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Diffstat (limited to 'activerecord/CHANGELOG.md')
| -rw-r--r-- | activerecord/CHANGELOG.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 9b2e9c4660..a108a1b2a9 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,14 @@ +* `has_one` and `belongs_to` accessors don't add ORDER BY to the queries anymore. + + Since Rails 4.0, we add an ORDER BY in the `first` method to ensure consistent results + among different database engines. But for singular associations this behavior is not needed + since we will have one record to return. As this ORDER BY option can lead some performance + issues we are removing it for singular associations accessors. + + Fixes #12623. + + *Rafael Mendonça França* + * Prepend table name for column names passed to `Relation#select`. Example: |