MatrixSynapse/synapse/storage/schema/main/delta/58/12room_stats.sql

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/* 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.
*/
-- Recalculate the stats for all rooms after the fix to joined_members erroneously
-- incrementing on per-room profile changes.
-- Note that the populate_stats_process_rooms background update is already set to
-- run if you're upgrading from Synapse <1.0.0.
-- Additionally, if you've upgraded to v1.18.0 (which doesn't include this fix),
-- this bg job runs, and then update to v1.19.0, you'd end up with only half of
-- your rooms having room stats recalculated after this fix was in place.
-- So we've switched the old `populate_stats_process_rooms` background job to a
-- no-op, and then kick off a bg job with a new name, but with the same
-- functionality as the old one. This effectively restarts the background job
-- from the beginning, without running it twice in a row, supporting both
-- upgrade usecases.
INSERT INTO background_updates (ordering, update_name, progress_json) VALUES
(5812, 'populate_stats_process_rooms_2', '{}');