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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4.0.1 / 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. 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 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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Added Arel::Crud#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 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
`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
`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
`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
replacement.
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Arel::Table#columns is deprecated and will be removed in 3.0.0 with no
replacement.
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Arel::Table.table_cache is deprecated and will be removed in 3.0.0 with no
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
replacement.
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Arel::SelectManager#where_clauses is deprecated and will be removed in
3.0.0 with no replacement.
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Arel::SelectManager#wheres is deprecated and will be removed in
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 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 literals. Fixes Rails LH #6384 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 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
2.0.0 / 2010-08-01¶ ↑
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Enhancements
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Recreate library using the Visitor pattern. 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¶ ↑
* Ruby 1.9 compatibility * Many improvements to support the Arel integration into Active Record (see `git log v0.1.0..v0.2.0`) * Thanks to Emilio Tagua and Pratik Naik for many significant contributions!
0.1.0 / 2009-08-06¶ ↑
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1 major enhancement
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Birthday!
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