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CHANGELOG
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=== master
* When using Database#transaction :retry_on, call :before_retry option if retrying even if :num_retries is nil (jcmfernandes) (#1678)
* Support generated columns on SQLite 3.31+ using :generated_always_as and :generated_type options (jeremyevans)
=== 5.29.0 (2020-02-01)
* Recognize another disconnect error in the tinytds adapter (jeremyevans)
* Fix verbose warning in postgres adapter when using prepared statements and recent versions of ruby-pg (jeremyevans)
* Work correctly on Ruby 2.8+ by supporting second argument for initialize_clone (jeremyevans)
* Add empty_failure_backtraces plugin for empty backtraces for ValidationFailed and HookFailed exceptions, much faster on JRuby (jeremyevans)
* Add Dataset#json_serializer_opts to json_serializer plugin, allowing to set json_serializer options on a per-dataset basis (jeremyevans)
=== 5.28.0 (2020-01-01)
* Warn when calling Sequel::JDBC::Postgres::Dataset#with_fetch_size (jeremyevans) (#1665)
* Add exclude_or_null extension, for filtering datasets where the condition is false or NULL (jeremyevans)
* Add any_not_empty extension, for making Dataset#any? without a block mean !empty? (jeremyevans)
=== 5.27.0 (2019-12-01)
* Add Sequel::DEFAULT for a DEFAULT expression, useful for assigning to default values (jeremyevans)
* Make Postgres::ArrayOp#join in pg_array_ops extension work correctly on PostgreSQL <9.1 (jeremyevans)
* Make pg_enum extension work correctly on PostgreSQL 8.3-9.0 (jeremyevans)
* Emulate FILTER clause for aggregate functions using CASE on databases not supporting it directly (jeremyevans)
* Support ordering by NULLS FIRST/NULLS LAST without emulation on SQLite 3.30+ (jeremyevans)
=== 5.26.0 (2019-11-01)
* Recognize two additional foreign key constraint violation codes on MySQL 8.0.13+ (rianmcguire) (#1657)
* Support table aliases for single-table INSERT statements on PostgreSQL 9.5+ (jeremyevans) (#1656)
* Implement Sequel::Postgres::PGRange#hash so instances work correctly in hashes (jeremyevans) (#1648)
* Make dirty plugin work correctly with typecast_on_load plugin (jeremyevans) (#1647)
* Add support for :require_modification option when setting up nested_attributes (jeremyevans)
* Add support for SQL/JSON path expressions to the pg_json_ops extension, supported by PostgreSQL 12+ (jeremyevans)
=== 5.25.0 (2019-10-01)
* Fix Sequel::SQL::NumericMethods#coerce to not raise NoMethodError if super method is not defined (jeremyevans) (#1645)
* Allow setting a default for a column that already has a default on Microsoft SQL Server (jeremyevans)
* Fix keyword argument separation warnings on Ruby master branch in csv_serializer plugin (jeremyevans)
* Add association_multi_add_remove plugin for adding/removing multiple associated objects in a single method call (AlexWayfer, jeremyevans) (#1641, #1643)
* Make sharding plugin integrate with server_block extension (jeremyevans)
=== 5.24.0 (2019-09-01)
* Add Database#skip_logging? private method designed for extensions to force query timing even if no logger is present (adam12) (#1640)
* Allow a hostname specified in a defaults_file in the mysql2 adapter, by not explicitly setting :host (sapio-bdeamer) (#1638)
* Convert all database array types to Ruby arrays in the jdbc adapter (jeremyevans)
* Add static_cache_cache plugin for caching rows for static_cache models to a file to avoid database queries during model initialization (jeremyevans)
* Add :cache_file plugin option to pg_auto_constraint_validations plugin, for caching metadata to a file for faster initialization (jeremyevans)
* Support :unique_deferrable and :primary_key_deferrable column options (jeremyevans)
* Support :generated_always_as column option on PostgreSQL 12+ (jeremyevans)
=== 5.23.0 (2019-08-01)
* Work around a bug on jdbc-sqlite3 3.27.2.1 when parsing schema for tables with columns with default values (jeremyevans)
* Work around a bug in jdbc-sqlite3 3.27.2.1 when in Database#foreign_key_list in the jdbc/sqlite3 adapter (jeremyevans)
* Make Dataset#execute* private methods respect explicit servers option, fixing Dataset#paged_each in the postgres adapter when sharding (jeremyevans) (#1632)
* Handle instances of subclasses of core classes when wrapping objects in the pg_json extension (jeremyevans) (#1631)
* Support :ansi Database option in the tinytds adapter (kenaniah) (#1629)
* Support cross-database and linked servers when parsing schema on Microsoft SQL Server (kenaniah) (#1629)
* Add insert_conflict plugin for automatically handling unique constraint conflicts when saving new model instances on PostgreSQL 9.5+ and SQLite 3.24.0+ (jeremyevans)
* Avoid errors when parsing schema in the mock sqlite adapter (jeremyevans)
* Avoid possible thread-safety issue in the timezones support (jeremyevans)
* Handle offsets when typecasting an array or hash to datetime when Sequel.datetime_class = Time (jeremyevans)
* Support Sequel.datetime_class = Time when using the named_timezones extension (jeremyevans)
=== 5.22.0 (2019-07-01)
* Fix Dataset#multi_insert and #import with return: :primary_key on MSSQL when the dataset has a row_proc (jeremyevans) (#1627)
* Support Dataset#with :materialized option on PostgreSQL 12 for [NOT] MATERIALIZED (jeremyevans)
* Make Database#primary_key_sequence work on tables without serial sequences on PostgreSQL 12 (jeremyevans)
* Support ruby 2.7+ startless ranges in the pg_range extension (jeremyevans)
* Support ruby 2.7+ startless, endless ranges in filters, using an always true condition for them (jeremyevans)
* Support ruby 2.7+ startless ranges in filters, using just a <= or < operator for them (jeremyevans)
=== 5.21.0 (2019-06-01)
* Recognize additional DatabaseLockTimeout errors in mysql and mysql2 adapters (jeremyevans)
* Disallow eager_graph of ancestors and descendants associations when using the rcte_tree plugin (jeremyevans)
* Make jdbc/mysql adapter work when using JRuby with Java 11 (jeremyevans)
