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[#5106 state:resolved]
Signed-off-by: José Valim <jose.valim@gmail.com>
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they are wrapped in a transaction, and adds code comments explaining why
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[#922 state:resovled]
Signed-off-by: José Valim <jose.valim@gmail.com>
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callbacks - updates updated_at/on along with attribute if attribute is provided - marks udpated_at/on and attribute as NOT changed
[#2520 state:resolved]
Signed-off-by: José Valim <jose.valim@gmail.com>
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- it will only save the attribute it has been asked to save and not all dirty attributes
- it does not invoke callbacks
- it does change updated_at/on
Signed-off-by: José Valim <jose.valim@gmail.com>
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with_exclusive_scope. A few examples:
* with_scope now should be scoping:
Before:
Comment.with_scope(:find => { :conditions => { :post_id => 1 } }) do
Comment.first #=> SELECT * FROM comments WHERE post_id = 1
end
After:
Comment.where(:post_id => 1).scoping do
Comment.first #=> SELECT * FROM comments WHERE post_id = 1
end
* with_exclusive_scope now should be unscoped:
class Post < ActiveRecord::Base
default_scope :published => true
end
Post.all #=> SELECT * FROM posts WHERE published = true
Before:
Post.with_exclusive_scope do
Post.all #=> SELECT * FROM posts
end
After:
Post.unscoped do
Post.all #=> SELECT * FROM posts
end
Notice you can also use unscoped without a block and it will return an anonymous scope with default_scope values:
Post.unscoped.all #=> SELECT * FROM posts
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