mirror of
https://mau.dev/maunium/synapse.git
synced 2024-09-18 15:25:41 +00:00
23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
#
|
|
# This file is licensed under the Affero General Public License (AGPL) version 3.
|
|
#
|
|
# Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
# Copyright (C) 2023 New Vector, Ltd
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# See the GNU Affero General Public License for more details:
|
|
# <https://www.gnu.org/licenses/agpl-3.0.html>.
|
|
#
|
|
# Originally licensed under the Apache License, Version 2.0:
|
|
# <http://www.apache.org/licenses/LICENSE-2.0>.
|
|
#
|
|
# [This file includes modifications made by New Vector Limited]
|
|
#
|
|
#
|
|
|
|
"""
|
|
This migration handles the process of changing the type of `room_depth.min_depth` to
|
|
a BIGINT.
|
|
"""
|
|
from synapse.storage.database import LoggingTransaction
|
|
from synapse.storage.engines import BaseDatabaseEngine, PostgresEngine
|
|
|
|
|
|
def run_create(cur: LoggingTransaction, database_engine: BaseDatabaseEngine) -> None:
|
|
if not isinstance(database_engine, PostgresEngine):
|
|
# this only applies to postgres - sqlite does not distinguish between big and
|
|
# little ints.
|
|
return
|
|
|
|
# First add a new column to contain the bigger min_depth
|
|
cur.execute("ALTER TABLE room_depth ADD COLUMN min_depth2 BIGINT")
|
|
|
|
# Create a trigger which will keep it populated.
|
|
cur.execute(
|
|
"""
|
|
CREATE OR REPLACE FUNCTION populate_min_depth2() RETURNS trigger AS $BODY$
|
|
BEGIN
|
|
new.min_depth2 := new.min_depth;
|
|
RETURN NEW;
|
|
END;
|
|
$BODY$ LANGUAGE plpgsql
|
|
"""
|
|
)
|
|
|
|
cur.execute(
|
|
"""
|
|
CREATE TRIGGER populate_min_depth2_trigger BEFORE INSERT OR UPDATE ON room_depth
|
|
FOR EACH ROW
|
|
EXECUTE PROCEDURE populate_min_depth2()
|
|
"""
|
|
)
|
|
|
|
# Start a bg process to populate it for old rooms
|
|
cur.execute(
|
|
"""
|
|
INSERT INTO background_updates (ordering, update_name, progress_json) VALUES
|
|
(6103, 'populate_room_depth_min_depth2', '{}')
|
|
"""
|
|
)
|
|
|
|
# and another to switch them over once it completes.
|
|
cur.execute(
|
|
"""
|
|
INSERT INTO background_updates (ordering, update_name, progress_json, depends_on) VALUES
|
|
(6103, 'replace_room_depth_min_depth', '{}', 'populate_room_depth2')
|
|
"""
|
|
)
|