* Support window function options :window, :exclude, and :frame :type=>:groups, :start, and :end on SQLite 3.28.0+ (jeremyevans)
* Make the server_block extension respect the :servers_hash Database option (jeremyevans)
* Typecast string input for json/jsonb types as JSON strings instead of parsing as JSON in the pg_json extension when Database#typecast_json_strings is set to true (jeremyevans)
* Wrap JSON primitives (string, number, true, false, nil) in the pg_json extension when Database#wrap_json_primitives is set to true (jeremyevans)
* Convert the Database :timeout option to an integer in the sqlite adapter (jeremyevans) (#1620)
* Improve performance in ado adapter using more efficient inner loop (jeremyevans)
* Improve performance in ado adapter using faster callables for type conversion (jeremyevans)
* Fix handling of decimal values in the ado adapter when using locales where the decimal separator is , and not . (jeremyevans) (#1619)
=== 5.20.0 (2019-05-01)
* Fix reversing of alter_table add_foreign_key when :type option is used (jeremyevans) (#1615)
* Switch from using instance_exec to define_method for model associations and in some plugins (jeremyevans)
* Fix Database#server_version when using mysql2 adapter with mysql driver on MariaDB 10+ database (v-kolesnikov) (#1614)
* Make one_to_one setter method handle models that use joined datasets (jeremyevans) (#1612)
* Make auto_validations plugin work with the class_table_inheritance plugin (jeremyevans) (#1611)
* Avoid use of instance_exec for PlaceholderLiteralString#with_dataset (jeremyevans)
* Recognize float unsigned database types as float (keeguon, jeremyevans) (#1609)
* Support :savepoint options to Database#{after_commit,after_rollback} for making the hooks handle savepoints (jeremyevans)
* Avoid use of instance_exec in association_dependencies plugin (jeremyevans)
* Add pg_auto_constraint_validation_override to the pg_auto_constraint_validations plugin, for customizing columns and error message per constraint (jeremyevans)
* Make Database#check_constraints on PostgreSQL also include constraints where the related columns are not known (jeremyevans)
=== 5.19.0 (2019-04-02)
* Use more optimized approach to merging hashes in ruby 2.5+ (jeremyevans)
* Use SQLite extended result codes when using ruby-sqlite3 1.4.0+ (jeremyevans)
* Recognize additional SQLite extended result codes in the shared sqlite adapter (jeremyevans)
* Add Database#rename_enum_value to the pg_enum extension (AlexWayfer) (#1603)
* Make Database#drop_table delete constraint validations metadata for that table if using the constraint_validations extension (jeremyevans)
* Speed up row fetching in the sqlite adapter (jeremyevans)
* Speed up row fetching and type conversion in the sqlanywhere adapter (jeremyevans)
=== 5.18.0 (2019-03-01)
* Use singleton .call methods on plain objects instead of procs/methods for faster type conversion (jeremyevans)
* Add Sequel::SQL::Blob.call to avoid indirection when converting values from the database (jeremyevans)
* Use while instead of each for inner loops in sqlite and jdbc adapters for better performance (jeremyevans)
* Make after_initialize plugin not make the argument to Model.call optional (jeremyevans)
* Allow Dataset#paged_each to be called without a block in the postgres and mysql2 adapters (jeremyevans)
* Remove flow-control exceptions in connection_expiration and connection_validator extensions (jeremyevans)
* Add throw_failures plugin for throwing ValidationFailed and HookFailed exceptions instead of raising them, up to 10x performance increase on JRuby (jeremyevans)
* Support tzinfo 2 in addition to tzinfo 1 in the named_timezones extension (jeremyevans) (#1596)
=== 5.17.0 (2019-02-01)
* Support skip_auto_validations instance method in auto_validations plugin (oldgreen, jeremyevans) (#1592)
* Support :preconnect_extensions Database option for loading extensions before :preconnect option (jeremyevans)
* Avoid usage of Proc.new with implicit block as ruby 2.7+ deprecates this behavior (jeremyevans)
* Allow Sequel[].as to be used for constructing aliases with eager_graph (e.g. Model.eager_graph(Sequel[:a].as(:b))) (jeremyevans) (#1588)
=== 5.16.0 (2019-01-02)
* Convert integer columns to bigint columns when copying SQLite databases to other databases using bin/sequel -C (jeremyevans) (#1584)
* Use nicer error messages for missing or empty migration directories (Lavode) (#1585)
* Make alter table emulation work correctly in SQLite 3.26.0+ (jeremyevans) (#1582)
* Do not unset new one_to_one associated objects' reciprocal associations before saving associated objects in the nested_attributes plugin (jeremyevans)
* Do not validate new one_to_one associated objects twice when saving in the nested_attributes plugin (jeremyevans)
* Fix :qualify_tables option to class_table_inheritance plugin to work correctly with subclasses of subclasses (benalavi) (#1581)
* Make class_table_inheritance plugin use the schema cache instead of sending a query to get columns for tables (kenaniah) (#1580)
* Remove loading of mysqlplus in the mysql adapter (jeremyevans)
* Make mysql adapter work correctly on ruby 2.6+ (jeremyevans)
* Add Database#rollback_on_exit to rollback transactions instead of committing them when exiting the transaction block (jeremyevans)
* Enable window functions in SQLite 3.26.0+ (jeremyevans)
* Do not override existing methods when creating Sequel::Model attribute getter/setter methods (jeremyevans) (#1578)
* Use parentheses for expressions being subscripted (e.g. (array_agg(column))[1]) (jeremyevans)
=== 5.15.0 (2018-12-01)
* Add :conn_str option in the postgres adapter for PostgreSQL connection strings, if the pg driver is used (graywolf) (#1572)
* Add :qualify_tables option to class_table_inheritance plugin to automatically qualify subclass tables with superclass qualifier (benalavi) (#1571)
* Access already allocated connections in a thread safe manner when checking out connections in the sharded threaded connection pool (jeremyevans)
