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体验新版 GitCode,发现更多精彩内容 >>
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e09c4028
编写于
1月 28, 2014
作者:
D
Damien Mathieu
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Merge pull request #13838 from vipulnsward/13197-fix-has-one-documentation
Add docs about behaviour of replacing a has_one associate object.
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activerecord/lib/active_record/associations.rb
activerecord/lib/active_record/associations.rb
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activerecord/lib/active_record/associations.rb
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@@ -1213,7 +1213,8 @@ def has_many(name, scope = nil, options = {}, &extension)
# Returns the associated object. +nil+ is returned if none is found.
# [association=(associate)]
# Assigns the associate object, extracts the primary key, sets it as the foreign key,
# and saves the associate object.
# and saves the associate object. To avoid database inconsistencies, permanently deletes an existing
# associated object when assigning a new one, even if the new one isn't saved to database.
# [build_association(attributes = {})]
# Returns a new object of the associated type that has been instantiated
# with +attributes+ and linked to this object through a foreign key, but has not
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