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there is no foreign key present. And the loaded flag should be set on the association proxy. This then allows us to remove the foreign_key_present? check from BelongsToAssociation#find_target. Also added a test for the same thing on polymorphic associations.
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state:resolved]
This required changing the code to keep the association proxy for a belongs_to around, despite its target being nil. Which in turn required various changes to the way that stale target checking is handled, in order to support various edge cases (loaded target is nil then foreign key added, foreign key is changed and then changed back, etc). A side effect is that the code is nicer and more succinct.
Note that I am removing test_no_unexpected_aliasing since that is basically checking that the proxy for a belongs_to *does* change, which is the exact opposite of the intention of this commit. Also adding various tests for various edge cases and related things.
Phew, long commit message!
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options key which it relates to is :foreign_key
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inherit from it
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other things
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belongs_to changes, then the has_many should be considered stale.
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changes. Rather than resetting each affected association when the foreign key changes, we should lazily check for 'staleness' (where fk does not match target id) when the association is accessed.
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- 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: Santiago Pastorino <santiago@wyeworks.com>
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etc with just a single scope hash (created on initialization of the proxy). This is now used consistently across all associations. Therefore, all you have to do to ensure finding/counting etc is done correctly is implement the scope correctly.
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belongs_to association
[#2786 state:committed]
Signed-off-by: Santiago Pastorino <santiago@wyeworks.com>
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[#765 state:committed]
Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>
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You can now add an :inverse_of option to has_one, has_many and belongs_to associations. This is best described with an example:
class Man < ActiveRecord::Base
has_one :face, :inverse_of => :man
end
class Face < ActiveRecord::Base
belongs_to :man, :inverse_of => :face
end
m = Man.first
f = m.face
Without :inverse_of m and f.man would be different instances of the same object (f.man being pulled from the database again). With these new :inverse_of options m and f.man are the same in memory instance.
Currently :inverse_of supports has_one and has_many (but not the :through variants) associations. It also supplies inverse support for belongs_to associations where the inverse is a has_one and it's not a polymorphic.
Signed-off-by: Murray Steele <muz@h-lame.com>
Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>
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and modify the code base to use those methods instead of creating association objects directly. This allows plugins to hook into association object creation behavior.
[#986 state:resolved]
Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>
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Signed-off-by: Joshua Peek <josh@joshpeek.com>
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on belongs_to.
Signed-off-by: Michael Koziarski <michael@koziarski.com>
[#241 state:resolved]
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association cannot be saved. Closes #11084.
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8864 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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#10804 [jeanmartin]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8735 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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existing models that did boolean calls on "new" attributes [DHH]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5018 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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ActiveRecord::Base.new? (old version still works until Rails 2.0) [DHH]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5017 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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closes #4144
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3897 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3828 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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for the patch!
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3762 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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for polymorphic associations [DHH] Refactored associations to use reflections to get DRYer, beware, major refactoring -- double check before deploying anything with this (all tests pass, but..)
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3213 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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associations
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3209 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2898 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2562 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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properly #2042 [Florian Weber]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2279 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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the same object #2023 [Tobias Luetke]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2278 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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has_and_belongs_to_many collections #1764 [Tobias Luetke]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1894 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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out of deprecation as they work when the association is nil unlike association.build and association.create, which require the association to be already in place #864
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1146 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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project.manager' -- this unfortunately also means that you can't call methods like project.manager.build unless there already is a manager on the project #492 [Tim Bates]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@456 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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condition interpolation should also be possible on belongs_to
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@433 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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Added replace to associations, so you can do project.manager.replace(new_manager) or project.milestones.replace(new_milestones) #402 [Tim Bates]
Added build and create methods to has_one and belongs_to associations, so you can now do project.manager.build(attributes) #402 [Tim Bates]
Fixed that Base#== wouldn't work for multiple references to the same unsaved object #402 [Tim Bates]
Added that if a before_* callback returns false, all the later callbacks and the associated action are cancelled. If an after_* callback returns false, all the later callbacks are cancelled. Callbacks are generally run in the order they are defined, with the exception of callbacks defined as methods on the model, which are called last. #402 [Tim Bates]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@417 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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