* Automatically support datasets using qualified tables in the class_table_inheritance plugin without having to use the :alias option (benalavi) (#1565)
* Support rename_column without emulation on SQLite 3.25+ (jeremyevans)
* Do not remove currently cached many_to_one associated objects when changing the related foreign key value from nil to non-nil (jeremyevans)
* Do not validate new *_to_many associated objects twice when saving in the nested_attributes plugin (jeremyevans)
* Add Model#skip_validation_on_next_save! for skipping validation on next save call (jeremyevans)
=== 5.14.0 (2018-11-01)
* Drop defaulting the :port option to 5432 in the postgres adapter, so that setting the :service option in :driver_options works (jeremyevans) (#1558)
* Do not cache values for columns without parseable defaults when using :cache option in defaults_setter plugin (jeremyevans)
* Emulate NULLS FIRST/LAST ordering on databases that do not natively support it (jeremyevans)
* Do not modify boolean expressions created from string or array if string or array is modified (jeremyevans)
* Make roots and roots_dataset dataset methods instead of class methods in the tree plugin (JelF) (#1554)
* Do not cache dataset SQL if dataset uses subquery that cannot cache SQL (jeremyevans)
* Make Model#=== work correctly for models with composite primary keys (jeremyevans)
* Add Model#pk_equal? as a more descriptive name for Model#=== (AlexWayfer) (#1550)
* Do not push down expression inversion in cases where it may result in incorrect behavior (e.g. ANY/SOME/ALL operators) (jeremyevans) (#1549)
=== 5.13.0 (2018-10-01)
* Support :single_value type in prepared statements (rintaun) (#1547)
* Make Model.all in static_cache plugin accept a block (AlexWayfer, jeremyevans) (#1543)
* Add constant_sql_override extension for overriding SQL used for constants such as CURRENT_TIMESTAMP (celsworth) (#1538)
* Do not cache from_self datasets if options are given (jeremyevans)
=== 5.12.0 (2018-08-31)
* Make constraint_validations extension respect Database#constraint_validations_table setting (jeremyevans)
* Make Sequel.extension load files from gems (jeremyevans)
* Map clob prepared statement argument type to OCI8::CLOB in the oracle adapter (pipistrellka) (#1534)
* Make Model.load_cache public in the static_cache plugin (AlexWayfer) (#1533)
* Enable support for NOWAIT on MariaDB 10.3+ (jeremyevans)
* Enable support for INTERSECT and EXCEPT on MariaDB 10.3+ (jeremyevans)
* Make tactical_eager_loading plugin handle automatic eager loading for associated objects created by eager_graph (jeremyevans)
* Cache eager_graph loader to speed up subsequent loads from the same dataset (jeremyevans)
* Add caller_logging database extension to log callers before queries, useful during development (jeremyevans)
* Add Database#call_procedure in the postgres adapter for calling PostgreSQL 11+ procedures (jeremyevans)
* Add eager_graph_eager plugin for chaining eager association loads after eager_graph association loads (jeremyevans)
* Support using Dataset#eager_graph in eager load callback for associations using join tables (jeremyevans)
* Make Dataset#graph handle existing selections without determinable aliases by forcing a subselect (jeremyevans)
* Freeze prepared statement arguments before returning the prepared statement (jeremyevans)
* Refactor emulated prepared statement internals to use a placeholder literalizer (jeremyevans)
=== 5.11.0 (2018-08-01)
* Fix using the jdbc/sqlserver adapter on JRuby 9.2+ (jeremyevans)
* Fix dumping schema for numeric/decimal columns with default values, broken starting in 5.9.0 (jeremyevans)
* Recognize additional check constraint violations on certain versions of SQLite (jeremyevans)
* Use cached model instances for Model.first calls without an argument or with a single integer argument in the static_cache plugin (AlexWayfer) (#1529)
* Support ON CONFLICT clause for INSERT on SQLite 3.24+ (jeremyevans)
* Support Dataset#window for WINDOW clause on MySQL 8 and SQLAnywhere (jeremyevans)
* Enable window function support on SQLAnywhere (jeremyevans)
* Support using a hash as a window function :frame option value, with support for ROWS/RANGE/GROUPS, numeric offsets, and EXCLUDE (jeremyevans)
* Allow using set_column_default with a nil value to remove the default value for a column on MySQL when the column is NOT NULL (jeremyevans)
=== 5.10.0 (2018-07-01)
* Use input type casts when using the postgres adapter with pg 0.18+ to reduce string allocations for some primitive types used as prepared statement arguments (jeremyevans)
* Assume local time if database timezone not specified when handling BC timestamps on JRuby 9.2.0.0 in the pg_extended_date_support extension (jeremyevans)
* Fix parsing of timetz types in the jdbc/postgresql adapter (jeremyevans)
* Make SQLTime.parse respect SQLTime.date and Sequel.application_timezone (jeremyevans)
* Add :top as an option in the list plugin (celsworth) (#1526)
* Fix Model#{ancestors,descendants,self_and_siblings} in the tree plugin when custom parent/children association names are used (jeremyevans) (#1525)
* Treat read-only mode error as disconnect error on mysql and mysql2 adapters, for better behavior on AWS Aurora cluster (jeremyevans)
* Don't use cached placeholder literalizers for in Dataset#{first,where_all,where_each,where_single_value} if argument is empty array or hash (jeremyevans)
* Support :tablespace option when adding tables, indexes, and materialized views on PostgreSQL (jeremyevans)
* Support :include option for indexes on PostgreSQL 11+ (jeremyevans)
* Allow the use of IN/NOT IN operators with set returning functions for Sequel::Model datasets (jeremyevans)
* Make many_to_pg_array associations in the pg_array_associations plugin work on PostgreSQL 11 (jeremyevans)
* Only load strscan library in pg_array extension if it is needed (jeremyevans)
* Don't remove related many_to_one associations from cache when setting column value to existing value for model instances that have not been persisted (jeremyevans) (#1521)
* Support ruby 2.6+ endless ranges in the pg_range extension (jeremyevans)
