3.28.0 (2011-10-03)
* Add firebird jdbc subadapter (jeremyevans)
* Add SQLTime.create method for easier creation of SQLTime instances (jeremyevans)
* Make Dataset#with_pk use a qualified primary key, so it works correctly on joined datasets (jeremyevans)
* Support the :limit association option when using eager_graph (jeremyevans)
* Fix eager loading via eager_graph of one_to_one associations that match multiple associated objects and use order to pick the first one (jeremyevans)
* Make after_load association hooks apply when using eager_graph (jeremyevans)
* Make Dataset#with_sql treat a symbol as a first argument as a method name to call to get the SQL (jeremyevans)
* Make Dataset #delete, #insert, #update return array of plain hashes if block not given and Dataset#returning is used (jeremyevans)
* Allow Dataset #map, #to_hash, #select_map, #select_order_map, and #select_hash to take arrays of columns instead of single columns (jeremyevans)
* Make Dataset #delete, #insert, #update yield plain hashes to a block if Dataset#returning is used (jeremyevans)
* Add Dataset#returning for setting the columns to return in INSERT/UPDATE/DELETE statements, used by PostgreSQL 9.1 (jeremyevans)
* Support WITH clause in INSERT/UPDATE/DELETE on PostgreSQL 9.1+ (jeremyevans)
* Add Database#copy_table for PostgreSQL COPY support when using the postgres adapter with pg (jeremyevans)
* Support CREATE TABLE IF NOT EXISTS on PostgreSQL 9.1+ (jeremyevans)
* Add support for Sequel::Model.default_eager_limit_strategy to set the default :eager_limit_strategy for *_many associations (jeremyevans)
* Add support for an :eager_limit_strategy => :correlated_subquery value for limiting using correlated subqueries (jeremyevans)
* Allow use of a dataset that uses the emulated offset support on MSSQL and DB2 in an IN subquery by using a nested subquery (jeremyevans)
* Allow use of a dataset that uses LIMIT in an IN subquery on MySQL by using a nested subquery (jeremyevans)
* Work around serious ActiveSupport bug in Time.=== that breaks literalization of Time values (jeremyevans)
* Speed up SQL operator methods by using module_eval instead of define_method (jeremyevans)
* Support sql_(boolean,number,string) methods on ComplexExpressions, allowing you do to (x + 1).sql_string + 'a' for (x + 1) || 'a' (jeremyevans)
* Don't disallow SQL expression creation based on types, leave that to the database server (jeremyevans)
* Make :column [&|] 1 use an SQL bitwise [&|] expression instead of a logical (AND|OR) expression (jeremyevans)
* Make :column + 'a' use an SQL string concatenation expression instead of an addition expression (jeremyevans)
* Fix :time typecasting from Time to SQLTime for fractional seconds on ruby 1.9 (jeremyevans)
* Have Dataset#select_append check supports_select_all_and_column? and select all from all FROM and JOIN tables if no columns selected (jeremyevans)
* Add Dataset#supports_select_all_and_column? for checking if you can do SELECT *, column (jeremyevans)
* Add support for an :eager_limit_strategy => :window_function value for limiting using window functions (jeremyevans)
* Add support for an :eager_limit_strategy => :distinct_on value for one_to_one associations for using DISTINCT ON (jeremyevans)
* Add support for an :eager_limit_strategy association option, for manual control over how limiting is done (jeremyevans)
* Add Dataset#supports_ordered_distinct_on? for checking if the dataset can use distinct on while respecting order (jeremyevans)
* Add support for the association :limit option when eager loading via .eager for *_many associations (jeremyevans)
* Add db2 jdbc subadapter (jeremyevans)
* Fix the db2 adapter so it actually works (jeremyevans)
* Add ibmdb adapter for accessing DB2 (roylez, jeremyevans) (#376)
* Add much better support for DB2 databases (roylez, jeremyevans) (#376)
* Handle SQL::AliasedExpressions and SQL::JoinClauses in Dataset#select_all (jeremyevans)
* Speed up type translation slightly in mysql, postgres, and sqlite adapters (jeremyevans)
* Add Dataset#supports_cte_in_subqueries? for checking whether database supports WITH in subqueries (jeremyevans)
* Allow Model.set_dataset to accept Sequel::LiteralString arguments as table names (jeremyevans)
* Association :after_load hooks in lazy loading are now called after the associated objects have been cached (jeremyevans)
* Emulate handling of extract on MSSQL, using datepart (jeremyevans)
* Emulate handling of extract on SQLite, but you need to set Database#use_timestamp_timezones = false (jeremyevans)
