diff options
Diffstat (limited to 'activerecord/CHANGELOG')
| -rw-r--r-- | activerecord/CHANGELOG | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG index 95544950e9..9114f70ea1 100644 --- a/activerecord/CHANGELOG +++ b/activerecord/CHANGELOG @@ -1,5 +1,16 @@ *SVN* +* Added smarter table aliasing for eager associations for multiple self joins #3580 [Rick Olson] + + * The first time a table is referenced in a join, no alias is used. + * After that, the parent table name and the reflection name are used. + + Tree.find(:all, :include => :children) # LEFT OUTER JOIN trees AS tress_children ... + + * Any additional join references get a numerical suffix like '_2', '_3', etc. + +* Fixed eager loading problems with single-table inheritance #3580 [Rick Olson]. Post.find(:all, :include => :special_comments) now returns all posts, and any special comments that the posts may have. And made STI work with has_many :through and polymorphic belongs_to. + * Added cascading eager loading that allows for queries like Author.find(:all, :include=> { :posts=> :comments }), which will fetch all authors, their posts, and the comments belonging to those posts in a single query (using LEFT OUTER JOIN) #3913 [anna@wota.jp]. Examples: # cascaded in two levels |