* Support ruby 2.6+ endless ranges in filters, using just a >= operator for them (jeremyevans)
=== 5.9.0 (2018-06-01)
* Support generated columns on MySQL 5.7+ and MariaDB 5.2+ (wjordan, jeremyevans) (#1517)
* Add escaped_like extension for creation of LIKE expressions with placeholders in the pattern without access to a dataset (jeremyevans)
* Modify jdbc adapter exception handling to work around ::NativeException deprecation in JRuby 9.2 (jeremyevans)
* Work around broken BC date handling in JRuby 9.2.0.0 (jeremyevans)
* Switch use of BigDecimal.new() to BigDecimal(), since the former is deprecated (jeremyevans)
* Add Sequel::VERSION_NUMBER for easier version comparisons (jeremyevans)
* Add Model.has_dataset? to determine if the model class has a dataset (AlexWayfer) (#1508)
* Support use of LIKE with ANY function on PostgreSQL by avoiding unnecessary use of ESCAPE syntax (jeremyevans)
* Disconnect connections left allocated by dead threads instead of returning the connections to the pool (jeremyevans)
* Make both threaded connection pools avoid disconnecting connections while holding the connection pool mutex (jeremyevans)
* Don't deadlock when disconnecting connections in the sharded_threaded connection pool when using connection_validator or connection_expiration extensions (jeremyevans)
* Don't modify hash argument passed in Model.nested_attributes in the nested_attributes plugin (jeremyevans)
* Avoid unnecessary hash creation in many places (jeremyevans)
* Fix duplicate objects in nested associations when eager_graphing cascaded many_to_one=>one_to_many associations (jeremyevans)
=== 5.8.0 (2018-05-01)
* Don't mark SQLAnywhere as supporting WITH in INSERT statement (jeremyevans)
* Support :search_path as a shard option on PostgreSQL (jeremyevans)
* Add Dataset#nowait for raising a Sequel::DatabaseLockTimeout when a locked row is encountered, supported on PostgreSQL, MySQL 8+, MSSQL, and Oracle (jeremyevans)
* Support Dataset#skip_locked on MySQL 8+ (jeremyevans)
* Make schema modification methods in the pg_enum extension work on a frozen Database object (jeremyevans)
* Support common table expressions and window functions on MySQL 8+ (jeremyevans)
* Ignore Dataset#explain :extended option on MySQL 5.7+, since extended output is then the MySQL default (jeremyevans)
* Work around REGEXP BINARY not working correctly on MySQL 8+ by using REGEXP_LIKE with the 'c' match_type (jeremyevans)
* Force correct column order in Database#foreign_key_list on MySQL (jeremyevans)
* Add ConnectionPool#connection_expiration_random_delay to connection_expiration extension, to avoid thundering herd if preallocating connections (hex2a, jeremyevans) (#1503)
* Emit deprecation warning in association_proxies plugin if using #filter on an association proxy, since behavior will change on ruby 2.6+ (utilum) (#1497)
* Handle multiple add_constraint calls and a set_column_null call in the same alter_table block on SQLite (jeremyevans) (#1498)
* Add Database#rename_enum to the pg_enum extension (AlexWayfer) (#1495)
* Make tactical_eager_loading plugin respect the :allow_eager association option (jeremyevans) (#1494)
* Add pg_auto_constraint_validations plugin, for automatically converting constraint violations to validation failures on PostgreSQL (jeremyevans)
* Don't make Model#_valid? public in the error_splitter plugin (jeremyevans)
* Support Database#indexes :include_partial option on PostgreSQL for including partial indexes (jeremyevans)
* Include more diagnostic information in Database#error_info on PostgreSQL (jeremyevans)
* Support Database#foreign_key_list :reverse option on PostgreSQL for parsing foreign key constraints that reference a given table (jeremyevans)
* Add Database#check_constraints on PostgreSQL for parsing CHECK constraints (jeremyevans)
* Don't use identity columns if :serial=>true or :type=>:serial|:bigserial column options are used (#1490) (jeremyevans)
* Cache Dataset#select_all datasets if no arguments are given (jeremyevans)
* Cache Dataset#returning datasets if no arguments are given (jeremyevans)
* Cache Dataset#qualify datasets if no argument is given (jeremyevans)
* Cache Dataset#lateral datasets (jeremyevans)
* Cache Dataset#from_self datasets if no options are given (jeremyevans)
* Cache Dataset#distinct datasets if no arguments or block is given (jeremyevans)
=== 5.7.0 (2018-04-01)
* Add Sequel.start_timer and .elapsed_seconds_since for more accurate elapsed time calculations on ruby 2.1+ (jeremyevans)
* Run Dataset#with_sql_{all,each,first,single_value} using a cached dataset to avoid clobbering the dataset's columns (jeremyevans)
* Add Database#convert_serial_to_identity on PostgreSQL 10.2+, which requires superuser access (jeremyevans)
* Fix Database#server_version when connecting to PostgreSQL 10.1+ in certain cases (jeremyevans)
* Free temporary clobs in the jdbc/oracle adapter to prevent a memory leak (jeremyevans) (#1482)
* Treat prepared statement errors due to changing types as disconnect errors in the postgres adapter (jeremyevans) (#1481)
* Add integer64 extension for treating Integer as a 64-bit integer when used as a generic type (jeremyevans)
* Allow many_to_pg_array remove_all_* method cast appropriately to work correctly for non-integer types (jeremyevans)
* Fix array_type for pg_array_to_many and many_to_pg_array associations in pg_array_associations plugin (jeremyevans)
* Use identity columns instead of serial columns for primary keys on PostgreSQL 10.2+ (jeremyevans)
* Support :identity option when creating columns on PostgreSQL 10+ to create identity columns (jeremyevans)
* Add Dataset#overriding_{system,user}_value on PostgreSQL for use with PostgreSQL 10+ identity columns (jeremyevans)
* Set :auto_increment schema entry correctly for PostgreSQL 10+ identity columns (jeremyevans)
=== 5.6.0 (2018-03-01)
* Dedup :db_type strings in schema hashes on Ruby 2.5+ (jeremyevans)
* Make schema_caching extension work with :callable_default schema values (jeremyevans)
