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| author | Jon Leighton <j@jonathanleighton.com> | 2012-11-09 10:35:39 +0000 |
|---|---|---|
| committer | Jon Leighton <j@jonathanleighton.com> | 2012-11-09 10:38:58 +0000 |
| commit | 0130c17476b754aea20faf6914686c5d4c7086b9 (patch) | |
| tree | 110c00f74453bee05b38ce3ae435cec0f814eda8 /activerecord/lib | |
| parent | c33cfa6379e98a134672ae46580fcb54ce071f4f (diff) | |
| download | rails-0130c17476b754aea20faf6914686c5d4c7086b9.tar.gz rails-0130c17476b754aea20faf6914686c5d4c7086b9.tar.bz2 rails-0130c17476b754aea20faf6914686c5d4c7086b9.zip | |
Relations built off collection associations with an unsaved owner should be null relations
For example, the following should not run any query on the database:
Post.new.comments.where(body: 'omg').to_a # => []
Fixes #5215.
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/associations/collection_proxy.rb | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index e73f940334..536e108f0e 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -835,8 +835,9 @@ module ActiveRecord # Returns a <tt>Relation</tt> object for the records in this association def scope association = @association - - @association.scope.extending! do + scope = @association.scope + scope.none! if @association.owner.new_record? + scope.extending! do define_method(:proxy_association) { association } end end |