327 lines
7.5 KiB
Text
327 lines
7.5 KiB
Text
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=== 8.0.0 / 2017-02-21
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* Enhancements
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* Remove deprecated type casting support in Arel
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* Frozen all string literals in Arel
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=== 7.1.1 / 2016-07-27
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* Bug Fixes
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* Fix warning in `Casted#hash`
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=== 7.1.0 / 2016-07-19
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* Enhancements
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* Support Ruby 2.4 unified Integer class
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* Implement `CASE` conditional expression
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* Support for Bitwise Operations as `InfixOperations`
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=== 7.0.0 / 2015-12-17
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* Enhancements
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* Remove deprecated method `Table#primary_key`
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* Remove engine from the constructor arguments `Arel::Table`
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* Deprecate automatic type casting within Arel
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=== 6.0.0 / 2014-11-25
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* Enhancements
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* Remove deprecated `Arel::Expression`
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* Remove deprecated `Arel::SqlLiteral`
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* Remove deprecated `SelectManager#joins`
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* Remove deprecated `SelectManager#to_a`
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* Remove deprecated `Arel::Sql::Engine`
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* Remove deprecated `Arel::InnerJoin` constant
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* Remove deprecated `Arel::OuterJoin` constant
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== 5.0.0 / 2013-12-04
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* Enhancements
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* Remove deprecated code
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* Bug Fixes
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* Fix serializing a relation when calling `to_yaml`
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=== 4.0.2 / 2014-02-05
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* Bug Fixes
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* Fix `SqlLiteral` YAML serialization
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* PostgreSQL bugfix for invalid SQL in subqueries
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== 4.0.1 / 2013-10-22
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* Enhancements
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* Cache visitor dispatch on a per-visitor basis
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* Improve performance of #uniq across a large number of nodes
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* Bug Fixes
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* Make visitors threadsafe by removing @last_column
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* Support `columns_for_distinct` with Oracle adapter
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== 3.0.3 / 2013-11-12
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* Enhancements
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* Support ANSI 2003 window functions
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* Bug Fixes
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* Fix joins in Informix
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== 3.0.2 / 2012-02-21
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* Enhancements
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* Added a module for visiting and transforming bind values
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* Fix in [] to be false, not in [] to be true
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* Bug Fixes
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* Revert fix for LIMIT / OFFSET when query is ordered in Oracle
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== 3.0.1 / 2012-02-17
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* Bug Fixes
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* Fixed LIMIT / OFFSET when query is ordered in Oracle
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== 3.0.0 / 2012-01-12
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* Enhancements
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* Support connection pool and schema cache
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* Bug Fixes
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* Conditions with no column can be followed by other conditions in Postgres
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== 2.2.3 / 2012-02-21
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* Enhancements
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* Added a module for visiting and transforming bind values
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== 2.2.2 / 2012-02-20
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* Enhancements
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* Support LOCK
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* Allow using non-table alias as a right-hand relation name
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* Added SelectManager#distinct
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== 2.2.1 / 2011-09-15
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* Enhancements
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* Added UpdateManager#key to access the key value
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* Added SelectManager#projections= to override any existing projections
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* Added SelectManager#source to get the source of the last select core in the AST
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== 2.2.0 / 2011-08-09
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* Bug Fixes
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* The database connection caches visitors for generating SQL.
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* FALSE and TRUE nodes can be constructed.
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* Fixed ORDER BY / LIMIT clauses for UPDATE statements in Oracle.
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== 2.1.4 / 2011-07-25
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* Bug Fixes
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* Fix depth-first traversal to understand ascending / descending nodes.
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* Parenthesis are suppressed with nested unions in MySQL. Thanks jhtwong!
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== 2.1.3 / 2011-06-27
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* Bug Fixes
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* Fixed broken gem build.
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== 2.1.2 / 2011-06-27
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* Bug Fixes
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* Visitors can define their own cache strategy so caches are not shared.
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Fixes #57
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* Informix support fixed. Thanks Khronos.
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* Ordering nodes broken to subclasses. Thanks Ernie Miller!
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* Reversal supported in ordering nodes. Thanks Ernie Miller!
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== 2.1.1 / 2011/05/14
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* Bug fixes
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* Fixed thread safety bug in ToSql visitor. Thanks Damon McCormick and
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Cameron Walters!
