class inheritable attributes is used no more! all internal use of class inheritable has been changed to class_attribute. class inheritable attributes has been deprecated.
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

(default is nil meaning unlimited but Oracle imposes a limit of 1000)
Limit is used to make multiple queries when preloading associated has_many or habtm records

When use where more than once on the same column, relation doesn't do an 'or' or 'in' with the values

Fix bug with 0bb85ed9 which missed out a fixtures declaration in cascaded_eager_loading_test.rb

reloading an association will properly set attributes of instantiated objects. Thanks Brian Palmer [#5802 state:resolved]

[#5978 state:committed]

if association is already loaded and if a find operation is performed on the already loaded association list with an empty hash then do not perform another sql

[#5972 state:resolved]

Fix bug where size of through association is not correct after adding a has_many association (occurs only before main object has been reloaded).

[#5968 state:committed]
Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

Fixed bug in active_record/nested_attributes where an empty string id caused an ActiveRecord::RecordNotFound error. Found by [Ben Tillman]

[#5638 state:committed]
Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

- persisted? is the API defined in ActiveModel
- makes it easier for extension libraries to conform to ActiveModel APIs
  without concern for whether the extended object is specifically
  ActiveRecord

[#5927 state:committed]
Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

use column names as order by complex function parameters, fix for postgresql adapter to correctly remove ASC/DESC
Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

Fixes queries using limits and punctuation in order, removes order("col1, col2") usage in favor of order(["col1", "col2"})

[#4597 state:committed]