MatrixSynapse/synapse/storage/schema/main/delta/73/09threads_table.sql

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1.2 KiB
SQL

/* Copyright 2022 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.
*/
CREATE TABLE threads (
room_id TEXT NOT NULL,
-- The event ID of the root event in the thread.
thread_id TEXT NOT NULL,
-- The latest event ID and corresponding topo / stream ordering.
latest_event_id TEXT NOT NULL,
topological_ordering BIGINT NOT NULL,
stream_ordering BIGINT NOT NULL,
CONSTRAINT threads_uniqueness UNIQUE (room_id, thread_id)
);
CREATE INDEX threads_ordering_idx ON threads(room_id, topological_ordering, stream_ordering);
INSERT INTO background_updates (ordering, update_name, progress_json) VALUES
(7309, 'threads_backfill', '{}');