diff options
| author | Yves Senn <yves.senn@gmail.com> | 2015-02-16 09:08:38 +0100 |
|---|---|---|
| committer | Yves Senn <yves.senn@gmail.com> | 2015-02-16 09:39:59 +0100 |
| commit | 6bd777c85156aca0cf2d1f34d8c1fe37d96ac3d9 (patch) | |
| tree | e12a4abb9b323d80de9d5af7556dad301d3a18d8 /activerecord/CHANGELOG.md | |
| parent | 8980da84bc33b0e2b36c92362d74280658441581 (diff) | |
| parent | f0ae503d1931a2f269db3437550be3173ba06bce (diff) | |
| download | rails-6bd777c85156aca0cf2d1f34d8c1fe37d96ac3d9.tar.gz rails-6bd777c85156aca0cf2d1f34d8c1fe37d96ac3d9.tar.bz2 rails-6bd777c85156aca0cf2d1f34d8c1fe37d96ac3d9.zip | |
Merge pull request #18662 from estum/foreign-key-exists
Add `foreign_key_exists?` method.
Diffstat (limited to 'activerecord/CHANGELOG.md')
| -rw-r--r-- | activerecord/CHANGELOG.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index e1cace7d88..ff8dd6b72d 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,7 @@ +* Add `foreign_key_exists?` method. + + *Tõnis Simo* + * Use SQL COUNT and LIMIT 1 queries for `none?` and `one?` methods if no block or limit is given, instead of loading the entire collection to memory. This applies to relations (e.g. `User.all`) as well as associations (e.g. `account.users`) |