/* Copyright 2020 The Matrix.org Foundation C.I.C * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ -- This column tracks the stream_ordering of the event that was most recently -- successfully transmitted to the destination. -- A value of NULL means that we have not sent an event successfully yet -- (at least, not since the introduction of this column). ALTER TABLE destinations ADD COLUMN last_successful_stream_ordering BIGINT;