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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`) |