diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 84482d8285..1b42bea07a 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -14,7 +14,7 @@
# limitations under the License.
from ._base import SQLBaseStore
-from synapse.util.caches.descriptors import cached, cachedList
+from synapse.util.caches.descriptors import cached, cachedList, cachedInlineCallbacks
from synapse.util.caches import intern_string
from synapse.storage.engines import PostgresEngine
@@ -69,6 +69,18 @@ class StateStore(SQLBaseStore):
where_clause="type='m.room.member'",
)
+ @cachedInlineCallbacks(max_entries=100000, iterable=True)
+ def get_current_state_ids(self, room_id):
+ 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",
+ )
+ defer.returnValue({
+ (r["type"], r["state_key"]): r["event_id"] for r in rows
+ })
+
@defer.inlineCallbacks
def get_state_groups_ids(self, room_id, event_ids):
if not event_ids:
@@ -124,6 +136,16 @@ class StateStore(SQLBaseStore):
continue
if context.current_state_ids is None:
+ # AFAIK, this can never happen
+ logger.error(
+ "Non-outlier event %s had current_state_ids==None",
+ event.event_id)
+ continue
+
+ # if the event was rejected, just give it the same state as its
+ # predecessor.
+ if context.rejected:
+ state_groups[event.event_id] = context.prev_group
continue
state_groups[event.event_id] = context.state_group
|
