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Diffstat (limited to 'activerecord/CHANGELOG.md')
-rw-r--r-- | activerecord/CHANGELOG.md | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 66c3222a25..f12094ab1e 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,5 +1,31 @@ ## Rails 3.2.10 (unreleased) +* Unscope `update_column(s)` query to ignore default scope. + + When applying `default_scope` to a class with a where clause, using + `update_column(s)` could generate a query that would not properly update + the record due to the where clause from the `default_scope` being applied + to the update query. + + class User < ActiveRecord::Base + default_scope where(active: true) + end + + user = User.first + user.active = false + user.save! + + user.update_column(:active, true) # => false + + In this situation we want to skip the default_scope clause and just + update the record based on the primary key. With this change: + + user.update_column(:active, true) # => true + + Backport of #8436 fix. + + *Carlos Antonio da Silva* + * Fix performance problem with primary_key method in PostgreSQL adapter when having many schemas. Uses pg_constraint table instead of pg_depend table which has many records in general. Fix #8414 |