gitlab-org--gitlab-foss/db/migrate/20191203121729_update_group...

30 lines
909 B
Ruby

# frozen_string_literal: true
class UpdateGroupDeletionSchedulesForeignKeys < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_foreign_key(:group_deletion_schedules, :users, column: :user_id, on_delete: :cascade, name: new_foreign_key_name)
remove_foreign_key_if_exists(:group_deletion_schedules, column: :user_id, on_delete: :nullify)
end
def down
add_concurrent_foreign_key(:group_deletion_schedules, :users, column: :user_id, on_delete: :nullify, name: existing_foreign_key_name)
remove_foreign_key_if_exists(:group_deletion_schedules, column: :user_id, on_delete: :cascade)
end
private
def new_foreign_key_name
concurrent_foreign_key_name(:group_deletion_schedules, :user_id)
end
def existing_foreign_key_name
'fk_group_deletion_schedules_users_user_id'
end
end