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| author | fatkodima <fatkodima@rambler.ru> | 2017-12-09 18:02:51 +0200 |
|---|---|---|
| committer | fatkodima <fatkodima123@gmail.com> | 2018-11-08 15:26:07 +0200 |
| commit | 6e0ff0053702cd1dc0f149f4ca59f968a2560d72 (patch) | |
| tree | 8cb2303b510fb0b815ce95c5335015c74ec95642 /activerecord/CHANGELOG.md | |
| parent | 7f7e7e8b39f56d35993bec4247ac0295cd0c943e (diff) | |
| download | rails-6e0ff0053702cd1dc0f149f4ca59f968a2560d72.tar.gz rails-6e0ff0053702cd1dc0f149f4ca59f968a2560d72.tar.bz2 rails-6e0ff0053702cd1dc0f149f4ca59f968a2560d72.zip | |
Add an :if_not_exists option to create_table
[fatkodima & Stefan Kanev]
Diffstat (limited to 'activerecord/CHANGELOG.md')
| -rw-r--r-- | activerecord/CHANGELOG.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index f57ca1854f..2a237f86cf 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,22 @@ +* 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* |