* Abstract handling of ComplexExpressionMethods#extract so that it can work on databases that don't implement extract (jeremyevans)
* Emulate xor operator on SQLite (jeremyevans)
* Add Dataset#supports_where_true? for checking if the database supports WHERE true (or WHERE 1 if 1 is true) (jeremyevans)
* Fix eager loading via eager of one_to_one associations that match multiple associated objects and use order to pick the first one (jeremyevans)
=== 3.27.0 (2011-09-01)
* Add support for native prepared statements to the tinytds adapter (jeremyevans)
* Add support for native prepared statements and stored procedures to the mysql2 adapter (jeremyevans)
* Support dropping primary key, foreign key, and unique constraints on MySQL via the drop_constraint :type option (jeremyevans)
* Add Sequel::SQLTime class for handling SQL time columns (jeremyevans)
* Typecast DateTime objects to Date for date columns (jeremyevans)
* When typecasting Date objects to timestamps, make the resulting objects always have no fractional date components (jeremyevans)
* Add Model.dataset_module for simplifying many def_dataset_method calls (jeremyevans)
* Make prepared_statements_safe plugin work on classes without datasets (jeremyevans)
* Make Dataset#hash work correctly when referencing SQL::Expression instances (jeremyevans)
* Handle allowed mass assignment methods correctly when including modules in classes or extending instances with modules (jeremyevans)
* Fix Model#hash to work correctly with composite primary keys and with no primary key (jeremyevans)
* Model#exists? now returns false without issuing a query for new model objects (jeremyevans)
=== 3.26.0 (2011-08-01)
* Fix bug in default connection pool if a disconnect error is raised and the disconnection_proc also raises an error (jeremyevans)
* Disallow eager loading via eager of many_*_many associations with :eager_graph option (jeremyevans)
* Major speedup in dataset creation (jeremyevans)
* Replace internal implementation of eager_graph with much faster version (jeremyevans)
* Don't treat strings with leading zeros as octal format in the default typecasting (jeremyevans)
* Fix literalization of Date, Time, and DateTime values on Microsoft Access (jeremyevans)
* Fix handling of nil values with the pure-Java version of nokogiri in the xml_serializer plugin (jeremyevans)
* Make identity_map plugin work with standard eager loading of many_to_many and many_through_many associations (jeremyevans)
* Make create_table! only attempt to drop the table if it already exists (jeremyevans)
* Remove custom table_exists? implementations in the oracle and postgres adapters (jeremyevans)
* Handle another type of disconnection in the postgres adapter (jeremyevans)
* Handle disconnections in the ado adapter and do postgres subadapter (jeremyevans)
* Recognize disconnections when issuing BEGIN/ROLLBACK/COMMIT statements (jeremyevans) (#368)
=== 3.25.0 (2011-07-01)
* Work with tiny_tds-0.4.5 in the tinytds adapter, older versions are no longer supported (jeremyevans)
* Make association_pks plugin typecast provided values to integer if the primary key column type is integer (jeremyevans)
* Model.set_dataset now accepts Identifier, QualifiedIdentifier, and AliasedExpression arguments (jeremyevans)
* Fix handling of nil values in bound variables and prepared statement and stored procedure arguments in the jdbc adapter (jeremyevans, wei)
* Allow treating Datasets as Expressions, e.g. DB[:table1].select(:column1) > DB[:table2].select(:column2) (jeremyevans)
* No longer use CASCADE by default when dropping tables on PostgreSQL (jeremyevans)
* Support :cascade option to #drop_table, #drop_view, #drop_column, and #drop_constraint for using CASCADE (jeremyevans)
* If validation error messages are LiteralStrings, don't add the column name to them in Errors#full_messages (jeremyevans)
* Fix bug loading plugins on 1.9 where ::ClassMethods, ::InstanceMethods, or ::DatasetMethods is defined (jeremyevans)
* Add Dataset#exclude_where and Dataset#exclude_having methods, so you can force use of having or where clause (jeremyevans)
* Allow Dataset#select_all to take table name arguments and select all columns from each given table (jeremyevans)
* Add Dataset#select_group method, for selecting and grouping on the same columns (jeremyevans)
* Allow Dataset#group and Dataset#group_and_count to accept a virtual row block (jeremyevans)
=== 3.24.1 (2011-06-03)
* Ignore index creation errors if using create_table? with the IF NOT EXISTS syntax (jeremyevans) (#362)
=== 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)