17 lines
411 B
Ruby
17 lines
411 B
Ruby
# rubocop:disable RemoveIndex
|
|
class AddUniqueIndexToListsLabelId < ActiveRecord::Migration
|
|
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
|