* Freeze string valuse in hashes returned by Database#schema when using the schema_caching extension (jeremyevans)
* Protect migration file loading with a mutex to not break when multiple threads load migration files simultaneously (jeremyevans)
* Respect identifier mangling rules when renaming columns on Microsoft SQL Server (jeremyevans)
=== 5.5.0 (2018-01-31)
* Make Database#copy_table in the postgres adapter handle errors that occur while processing rows (jeremyevans) (#1470)
* Cache results of changed_columns method in local variables in many places for better performance (jeremyevans)
* Make modification_detection plugin not break column change detection for new objects (jeremyevans) (#1468)
* Make pg_range extension set :ruby_default schema value for recognized range defaults (jeremyevans)
* Make pg_interval extension set :ruby_default schema value for recognized interval defaults (jeremyevans)
* Make pg_json extension set :callable_default schema value for empty json/jsonb array/hash defaults (jeremyevans)
* Make pg_inet extension set :ruby_default schema value for recognized inet/cidr defaults (jeremyevans)
* Make pg_hstore extension set :callable_default schema value for empty hstore defaults (jeremyevans)
* Make pg_array extension set :callable_default schema value for recognized empty array defaults (jeremyevans) (#1466)
* Make defaults_setter plugin prefer :callable_default db_schema values over :ruby_default db_schema values (jeremyevans)
* Add defaults_setter plugin :cache option for caching default values returned (jeremyevans)
* Freeze string values in hashes returned by Database#schema (jeremyevans)
=== 5.4.0 (2018-01-04)
* Enable fractional seconds in timestamps on DB2 (jeremyevans) (#1463)
* Don't attempt to insert a second time if insert_select runs a query that doesn't return results, which can happen when triggers are used (jeremyevans)
* Make Dataset#insert_select on PostgreSQL and MSSQL return false instead of nil if the INSERT query is sent to the database but returns no rows (jeremyevans)
* Add index_caching extension for caching calls to Database#indexes (kenaniah, jeremyevans) (#1461)
* Allow Database#indexes on SQLite, MSSQL, SQLAnywhere, and DB2 to handle SQL::Identifier values (jeremyevans)
* Add pg_timestamptz extension for using timestamptz (timestamp with time zone) as the default timestamp type (jeremyevans)
* Support Sequel.date_{add,sub} :cast option for setting cast type in date_arithmetic extension (jeremyevans)
* Optimize Database#synchronize implementation on ruby 2.5+ (jeremyevans)
* Add class_table_inheritance plugin :ignore_subclass_columns option (brianphillips) (#1459)
* Make Dataset#to_xml in xml_serializer work with eager_graphed datasets (jeremyevans)
* Make Dataset#to_json in json_serializer work with eager_graphed datasets (jeremyevans)
* Cache Dataset#nullify dataset in the null_dataset extension (chanks) (#1456)
* Add datetime_parse_to_time extension, for parsing timestamp strings without offsets using DateTime.parse.to_time (jeremyevans) (#1455)
* Add WHERE NULL filter for Dataset#where calls with no existing filter, no argument, and where the virtual row block returns nil (jeremyevans)
=== 5.3.0 (2017-12-01)
* Add logger to Database instance before making first connection in bin/sequel (jeremyevans)
* Drop support for PostgreSQL <8.1 in Database#indexes (jeremyevans)
* Add synchronize_sql extension, for checking out a connection around SQL generation (KJTsanaktsidis, jeremyevans) (#1451)
* Deprecate Dataset#where calls with no existing filter, no argument, and where the virtual row block returns nil (jeremyevans) (#1454)
* Add DatasetModule#reverse for simpler use of descending orders (jeremyevans)
* Support WITH clauses in subqueries on SQLite, but not in UNION/INTERSECT/EXCEPT (jeremyevans)
* Hoist WITH clauses to INSERT statement level if INSERT subquery uses a CTE on MSSQL (jeremyevans)
* Respect indislive and ignore indcheckxmin index attributes when using Database#indexes on PostgreSQL (jeremyevans)
* Explicitly disallow use of server-side prepared statements when using Dataset#call in the jdbc/postgresql adapter (jeremyevans) (#1448)
* Support common table expressions, window functions, dropping CHECK constraints, and recognizing CURRENT_DATE defaults on MariaDB 10.2+ (jeremyevans)
* Make Database#reset_primary_key_sequence work on PostgreSQL 10+ (jeremyevans)
* Support :connect_sqls Database option for easily issuing sql commands on all new connections (jeremyevans)
* Support :extensions Database option for loading extensions when initializing, useful in connection strings (jeremyevans)
* Avoid warning if trying to rollback after a commit or rollback raises an exception in the postgres adapter (jeremyevans)
* Support Date::Infinity values in the pg_extended_date_support extension (jeremyevans)
=== 5.2.0 (2017-10-27)
* Fix type conversion for smallint unsigned and integer unsigned types on jdbc/mysql (jeremyevans) (#1443)
* Add pg_extended_date_support extension, for handling infinite and BC dates/timestamps (jeremyevans)
* Do not ignore existing @dataset instance variable when subclassing Sequel::Model (bjmllr) (#1435)
=== 5.1.0 (2017-10-01)
* Make jdbc/h2 and jdbc/hsqldb adapters respect :foreign_key_constraint_name option when adding new foreign key column (jeremyevans)
* Do not issue unnecessary query for macaddr type oid when loading the pg_inet extension (jeltz) (#1423)
* Make alter_table add_foreign_key with a column symbol reversible when using the :foreign_key_constraint_name option (jeremyevans) (#1422)
* Do not raise an error if calling Model.freeze on a frozen model (jeremyevans) (#1421)
* Make Database#copy_into in the jdbc/postgresql adapter handle multi-byte strings (ckoenig) (#1416)
* Remove deprecated Model use_after_commit_rollback class and instance methods (jeremyevans)
* Remove deprecated Model.allowed_columns method in the base model support (jeremyevans)
* Remove deprecated Model.plugin_module_defined? private method (jeremyevans)
* Remove deprecated support for Model#_before_validation private method (jeremyevans)
