diff options
| -rw-r--r-- | synapse/storage/roommember.py | 51 | ||||
| -rw-r--r-- | synapse/storage/schema/delta/56/current_state_events_membership.sql | 3 |
2 files changed, 54 insertions, 0 deletions
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py index 4946afe635..275fef1f66 100644 --- a/synapse/storage/roommember.py +++ b/synapse/storage/roommember.py @@ -53,6 +53,7 @@ ProfileInfo = namedtuple("ProfileInfo", ("avatar_url", "display_name")) MemberSummary = namedtuple("MemberSummary", ("members", "count")) _MEMBERSHIP_PROFILE_UPDATE_NAME = "room_membership_profile_update" +_CURRENT_STATE_MEMBERSHIP_UPDATE_NAME = "current_state_events_membership" class RoomMemberWorkerStore(EventsWorkerStore): @@ -602,6 +603,10 @@ class RoomMemberStore(RoomMemberWorkerStore): self.register_background_update_handler( _MEMBERSHIP_PROFILE_UPDATE_NAME, self._background_add_membership_profile ) + self.register_background_update_handler( + _CURRENT_STATE_MEMBERSHIP_UPDATE_NAME, + self._background_current_state_membership, + ) def _store_room_members_txn(self, txn, events, backfilled): """Store a room member in the database. @@ -781,6 +786,52 @@ class RoomMemberStore(RoomMemberWorkerStore): defer.returnValue(result) + @defer.inlineCallbacks + def _background_current_state_membership(self, progress, batch_size): + """Update the new membership column on current_state_events. + """ + + if "rooms" not in progress: + rooms = yield self._simple_select_onecol( + table="current_state_events", + keyvalues={}, + retcol="DISTINCT room_id", + desc="_background_current_state_membership_get_rooms", + ) + progress["rooms"] = rooms + + rooms = progress["rooms"] + + def _background_current_state_membership_txn(txn): + processed = 0 + while rooms and processed < batch_size: + sql = """ + UPDATE current_state_events AS c + SET membership = ( + SELECT membership FROM room_memberships + WHERE event_id = c.event_id + ) + WHERE room_id = ? + """ + txn.execute(sql, (rooms.pop(),)) + processed += txn.rowcount + + self._background_update_progress_txn( + txn, _CURRENT_STATE_MEMBERSHIP_UPDATE_NAME, progress + ) + + return processed + + result = yield self.runInteraction( + "_background_current_state_membership_update", + _background_current_state_membership_txn, + ) + + if not rooms: + yield self._end_background_update(_CURRENT_STATE_MEMBERSHIP_UPDATE_NAME) + + defer.returnValue(result) + class _JoinedHostsCache(object): """Cache for joined hosts in a room that is optimised to handle updates diff --git a/synapse/storage/schema/delta/56/current_state_events_membership.sql b/synapse/storage/schema/delta/56/current_state_events_membership.sql index 5c754651cb..ec7ad5bae2 100644 --- a/synapse/storage/schema/delta/56/current_state_events_membership.sql +++ b/synapse/storage/schema/delta/56/current_state_events_membership.sql @@ -17,3 +17,6 @@ -- room_memberships, which can be surprisingly costly (we do such queries -- very frequently). ALTER TABLE current_state_events ADD membership TEXT; + +INSERT INTO background_updates (update_name, progress_json) VALUES + ('current_state_events_membership', '{}'); |