gitlab-org--gitlab-foss/db/migrate/20201119053603_add_iteratio...

22 lines
558 B
Ruby

# frozen_string_literal: true
class AddIterationListsForeignKey < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_lists_on_iteration_id'
disable_ddl_transaction!
def up
add_concurrent_index :lists, :iteration_id, name: INDEX_NAME
add_concurrent_foreign_key :lists, :sprints, column: :iteration_id, on_delete: :cascade
end
def down
remove_foreign_key_if_exists :lists, :sprints, column: :iteration_id
remove_concurrent_index_by_name :lists, INDEX_NAME
end
end