=== 5.0.0 (2017-09-01)
* Make bin/sequel -M option always use base 10 (jeremyevans)
* Don't use savepoints when creating indexes inside a transaction on databases that don't support transactional schema modifications (jeremyevans) (#1407)
* Support :if_not_exists option when creating indexes on PostgreSQL 9.5+ (DyegoCosta) (#1405)
* Make threaded connection pools not block while connections are being made (jeremyevans)
* SQL::Expression#clone and #dup now return self, since all expressions should be frozen value objects (jeremyevans)
* Don't create empty arrays for unused association callbacks (jeremyevans)
* Cache association method name symbols instead of recomputing them everytime (jeremyevans)
* Raise an exception if attempting to create a prepared statement using a dataset with a delayed evaluation (jeremyevans)
* Make ConnectionPool#size thread safe by using the pool mutex (jeremyevans)
* Use instance_exec instead of instance_eval when passing a block, to work with lambdas that accept no arguments (jeremyevans)
* Freeze SQL::StringAgg instances in string_agg extension (jeremyevans)
* Freeze SQL::DateAdd instances in date_arithmetic extension (jeremyevans)
* Freeze SQL::Expression.comparison_attrs (jeremyevans)
* Rename SQL::Subscript#f to #expression, keeping #f as an alias (jeremyevans)
* Require the :pool_class Database option be a class to use a custom connection pool (jeremyevans)
* Make the class_table_inheritance plugin raise an Error during update if any UPDATE query does not affect a single row (jeremyevans)
* Change most send calls to public_send unless calling private methods is expected (jeremyevans)
* Database schema and schema generator methods now return nil (jeremyevans)
* Model#validates_unique in the validation helpers plugin now defaults to only checking on new or modified values (jeremyevans)
* Deprecate Model#_before_validation (private_method), use Model#before_validation now (jeremyevans)
* Always run before/after/around validation hooks when saving, even when not validating the object (jeremyevans)
* Deprecate Model use_after_commit_rollback class and instance accessors (jeremyevans)
* Deprecate Model.allowed_columns reader (jeremyevans)
* Freeze internal constants that shouldn't be modified at runtime (jeremyevans)
* Attempt to connect to the database immediately when creating the Database instance (jeremyevans)
* Make association_pks plugin delay the setting of associated objects until the current object is saved by default (jeremyevans)
* Joined datasets used as model datasets are now automatically wrapped in a subquery (jeremyevans)
* Setting an invalid dataset for a model class now raises an exception by default (jeremyevans)
* Getting all values for newly created models now happens before calling after_create, instead of after (jeremyevans)
* Remove use of @was_new/@columns_updated instance variables when saving model objects (jeremyevans)
* Disable symbol splitting by default (jeremyevans)
* Make datasets frozen by default (jeremyevans)
* Drop support for ruby 1.8.7, minimum now is 1.9.2 (jeremyevans)
* Remove deprecated adapters, extensions, plugins, constants, and features (jeremyevans)
=== 4.49.0 (2017-08-01)
* Make dataset_associations plugin automatically alias tables when using many_through_many associations that join the same table multiple times (jeremyevans)
* Deprecate using a :pool_class Database that is not a class or a symbol for a supported pool class (jeremyevans)
* Deprecate :eager_loading_predicate_key association option and association reflection method (jeremyevans)
* Deprecate Model.serialized_columns in the serialization plugin (jeremyevans)
* Deprecate Model.cti_columns in the class_table_inheritance plugin (jeremyevans)
* Deprecate SQL::AliasedExpression#aliaz, use #alias instead (jeremyevans)
* Deprecate SQL::Function#f, use #name instead (jeremyevans)
* Deprecate treating cross join with conditions as inner join on MySQL (jeremyevans)
* Deprecate ConnectionPool#created_count, use #size instead (jeremyevans)
* Deprecate ConnectionPool::CONNECTION_POOL_MAP, use the :pool_class option to specify a non-default connection pool (jeremyevans)
* Deprecate Sequel::IBMDB::Connection#prepared_statements= in the ibmdb adapter (jeremyevans)
* Deprecate DEFAULT_OPTIONS in validation_helpers, override default_validation_helpers_options private method instead (jeremyevans)
* Deprecate model association before callbacks returning false to cancel the action (jeremyevans)
* Support native offset syntax on Oracle 12 (timon) (#1397)
* Deprecate Dataset#nullify! in the null_dataset extension (jeremyevans)
* Deprecate Dataset#autoid=, #_fetch=, and #numrows= in the mock adapter (jeremyevans)
* Deprecate loading plugins by requiring sequel_#{plugin} (jeremyevans)
* Add Model.sti_class_from_sti_key in the single_table_inheritance plugin to get the appropriate class to use (Aryk) (#1396)
* Make Sequel::Error#cause use #wrapped_exception if it exists on ruby 2.1+ (jeremyevans)
* Make Dataset#where_all, #where_each, #where_single_value core dataset methods instead of just model dataset methods (jeremyevans)
* Make Database#extend_datasets and Dataset#with_extend now use a Dataset::DatasetModule instance if given a block (jeremyevans)
* Add Sequel::Dataset::DatasetModule, now a superclass of Sequel::Model::DatasetModule (jeremyevans)
* Make composition plugin with :mapping option work correctly if Model#get_column_value is overridden (jeremyevans)
* Support Dataset#paged_each :stream => false option on mysql2 to disable streaming (Aryk) (#1395)
* Make datetimeoffset handling in the jdbc/sqlserver adapter work on more drivers (jeremyevans)
* Make alter_table add_primary_key work correctly on H2 1.4+ (jeremyevans)
* Support :sslrootcert Database option in the postgres adapter (dleavitt) (#1391)
=== 4.48.0 (2017-07-01)
* Deprecate Model.<< (jeremyevans)
* Deprecate Dataset#{and,exclude_where,range,interval}, move to sequel_4_dataset_methods extension (jeremyevans)
