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Get current state by using current_state_events table

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This commit is contained in:
Erik Johnston 2017-03-10 17:39:35 +00:00
parent 3872c7a107
commit 8ffbe43ba1
5 changed files with 52 additions and 31 deletions
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18
synapse/storage/events.py
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@ -442,14 +442,9 @@ class EventsStore(SQLBaseStore):
else:
return
existing_state_rows = yield self._simple_select_list(
table="current_state_events",
keyvalues={"room_id": room_id},
retcols=["event_id", "type", "state_key"],
desc="_calculate_state_delta",
)
existing_state = yield self.get_current_state_ids(room_id)
existing_events = set(row["event_id"] for row in existing_state_rows)
existing_events = set(existing_state.itervalues())
new_events = set(ev_id for ev_id in current_state.itervalues())
changed_events = existing_events ^ new_events
@ -457,9 +452,8 @@ class EventsStore(SQLBaseStore):
return
to_delete = {
(row["type"], row["state_key"]): row["event_id"]
for row in existing_state_rows
if row["event_id"] in changed_events
key: ev_id for key, ev_id in existing_state.iteritems()
if ev_id in changed_events
}
events_to_insert = (new_events - existing_events)
to_insert = {
@ -585,6 +579,10 @@ class EventsStore(SQLBaseStore):
txn, self.get_users_in_room, (room_id,)
)
self._invalidate_cache_and_stream(
txn, self.get_current_state_ids, (room_id,)
)
for room_id, new_extrem in new_forward_extremeties.items():
self._simple_delete_txn(
txn,