2017-08-17 22:00:37 +05:30
|
|
|
# rubocop:disable RemoveIndex
|
2019-02-15 15:39:39 +05:30
|
|
|
class AddUniqueIndexToListsLabelId < ActiveRecord::Migration[4.2]
|
2016-09-13 17:45:13 +05:30
|
|
|
include Gitlab::Database::MigrationHelpers
|
|
|
|
|
|
|
|
DOWNTIME = false
|
|
|
|
|
|
|
|
disable_ddl_transaction!
|
|
|
|
|
|
|
|
def up
|
|
|
|
add_concurrent_index :lists, [:board_id, :label_id], unique: true
|
|
|
|
end
|
|
|
|
|
|
|
|
def down
|
|
|
|
remove_index :lists, column: [:board_id, :label_id] if index_exists?(:lists, [:board_id, :label_id], unique: true)
|
|
|
|
end
|
|
|
|
end
|