mirror of
https://mau.dev/maunium/synapse.git
synced 2024-09-06 01:22:16 +00:00
38 lines
1.3 KiB
SQL
38 lines
1.3 KiB
SQL
/* Copyright 2016 OpenMarket Ltd
|
|
*
|
|
* 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 stream_ordering_to_exterm (
|
|
stream_ordering BIGINT NOT NULL,
|
|
room_id TEXT NOT NULL,
|
|
event_id TEXT NOT NULL
|
|
);
|
|
|
|
INSERT INTO stream_ordering_to_exterm (stream_ordering, room_id, event_id)
|
|
SELECT stream_ordering, room_id, event_id FROM event_forward_extremities
|
|
INNER JOIN (
|
|
SELECT room_id, max(stream_ordering) as stream_ordering FROM events
|
|
INNER JOIN event_forward_extremities USING (room_id, event_id)
|
|
GROUP BY room_id
|
|
) AS rms USING (room_id);
|
|
|
|
CREATE INDEX stream_ordering_to_exterm_idx on stream_ordering_to_exterm(
|
|
stream_ordering
|
|
);
|
|
|
|
CREATE INDEX stream_ordering_to_exterm_rm_idx on stream_ordering_to_exterm(
|
|
room_id, stream_ordering
|
|
);
|