mirror of
https://github.com/element-hq/synapse
synced 2024-08-19 05:40:58 +00:00
remove duplicates from groups tables
and rename inconsistently named indexes. Based on https://github.com/matrix-org/synapse/pull/3128 - thanks @vurpo\!
This commit is contained in:
parent
1bb83d5d41
commit
e3a373f002
1 changed files with 34 additions and 0 deletions
34
synapse/storage/schema/delta/48/group_unique_indexes.sql
Normal file
34
synapse/storage/schema/delta/48/group_unique_indexes.sql
Normal file
|
@ -0,0 +1,34 @@
|
|||
/* Copyright 2018 New Vector 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.
|
||||
*/
|
||||
|
||||
-- remove duplicates from group_users table
|
||||
DELETE FROM group_users WHERE ctid NOT IN (
|
||||
SELECT min(ctid) FROM group_users GROUP BY group_id, user_id
|
||||
);
|
||||
DROP INDEX groups_users_g_idx;
|
||||
CREATE UNIQUE INDEX group_users_g_idx ON group_users(group_id, user_id);
|
||||
|
||||
-- remove duplicates from group_invites table
|
||||
DELETE FROM group_invites WHERE ctid NOT IN (
|
||||
SELECT min(ctid) FROM group_invites GROUP BY group_id, user_id
|
||||
);
|
||||
DROP INDEX groups_invites_g_idx;
|
||||
CREATE UNIQUE INDEX group_invites_g_idx ON group_invites(group_id, user_id);
|
||||
|
||||
-- rename other indexes to actually match their table names...
|
||||
ALTER INDEX groups_users_u_idx RENAME TO group_users_u_idx;
|
||||
ALTER INDEX groups_invites_u_idx RENAME TO group_invites_u_idx;
|
||||
ALTER INDEX groups_rooms_g_idx RENAME TO group_rooms_g_idx;
|
||||
ALTER INDEX groups_rooms_r_idx RENAME TO group_rooms_r_idx;
|
Loading…
Reference in a new issue