Add event ID index on current state table (helps performance) (#1649)

matrix-org · Dec 16, 2020 · e1ace7e · e1ace7e
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diff --git a/syncapi/storage/postgres/current_room_state_table.go b/syncapi/storage/postgres/current_room_state_table.go
@@ -58,6 +58,8 @@ CREATE TABLE IF NOT EXISTS syncapi_current_room_state (
 CREATE UNIQUE INDEX IF NOT EXISTS syncapi_event_id_idx ON syncapi_current_room_state(event_id, room_id, type, sender, contains_url);
 -- for querying membership states of users
 CREATE INDEX IF NOT EXISTS syncapi_membership_idx ON syncapi_current_room_state(type, state_key, membership) WHERE membership IS NOT NULL AND membership != 'leave';
+-- for querying state by event IDs
+CREATE UNIQUE INDEX IF NOT EXISTS syncapi_current_room_state_eventid_idx ON syncapi_current_room_state(event_id);
 `
 
 const upsertRoomStateSQL = "" +

diff --git a/syncapi/storage/sqlite3/current_room_state_table.go b/syncapi/storage/sqlite3/current_room_state_table.go
@@ -46,6 +46,8 @@ CREATE TABLE IF NOT EXISTS syncapi_current_room_state (
 CREATE UNIQUE INDEX IF NOT EXISTS syncapi_event_id_idx ON syncapi_current_room_state(event_id, room_id, type, sender, contains_url);
 -- for querying membership states of users
 -- CREATE INDEX IF NOT EXISTS syncapi_membership_idx ON syncapi_current_room_state(type, state_key, membership) WHERE membership IS NOT NULL AND membership != 'leave';
+-- for querying state by event IDs
+CREATE UNIQUE INDEX IF NOT EXISTS syncapi_current_room_state_eventid_idx ON syncapi_current_room_state(event_id);
 `
 
 const upsertRoomStateSQL = "" +