Nick Mills-Barrett e6af49fbea Reintroduce membership tables event stream ordering (#15128) ... * Add `event_stream_ordering` column to membership state tables Specifically this adds the column to `current_state_events`, `local_current_membership` and `room_memberships`. Each of these tables is regularly joined with the `events` table to get the stream ordering and denormalising this into each table will yield significant query performance improvements once used. * Make denormalised `event_stream_ordering` columns foreign keys * Add comment in schema file explaining new denormalised columns * Add triggers to enforce consistency of `event_stream_ordering` columns * Re-order purge room tables to account for foreign keys * Bump schema version to 75 Co-authored-by: David Robertson <david.m.robertson1@gmail.com> Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>		2023-03-24 11:44:01 +00:00
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40	Speed up get_unread_event_push_actions_by_room (#13005)	2022-06-15 15:17:14 +00:00
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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	Revert "Add event_stream_ordering column to membership state tables (#14979)"	2023-02-07 15:26:55 +00:00
74	Reintroduce membership tables event stream ordering (#15128)	2023-03-24 11:44:01 +00:00