MatrixSynapse/synapse/storage/databases/main/schema/delta/58/17_catchup_last_successful.sql

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SQL

/* 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;