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Sean Quah b2c2b03079
Fix PostgreSQL sometimes using table scans for `event_search` (#14409) 
PostgreSQL may underestimate the number of distinct `room_id`s in
`event_search`, which can cause it to use table scans for queries for
multiple rooms.

Fix this by setting `n_distinct` on the column.

Resolves #14402.

Signed-off-by: Sean Quah <seanq@matrix.org>
 		2022-11-10 19:02:27 +00:00
..
12 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
13 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
14 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
15 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
16 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
17 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
18 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
19 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
20 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
21 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
22 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
24 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
25 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
26 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
27 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
28 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
29 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
30 Remove unnecessary pass statements. (#12206) 2022-03-11 07:06:21 -05:00
31 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
32 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
33 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
34 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
35 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
36 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
37 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
38 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
39 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
40 Speed up `get_unread_event_push_actions_by_room` (#13005) 2022-06-15 15:17:14 +00:00
41 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
42 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
43 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
44 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
45 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
46 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
47 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
48 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
49 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
50 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
51 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
52 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
53 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
54 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
55 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
56 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
57 Use direct references for some configuration variables (#10798) 2021-09-13 13:07:12 -04:00
58 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
59 Merge branch 'release-v1.37' into develop 2021-06-29 20:25:47 +01:00
60 fix ordering of bg update (#10291) 2021-07-01 18:45:55 +01:00
61 Make historical events discoverable from backfill for servers without any scrollback history (MSC2716) (#10245) 2021-07-28 10:46:37 -05:00
62 Move the sessions delta to the latest schema version. (#10725) 2021-08-31 16:38:43 +00:00
63 Add a partial index to `presence_stream` to speed up startups (#10748) 2021-09-03 17:16:56 +01:00
64 Move sql file for `remove_deleted_devices_from_device_inbox` into v65 (#11303) 2021-11-15 11:47:30 +00:00
65 Save the OIDC session ID (sid) with the device on login (#11482) 2021-12-06 12:43:06 -05:00
67 Drop unused table `public_room_list_stream`. (#11795) 2022-01-21 09:19:56 +00:00
68 Send device list updates to application services (MSC3202) - part 1 (#11881) 2022-03-30 14:39:27 +01:00
69 Add index to cache invalidations (#12747) 2022-05-17 09:34:59 +00:00
70 Rename delta to apply in the proper schema version. (#13050) 2022-06-14 14:34:04 +00:00
71 Speed up `get_unread_event_push_actions_by_room` (#13005) 2022-06-15 15:17:14 +00:00
72 Update event push action and receipt tables to support threads. (#13753) 2022-09-14 17:11:16 +00:00
73 Fix PostgreSQL sometimes using table scans for `event_search` (#14409) 2022-11-10 19:02:27 +00:00