* Make Database#indexes not include partial indexes on SQLite 3.8.8+ (jeremyevans)
* Make Database#indexes include indexes created automatically from unique constraints on SQLite 3.8.8+ (jeremyevans)
* Deprecate Sequel::Postgres::PG_TYPES, conversion procs should not be registered per-Database (jeremyevans)
* Add Database#add_conversion_proc method on PostgreSQL for registering conversion procs (jeremyevans)
* Deprecate unexpected values passed to Dataset#insert_conflict on SQLite (jeremyevans)
* Deprecate Sequel::SqlAnywhere::Dataset#convert_smallint_to_bool= method (jeremyevans)
* Deprecate Sequel::SqlAnywhere.convert_smallint_to_bool accessor (jeremyevans)
* Use savepoints around index creation if creating table inside transaction if ignore_index_errors is used (jeremyevans)
* Deprecate treating :natrual_inner join type on MySQL as NATURAL LEFT JOIN (jeremyevans)
* Deprecate Dataset#mssql_unicode_strings= on Microsoft SQL Server (jeremyevans)
* Preserve encoding when parsing PostgreSQL arrays (jeltz) (#1387)
* Deprecate external modification of Sequel::JDBC::TypeConvertor (jeremyevans)
* Deprecate Sequel::DB2.use_clob_as_blob accessor (jeremyevans)
* Add Database#use_clob_as_blob accessor on DB2 (jeremyevans)
* Deprecate SEQUEL_POSTGRES_USES_PG constant (jeremyevans)
* Do not swallow original exception if exception is raised inside Database#copy_table on PostgreSQL (jeremyevans)
* Deprecate Sequel::Postgres.client_min_messages and force_standard_strings accessors (jeremyevans)
* Deprecate Sequel::Postgres.use_iso_date_format accessor (jeremyevans)
* Do not allow connection in postgres adapter if postgres-pr driver is used and force_standard_strings is false (jeremyevans)
* Drop support for ancient postgres driver in postgres adapter, now only pg and postgres-pr drivers are supported (jeremyevans)
* Deprecate Sequel::MySQL.convert_invalid_date_time accessor (jeremyevans)
* Deprecate Sequel::MySQL.convert_tinyint_to_bool accessor (jeremyevans)
* Deprecate Sequel::MySQL.default_{charset,collate,engine} accessors (jeremyevans)
* Add Database#default_{charset,collate,engine} accessors on MySQL (jeremyevans)
* Make mock adapter thread safe (jeremyevans)
* Deprecate Sequel::JDBC::Dataset#convert_types accessor (jeremyevans)
* Add Dataset#with_convert_types in jdbc adapter (jeremyevans)
* Deprecate Sequel::IBMDB::Dataset#convert_smallint_to_bool= method (jeremyevans)
* Deprecate Sequel::IBMDB.convert_smallint_to_bool accessor (jeremyevans)
* Add Database#convert_smallint_to_bool accessor in the ibmdb adapter (jeremyevans)
* Deprecate sequel_3_dataset_methods extension (jeremyevans)
* Deprecate query_literals extension (jeremyevans)
* Deprecate using subtype conversion procs added after registering composite type in the pg_row extension (jeremyevans)
* Don't try canceling copy in Database#copy_into if copier is not created yet (aakashAu) (#1384)
* Deprecate global conversion procs added by pg_* extensions, when extension isn't loaded into Database instance (jeremyevans)
* Deprecate Sequel::Postgres::PGRange.register in the pg_range extension (jeremyevans)
* Deprecate Sequel::Postgres::PGArray.register in the pg_array extension (jeremyevans)
* Deprecate Database#copy_conversion_procs (private method) on PostgreSQL (jeremyevans)
* Deprecate Database#reset_conversion_procs on PostgreSQL (jeremyevans)
* Deprecate meta_def extension (jeremyevans)
* Make class_table_inheritance plugin with :alias option not use subquery for datasets that don't join (jeremyevans)
* Deprecate hash_aliases extension (jeremyevans)
* Deprecate filter_having extension (jeremyevans)
* Deprecate empty_array_ignore_nulls extension (jeremyevans)
* Deprecate Array#sql_array in the core_extensions extension (jeremyevans)
* Make validation_helpers plugin :allow_blank option work correctly when the blank extension is not loaded (jeremyevans)
* Make validation_class_methods plugin no longer require the blank extension (jeremyevans)
* Clear cached associations when touching associations in the touch plugin (jeremyevans)
* Make pg_array_associations model plugin load pg_array extension into database (jeremyevans)
* Remove support for :strict option in nested_attributes plugin, use :unmatched_pk option instead (jeremyevans)
* Make to_json class/dataset method in json_serializer plugin accept :instance_block option to pass block to Model#to_json (jeremyevans)
* Make to_json methods in json_serializer plugin accept blocks that are used to transform values before serializing to JSON (jeremyevans)
* Make Sequel.object_to_json pass block to #to_json (jeremyevans)
* Deprecate identifier_columns plugin, not needed with Sequel.split_symbols = false (jeremyevans)
* Make reloading column_conflicts plugin not remove existing conflict markings (jeremyevans)
* Deprecate cti_base_model, cti_key, and cti_model_map class methods in class_table_inheritance plugin (jeremyevans)
* Make Model.skip_auto_validations(:not_null) in the auto_validations plugin skip not null checks for columns with default values (jeremyevans)
* Make Database#copy_into in jdbc/postgresql adapter respect :server option (jeremyevans)
* Make #to_hash and #to_hash_groups handle options in the static_cache plugin, and add rename #to_hash to #as_hash (jeremyevans)
* Rename Dataset#to_hash to #as_hash, and add #to_hash as an alias, to allow undefing #to_hash to fix ruby calling it implicitly (jeremyevans) (#1375)
* Handle PG* constants deprecated in pg 0.21.0 in the postgres adapter (jeremyevans) (#1377, #1378)
* Support :association_pks_use_associated_table association option in association_pks plugin (jeremyevans)
* Make pg_hstore extension reset hstore conversion proc when running Database#reset_conversion_procs (jeremyevans)
* Fix incorrect SQL used for inserting into a CTI subclass sharing the primary table when using the :alias option (jeremyevans)
=== 4.47.0 (2017-06-01)
* Deprecate pg_typecast_on_load plugin, only useful on deprecated do and swift adapters (jeremyevans)
* Deprecate association_autoreloading and many_to_one_pk_lookup plugins, which were made the default model behavior in Sequel 4 (jeremyevans)
