Only call save on belongs_to associations if the record has changed or any nested associations have changed (resolves #3353)
Signed-off-by: José Valim <jose.valim@gmail.com>
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@ -363,7 +363,7 @@ module ActiveRecord
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if autosave && association.marked_for_destruction?
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association.destroy
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elsif autosave != false
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saved = association.save(:validate => !autosave) if association.new_record? || autosave
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saved = association.save(:validate => !autosave) if association.new_record? || (autosave && association.changed_for_autosave?)
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if association.updated?
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association_id = association.send(reflection.options[:primary_key] || :id)
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@ -667,10 +667,21 @@ class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
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end
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end
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@ship.pirate.catchphrase = "Changed Catchphrase"
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assert_raise(RuntimeError) { assert !@ship.save }
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assert_not_nil @ship.reload.pirate
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end
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def test_should_save_changed_child_objects_if_parent_is_saved
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@pirate = @ship.create_pirate(:catchphrase => "Don' botharrr talkin' like one, savvy?")
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@parrot = @pirate.parrots.create!(:name => 'Posideons Killer')
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@parrot.name = "NewName"
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@ship.save
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assert_equal 'NewName', @parrot.reload.name
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end
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# has_many & has_and_belongs_to
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%w{ parrots birds }.each do |association_name|
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define_method("test_should_destroy_#{association_name}_as_part_of_the_save_transaction_if_they_were_marked_for_destroyal") do
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