MatrixSynapse/synapse/storage/schema/main/delta/82/05gaps.sql

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SQL

/* Copyright 2023 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.
*/
-- Records when we see a "gap in the timeline", due to missing events over
-- federation. We record this so that we can tell clients there is a gap (by
-- marking the timeline section of a sync request as limited).
CREATE TABLE IF NOT EXISTS timeline_gaps (
room_id TEXT NOT NULL,
instance_name TEXT NOT NULL,
stream_ordering BIGINT NOT NULL
);
CREATE INDEX timeline_gaps_room_id ON timeline_gaps(room_id, stream_ordering);