forked-synapse/synapse/storage/schema/main/delta/73
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
..
01event_failed_pull_attempts.sql
02add_pusher_enabled.sql Support enabling/disabling pushers (from MSC3881) (#13799) 2022-09-21 14:39:01 +00:00
02room_id_indexes_for_purging.sql
03pusher_device_id.sql Track device IDs for pushers (#13831) 2022-09-21 15:31:53 +00:00
03users_approved_column.sql Allow admins to require a manual approval process before new accounts can be used (using MSC3866) (#13556) 2022-09-29 15:23:24 +02:00
04partial_join_details.sql Add new columns tracking when we partial-joined (#13892) 2022-09-27 17:26:35 +01:00
04pending_device_list_updates.sql Handle remote device list updates during partial join (#13913) 2022-09-28 13:42:43 +00:00
05old_push_actions.sql.postgres Clear out old rows from event_push_actions_staging (#14020) 2022-10-03 18:44:44 +01:00
05old_push_actions.sql.sqlite Clear out old rows from event_push_actions_staging (#14020) 2022-10-03 18:44:44 +01:00
06thread_notifications_thread_id_idx.sql Update the thread_id right before use (in case the bg update hasn't finished) (#14222) 2022-10-18 14:55:41 +00:00
08thread_receipts_non_null.sql.postgres Mark events as read using threaded read receipts from MSC3771. (#13877) 2022-10-04 10:46:42 -04:00
08thread_receipts_non_null.sql.sqlite Mark events as read using threaded read receipts from MSC3771. (#13877) 2022-10-04 10:46:42 -04:00
09partial_joined_via_destination.sql When restarting a partial join resync, prioritise the server which actioned a partial join (#14126) 2022-10-18 12:33:18 +01:00
09threads_table.sql Add an API for listing threads in a room. (#13394) 2022-10-13 08:02:11 -04:00
10_update_sqlite_fts4_tokenizer.py Unified search query syntax using the full-text search capabilities of the underlying DB. (#11635) 2022-10-25 14:05:22 -04:00
10login_tokens.sql Save login tokens in database (#13844) 2022-10-26 11:45:41 +01:00
11event_search_room_id_n_distinct.sql.postgres Fix PostgreSQL sometimes using table scans for event_search (#14409) 2022-11-10 19:02:27 +00:00