Change belongs_to so that the foreign_key assumption is taken from the association name, not the class name.  Closes #8992 [hasmanyjosh]

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Ensure that associations with :dependent => :delete_all respect :conditions option.  Closes #8034 [danger, joshpeek, Rick]

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Update documentation for :dependent declaration so that it explicitly uses the non-deprecated API. Closes #8069. [danger]

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Remove useless code in #attribute_present? since 0 != blank?.  Closes #7249 [Josh Susser]. Fix minor doc typos. Closes #7157 [Josh Susser]

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Fix incorrect usage of #classify when creating the eager loading join statement.  Closes #7044 [Josh Susser]

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[DOC] clear up some ambiguity with the way has_and_belongs_to_many creates the default join table name.  #7072 [jeremymcanally]

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fix faulty inheritance tests and that eager loading grabs the wrong inheritance column when the class of your association is an STI subclass. Closes #6859 [protocool]

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find supports :lock with :include. Check whether your database allows SELECT ... FOR UPDATE with outer joins before using. Closes #6764.

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Fix has_many :through to add the appropriate conditions when going through an association using STI. Closes #5783. [Jonathan Viney]  (sorry, forgot to commit the actual files)

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automatically add primary key to #select_limited_ids_list order by clause for databases that require order columns in the distinct statements (postgresql) [Rick]

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Reverted old select_limited_ids_list postgresql fix that caused issues in mysql.  Closes #5851 [Rick]

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Removes the ability for eager loaded conditions to be interpolated, since there is no model instance to use as a context for interpolation. #5553 [turnip@turnipspatch.com]

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Association collections have an _ids reader method to match the existing writer for collection_select convenience (e.g. employee.task_ids). The writer method skips blank ids so you can safely do @employee.task_ids = params[:tasks] without checking every time for an empty list or blank values.  References #1887, Closes #5780.

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Deprecation tests. Remove warnings for dynamic finders and for the foo_count ethod if it's also an attribute.

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