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Diffstat (limited to 'activerecord/CHANGELOG.md')
-rw-r--r-- | activerecord/CHANGELOG.md | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 9d80bbe51f..2a237f86cf 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,30 @@ +* Add an `:if_not_exists` option to `create_table`. + + Example: + + create_table :posts, if_not_exists: true do |t| + t.string :title + end + + That would execute: + + CREATE TABLE IF NOT EXISTS posts ( + ... + ) + + If the table already exists, `if_not_exists: false` (the default) raises an + exception whereas `if_not_exists: true` does nothing. + + *fatkodima*, *Stefan Kanev* + +* Defining an Enum as a Hash with blank key, or as an Array with a blank value, now raises an `ArgumentError`. + + *Christophe Maximin* + +* Adds support for multiple databases to `rails db:schema:cache:dump` and `rails db:schema:cache:clear`. + + *Gannon McGibbon* + * `update_columns` now correctly raises `ActiveModel::MissingAttributeError` if the attribute does not exist. |