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-rw-r--r--synapse/storage/events.py16
1 files changed, 11 insertions, 5 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index 98707d40ee..d946024c9b 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -374,6 +374,12 @@ class EventsStore(SQLBaseStore):
                     new_forward_extremeties=new_forward_extremeties,
                 )
                 persist_event_counter.inc_by(len(chunk))
+
+                for room_id, (_, _, new_state) in current_state_for_room.iteritems():
+                    self.get_current_state_ids.prefill(
+                        (room_id, ), new_state
+                    )
+
                 for event, context in chunk:
                     if context.app_service:
                         origin_type = "local"
@@ -435,10 +441,10 @@ 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
@@ -545,7 +551,7 @@ 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,
@@ -698,7 +704,7 @@ 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()],