* Deprecate setting invalid datasets for models unless required_valid_table = false (jeremyevans)
* Make Model.require_valid_table = true not raise for datasets where Database#schema raises an error but Dataset#columns works (jeremyevans)
* Make Database#with_server in the server_block extension accept a second argument for a different read_only shard (jeremyevans) (#1355)
* Make schema_dumper extension handle Oracle 11g XE inclusion of not null in the db_type (StevenCregan, jeremyevans) (#1351)
* Add Model.default_association_type_options for changing default association options per association type (jeremyevans)
* Add :materialized option to Database#views on PostgreSQL to return materialized views (Blargel) (#1348)
* Make defaults_setter plugin inherit custom default values when subclassing (jeremyevans)
=== 4.46.0 (2017-05-01)
* Recognize additional disconnect error on MySQL (jeremyevans)
* Deconstantize dataset SQL generation, speeding up ruby 2.3+, slowing down earlier versions (jeremyevans)
* Deprecate calling Dataset#set_graph_aliases before Dataset#graph (jeremyevans)
* Don't swallow exception if there is an exception when rolling back a transaction when using :rollback=>:always option (jeremyevans)
* Deprecate passing 2 arguments to Database#alter_table (jeremyevans)
* Deprecate passing Schema::CreateTableGenerator instance as second argument to Database#create_table (jeremyevans)
* Deprecate Database::DatasetClass as a way for getting default dataset classes for datasets (jeremyevans)
* Deprecate SQLite pragma getting and setting methods (jeremyevans)
* Remove handling of EMULATED_FUNCTION_MAP from adapter dataset classes, overide Dataset#native_function_name instead (jeremyevans)
* Deprecate {Integer,Timestamp}Migrator::DEFAULT_SCHEMA_{COLUMN,TABLE} (jeremyevans)
* Deprecate Database#jdbc_* methods for jdbc/db2 adapter Database instances (jeremyevans)
* Remove addition of Database#jdbc_* to JDBC::Database in jdbc/db2 adapter (jeremyevans)
* Deprecate many internal Database and Dataset string/regexp constants in core and included adapters (jeremyevans)
* Remove use of Fixnum in sqlanywhere shared adapter (jeremyevans)
* Deprecate Sequel::Schema::Generator constant, use Sequel::Schema::CreateTableGenerator instead (jeremyevans)
* Deprecate Database#log_yield (jeremyevans)
* Deprecate the set_overrides extension (jeremyevans)
* If passing an empty array or hash and a block to a filtering method, ignore the array or hash and just use the block (jeremyevans)
* Deprecate ignoring explicit nil argument when there is no existing filter (jeremyevans)
* Deprecate ignoring explicit nil argument to filtering methods when passing a block (jeremyevans)
* Deprecate ignoring empty strings and other empty? arguments passed to the filtering methods without a block (jeremyevans)
* Deprecate calling filtering methods without an argument or a block (jeremyevans)
* Deprecate Sequel::VirtualRow#` to create literal SQL, use Sequel.lit instead (jeremyevans)
* Add auto_literal_strings extensions for treating plain strings passed to filtering/update methods as literal SQL (jeremyevans)
* Deprecate automatically treating plain strings passed to filtering/update methods as literal SQL (jeremyevans)
* Passing a PlaceholderLiteralString to a filtering method now uses parentheses around the expression (jeremyevans)
* Make Dataset#full_text_search work on Microsoft SQL Server when no_auto_literal_strings extension is used (jeremyevans)
* Fix Database#disconnect when using the single connection pool without an active connection (jeremyevans) (#1339)
* Handle conversion of datetimeoffset values when using the jdbc/sqlserver adapter in some configurations (iaddict, jeremyevans) (#1338)
* Fix conversion of some time values when using the jdbc/sqlserver adapter in some configurations (iaddict, jeremyevans) (#1337)
* Use microsecond precision for time values on Microsoft SQL Server, instead of millisecond precision (jeremyevans)
* Add Dataset#sqltime_precision private method for adapters to use different precision for Sequel::SQLTime than Time and Date (jeremyevans)
* Use utc timezone in Sequel::SQLTime.create if Sequel.application_timezone is :utc (jeremyevans) (#1336)
* Include migration filename in message about migration file without a single migration (jmettraux) (#1334)
* Deprecate conversion of - to _ in adapter schemes (jeremyevans)
* Don't quote function names that are SQL::Identifiers, unless SQL::Function#quoted is used (jeremyevans)
* Deprecate splitting virtual row method names (jeremyevans)
* Deprecate passing blocks to virtual row methods, move to virtual_row_method_block extension (jeremyevans)
* Deprecate Sequel::SQL::Expression#sql_literal and #lit (jeremyevans)
* Don't issue deprecation warnings on ruby 1.8.7, as Sequel 5 is dropping support for it (jeremyevans)
* Deprecate Sequel::BasicObject#remove_methods! (jeremyevans)
* Deprecate sequel/no_core_ext file (jeremyevans)
* Deprecate model dataset #insert_sql accepting model instances (jeremyevans)
* Deprecate model dataset #join_table and #graph accepting model classes (jeremyevans)
* Support :alias option to class_table_inheritance plugin, wrapping subclass datasets in a subquery to fix ambiguous column issues (jeremyevans)
* Deprecate Model.set_allowed_columns and Model#{set_all,set_only,update_all,update_only}, move to whitelist security plugin (jeremyevans)
* Do not raise MassAssignmentRestriction when setting nested attributes and using the :fields option, only check for fields given (jeremyevans)
* Do not add class methods for private methods definined in dataset_module (jeremyevans)
* Deprecate Model.def_dataset_method and Model.subset, move to def_dataset_method plugin (jeremyevans)
* Deprecate Model.finder and Model.prepared_finder, move to finder plugin (jeremyevans)
* Deprecate calling Model.db= on a model with a dataset (jeremyevans)
* Deprecate splitting symbols to look for qualified/aliased identifiers (e.g. :table__column) (jeremyevans)