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Merge pull request #2224 from matrix-org/erikj/prefill_state

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Prefill state caches
This commit is contained in:
Erik Johnston 2017-05-16 15:50:11 +01:00 • committed by GitHub
commit b8492b6c2f
3 changed files with 26 additions and 9 deletions
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15
synapse/storage/events.py
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@ -399,6 +399,11 @@ class EventsStore(SQLBaseStore):
event_counter.inc(event.type, origin_type, origin_entity)
for room_id, (_, _, new_state) in current_state_for_room.iteritems():
self.get_current_state_ids.prefill(
(room_id, ), new_state
)
@defer.inlineCallbacks
def _calculate_new_extremeties(self, room_id, event_contexts, latest_event_ids):
"""Calculates the new forward extremeties for a room given events to
@ -447,10 +452,10 @@ class EventsStore(SQLBaseStore):
Assumes that we are only persisting events for one room at a time.
Returns:
2-tuple (to_delete, to_insert) where both are state dicts, i.e.
(type, state_key) -> event_id. `to_delete` are the entries to
3-tuple (to_delete, to_insert, new_state) where both are state dicts,
i.e. (type, state_key) -> event_id. `to_delete` are the entries to
first be deleted from current_state_events, `to_insert` are entries
to insert.
to insert. `new_state` is the full set of state.
May return None if there are no changes to be applied.
"""
# Now we need to work out the different state sets for
@ -557,7 +562,7 @@ class EventsStore(SQLBaseStore):
if ev_id in events_to_insert
}
defer.returnValue((to_delete, to_insert))
defer.returnValue((to_delete, to_insert, current_state))
@defer.inlineCallbacks
def get_event(self, event_id, check_redacted=True,
@ -710,7 +715,7 @@ class EventsStore(SQLBaseStore):
def _update_current_state_txn(self, txn, state_delta_by_room):
for room_id, current_state_tuple in state_delta_by_room.iteritems():
to_delete, to_insert = current_state_tuple
to_delete, to_insert, _ = current_state_tuple
txn.executemany(
"DELETE FROM current_state_events WHERE event_id = ?",
[(ev_id,) for ev_id in to_delete.itervalues()],