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== 2.1.0 / 2011/04/30
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* Enhancements
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* AST is now Enumerable
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* AND nodes are now n-ary nodes
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* SQL Literals may be used as Attribute names
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* Added Arel::Nodes::NamedFunction for representing generic SQL functions
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* Add Arel::SelectManager#limit=
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* Add Arel::SelectManager#offset
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* Add Arel::SelectManager#offset=
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* Added Arel::SelectManager#create_insert for building an insert manager.
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* SQL Literals are allowed for values in INSERT statements.
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* Math operations have been added to attributes, thanks to
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Vladimir Meremyanin.
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* Bug fixes
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* MSSQL adds TOP to sub selects
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* Assigning nil to take() removes LIMIT from statement.
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* Assigning nil to offset() removes OFFSET from statement.
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* TableAlias leg ordering fixed
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* Deprecations
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* Calls to `insert` are deprecated. Please use `compile_insert` then call
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`to_sql` on the resulting object and execute that SQL.
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* Calls to `update` are deprecated. Please use `compile_update` then call
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`to_sql` on the resulting object and execute that SQL.
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* Calls to `delete` are deprecated. Please use `compile_delete` then call
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`to_sql` on the resulting object and execute that SQL.
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* Arel::Table#joins is deprecated and will be removed in 3.0.0 with no
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replacement.
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* Arel::Table#columns is deprecated and will be removed in 3.0.0 with no
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replacement.
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* Arel::Table.table_cache is deprecated and will be removed in 3.0.0 with no
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replacement.
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* Arel::Nodes::And.new takes a single list instead of left and right.
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* Arel::Table#primary_key is deprecated and will be removed in 3.0.0 with no
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replacement.
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* Arel::SelectManager#where_clauses is deprecated and will be removed in
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3.0.0 with no replacement.
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* Arel::SelectManager#wheres is deprecated and will be removed in
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3.0.0 with no replacement.
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== 2.0.9 / 2010/02/25
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* Bug Fixes
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* Custom LOCK strings are allowed. Fixes LH # 6399
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https://rails.lighthouseapp.com/projects/8994/tickets/6399-allow-database-specific-locking-clauses-to-be-used
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* Strings passed to StringManager#on will be automatically tagged as SQL
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literals. Fixes Rails LH #6384
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https://rails.lighthouseapp.com/projects/8994/tickets/6384-activerecord-303-and-3-0-stable-generate-invalid-sql-for-has_many-through-association-with-conditions
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== 2.0.8 / 2010/02/08
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* Bug Fixes
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* Added set operation support
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* Fixed problems with *_any / *_all methods.
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== 2.0.7
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* Bug Fixes
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* Limit members are visited
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* Fixing MSSQL TOP support
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== 2.0.6 12/01/2010
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* Bug Fixes
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* Rails 3.0.x does not like that Node is Enumerable, so removing for now.
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== 2.0.5 11/30/2010
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* Enhancements
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* Arel::Visitors::DepthFirst can walk your AST depth first
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* Arel::Nodes::Node is enumerable, depth first
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* Bug fixes
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* #lock will lock SELECT statements "FOR UPDATE" on mysql
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* Nodes::Node#not factory method added for creating Nodes::Not nodes
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* Added an As node
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* Deprecations
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* Support for Subclasses of core classes will be removed in Arel version
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2.2.0
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== 2.0.4
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* Bug fixes
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* Speed improvements for Range queries. Thanks Rolf Timmermans!
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== 2.0.3
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* Bug fixes
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* Fixing Oracle support
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* Added a visitor for "Class" objects
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== 2.0.2
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* Bug fixes
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* MySQL selects from DUAL on empty FROM
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* Visitor translates nil to NULL
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* Visitor translates Bignum properly
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== 2.0.1
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* Bug fixes
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== 2.0.0 / 2010-08-01
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* Enhancements
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* Recreate library using the Visitor pattern.
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http://en.wikipedia.org/wiki/Visitor_pattern
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== 0.3.0 / 2010-03-10
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* Enhancements
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* Introduced "SQL compilers" for query generation.
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* Added support for Oracle (Raimonds Simanovskis) and IBM/DB (Praveen Devarao).
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* Improvements to give better support to Active Record.
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== 0.2.1 / 2010-02-05
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* Enhancements
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* Bump dependency version of activesupport to 3.0.0.beta
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== 0.2.0 / 2010-01-31
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* Ruby 1.9 compatibility
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* Many improvements to support the Arel integration into Active Record (see `git log v0.1.0..v0.2.0`)
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* Thanks to Emilio Tagua and Pratik Naik for many significant contributions!
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== 0.1.0 / 2009-08-06
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* 1 major enhancement
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* Birthday!
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