2.2.1 / 2011-09-15
- Enhancements
- Added UpdateManager#key to access the key value
- Added SelectManager#projections= to override any existing projections
- Added SelectManager#source to get the source of the last select core in the
AST
2.2.0 / 2011-08-09
- Bug Fixes
- The database connection caches visitors for generating SQL.
- FALSE and TRUE nodes can be constructed.
- Fixed ORDER BY / LIMIT clauses for UPDATE statements in Oracle.
2.1.4 / 2011-07-25
- Bug Fixes
- Fix depth-first traversal to understand ascending / descending nodes.
- Parentheis are suppressed with nested unions in MySQL. Thanks jhtwong!
2.1.3 / 2011-06-27
2.1.2 / 2011-06-27
- Bug Fixes
- Visitors can define their own cache strategey so caches are not shared.
Fixes 57
- Informix support fixed. Thanks Khronos.
- Ordering nodes broken to subclasses. Thanks Ernie Miller!
- Reversal supported in ordering nodes. Thanks Ernie Miller!
2.1.1 / 2011/05/14
- Bug fixes
- Fixed thread safety bug in ToSql visitor. Thanks Damon McCormick and
Cameron Walters!
2.1.0 / 2011/04/30
- Enhancements
- AST is now Enumerable
- AND nodes are now n-ary nodes
- SQL Literals may be used as Attribute names
- Added Arel::Nodes::NamedFunction
for representing generic SQL functions
- Add Arel::SelectManager#limit=
- Add Arel::SelectManager#offset
- Add Arel::SelectManager#offset=
- Added Arel::SelectManager#create_insert for building an insert manager.
- SQL Literals are allowed for values in INSERT statements.
- Math operations have been added to attributes, thanks to Vladimir
Meremyanin.
- Bug fixes
- MSSQL adds TOP to sub selects
- Assigning nil to take() removes LIMIT from statement.
- Assigning nil to offset() removes OFFSET from statement.
- TableAlias leg ordering fixed
- Deprecations
- Calls to `insert` are deprecated. Please use `compile_insert` then call
`to_sql` on the resulting object and execute that SQL.
- Calls to `update` are deprecated. Please use `compile_update` then call
`to_sql` on the resulting object and execute that SQL.
- Calls to `delete` are deprecated. Please use `compile_delete` then call
`to_sql` on the resulting object and execute that SQL.
- Arel::Table#joins is deprecated and will be removed in 3.0.0 with no
replacement.
- Arel::Table#columns is deprecated and will be removed in 3.0.0 with no
replacement.
- Arel::Table.table_cache is deprecated and will be removed in 3.0.0 with no
replacement.
- Arel::Nodes::And.new takes a single list instead of left and right.
- Arel::Table#primary_key is deprecated and will be removed in 3.0.0 with no
replacement.
- Arel::SelectManager#where_clauses is deprecated and will be removed in
3.0.0 with no replacement.
- Arel::SelectManager#wheres is deprecated and will be removed in
3.0.0 with no replacement.
2.0.9 / 2010/02/25
2.0.8 / 2010/02/08
- Bug Fixes
- Added set operation support
- Fixed problems with *_any / *_all methods.
2.0.7
- Bug Fixes
- Limit members are visited
- Fixing MSSQL TOP support
2.0.6 12/01/2010
- Bug Fixes
- Rails 3.0.x does not like that Node is Enumerable, so removing for now.
2.0.5 11/30/2010
- Enhancements
- Bug fixes
- lock will lock SELECT statements "FOR UPDATE" on mysql
- Nodes::Node#not factory method added for creating Nodes::Not nodes
- Added an As node
- Deprecations
- Support for Subclasses of core classes will be removed in ARel version
2.2.0
2.0.4
- Bug fixes
- Speed improvements for Range queries. Thanks Rolf Timmermans!
2.0.3
- Bug fixes
- Fixing Oracle support
- Added a visitor for "Class" objects
2.0.2
- Bug fixes
- MySQL selects from DUAL on empty FROM
- Visitor translates nil to NULL
- Visitor translates Bignum properly
2.0.1
2.0.0 / 2010-08-01
0.3.0 / 2010-03-10
- Enhancements
- Introduced "SQL compilers" for query generation.
- Added support for Oracle (Raimonds Simanovskis) and IBM/DB (Praveen
Devarao).
- Improvements to give better support to ActiveRecord.
0.2.1 / 2010-02-05
- Enhancements
- Bump dependency version of activesupport to 3.0.0.beta
0.2.0 / 2010-01-31
* Ruby 1.9 compatibility
* Many improvements to support the Arel integration into ActiveRecord (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