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Faster remote room joins: stream the un-partial-stating of events over replication. [rei:frrj/streams/unpsr] (#14545)

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reivilibre 2022-12-14 14:47:11 +00:00 • committed by GitHub
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8 changed files with 204 additions and 10 deletions
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synapse/storage/schema/main/delta/73/22_un_partial_stated_event_stream.sql Normal file
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/* 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.
*/
-- Stream for notifying that an event has become un-partial-stated.
CREATE TABLE un_partial_stated_event_stream(
-- Position in the stream
stream_id BIGINT PRIMARY KEY NOT NULL,
-- Which instance wrote this entry.
instance_name TEXT NOT NULL,
-- Which event has been un-partial-stated.
event_id TEXT NOT NULL REFERENCES events(event_id) ON DELETE CASCADE,
-- true iff the `rejected` status of the event changed when it became
-- un-partial-stated.
rejection_status_changed BOOLEAN NOT NULL
);
-- We want an index here because of the foreign key constraint:
-- upon deleting an event, the database needs to be able to check here.
CREATE UNIQUE INDEX un_partial_stated_event_stream_room_id ON un_partial_stated_event_stream (event_id);

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synapse/storage/schema/main/delta/73/23_un_partial_stated_room_stream_seq.sql.postgres Normal file
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/* 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 SEQUENCE IF NOT EXISTS un_partial_stated_event_stream_sequence;
SELECT setval('un_partial_stated_event_stream_sequence', (
SELECT COALESCE(MAX(stream_id), 1) FROM un_partial_stated_event_stream
));