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-rw-r--r--synapse/storage/event_federation.py10
-rw-r--r--synapse/storage/events.py39
-rw-r--r--synapse/storage/room.py4
-rw-r--r--synapse/storage/roommember.py8
-rw-r--r--synapse/storage/signatures.py12
-rw-r--r--synapse/storage/state.py2
6 files changed, 46 insertions, 29 deletions
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index 68f39bd684..3cd3fbdc9b 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -241,7 +241,7 @@ class EventFederationStore(SQLBaseStore):
 
         return int(min_depth) if min_depth is not None else None
 
-    def _update_min_depth_for_room_txn(self, txn, room_id, depth):
+    def _update_min_depth_for_room_txn(self, txn, invalidates, room_id, depth):
         min_depth = self._get_min_depth_interaction(txn, room_id)
 
         do_insert = depth < min_depth if min_depth else True
@@ -256,8 +256,8 @@ class EventFederationStore(SQLBaseStore):
                 },
             )
 
-    def _handle_prev_events(self, txn, outlier, event_id, prev_events,
-                            room_id):
+    def _handle_prev_events(self, txn, invalidates, outlier, event_id,
+                            prev_events, room_id):
         """
         For the given event, update the event edges table and forward and
         backward extremities tables.
@@ -330,7 +330,9 @@ class EventFederationStore(SQLBaseStore):
             )
             txn.execute(query)
 
-            self.get_latest_event_ids_in_room.invalidate(room_id)
+            invalidates.append((
+                self.get_latest_event_ids_in_room.invalidate, room_id
+            ))
 
     def get_backfill_events(self, room_id, event_list, limit):
         """Get a list of Events for a given topic that occurred before (and
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index a3c260ddc4..b2ab4b02f3 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -42,7 +42,7 @@ class EventsStore(SQLBaseStore):
             stream_ordering = self.min_token
 
         try:
-            yield self.runInteraction(
+            invalidates = yield self.runInteraction(
                 "persist_event",
                 self._persist_event_txn,
                 event=event,
@@ -52,6 +52,11 @@ class EventsStore(SQLBaseStore):
                 is_new_state=is_new_state,
                 current_state=current_state,
             )
+            for invalidated in invalidates:
+                invalidated_callback = invalidated[0]
+                invalidated_args = invalidated[1:]
+                invalidated_callback(*invalidated_args)
+
         except _RollbackButIsFineException:
             pass
 
@@ -91,9 +96,10 @@ class EventsStore(SQLBaseStore):
     def _persist_event_txn(self, txn, event, context, backfilled,
                            stream_ordering=None, is_new_state=True,
                            current_state=None):
+        invalidates = []
 
         # Remove the any existing cache entries for the event_id
-        self._invalidate_get_event_cache(event.event_id)
+        invalidates.append((self._invalidate_get_event_cache, event.event_id))
 
         if stream_ordering is None:
             with self._stream_id_gen.get_next_txn(txn) as stream_ordering:
@@ -150,10 +156,11 @@ class EventsStore(SQLBaseStore):
         outlier = event.internal_metadata.is_outlier()
 
         if not outlier:
-            self._store_state_groups_txn(txn, event, context)
+            self._store_state_groups_txn(txn, invalidates, event, context)
 
             self._update_min_depth_for_room_txn(
                 txn,
+                invalidates,
                 event.room_id,
                 event.depth
             )
@@ -199,6 +206,7 @@ class EventsStore(SQLBaseStore):
 
         self._handle_prev_events(
             txn,
+            invalidates,
             outlier=outlier,
             event_id=event.event_id,
             prev_events=event.prev_events,
@@ -206,13 +214,13 @@ class EventsStore(SQLBaseStore):
         )
 
         if event.type == EventTypes.Member:
-            self._store_room_member_txn(txn, event)
+            self._store_room_member_txn(txn, invalidates, event)
         elif event.type == EventTypes.Name:
-            self._store_room_name_txn(txn, event)
+            self._store_room_name_txn(txn, invalidates, event)
         elif event.type == EventTypes.Topic:
-            self._store_room_topic_txn(txn, event)
+            self._store_room_topic_txn(txn, invalidates, event)
         elif event.type == EventTypes.Redaction:
-            self._store_redaction(txn, event)
+            self._store_redaction(txn, invalidates, event)
 
         event_dict = {
             k: v
@@ -281,19 +289,22 @@ class EventsStore(SQLBaseStore):
         )
 
         if context.rejected:
-            self._store_rejections_txn(txn, event.event_id, context.rejected)
+            self._store_rejections_txn(
+                txn, invalidates, event.event_id, context.rejected
+            )
 
         for hash_alg, hash_base64 in event.hashes.items():
             hash_bytes = decode_base64(hash_base64)
             self._store_event_content_hash_txn(
-                txn, event.event_id, hash_alg, hash_bytes,
+                txn, invalidates, event.event_id, hash_alg, hash_bytes,
             )
 
         for prev_event_id, prev_hashes in event.prev_events:
             for alg, hash_base64 in prev_hashes.items():
                 hash_bytes = decode_base64(hash_base64)
                 self._store_prev_event_hash_txn(
-                    txn, event.event_id, prev_event_id, alg, hash_bytes
+                    txn, invalidates, event.event_id, prev_event_id, alg,
+                    hash_bytes
                 )
 
         for auth_id, _ in event.auth_events:
@@ -309,7 +320,7 @@ class EventsStore(SQLBaseStore):
 
         (ref_alg, ref_hash_bytes) = compute_event_reference_hash(event)
         self._store_event_reference_hash_txn(
-            txn, event.event_id, ref_alg, ref_hash_bytes
+            txn, invalidates, event.event_id, ref_alg, ref_hash_bytes
         )
 
         if event.is_state():
@@ -356,9 +367,11 @@ class EventsStore(SQLBaseStore):
                     }
                 )
 
-    def _store_redaction(self, txn, event):
+        return invalidates
+
+    def _store_redaction(self, txn, invalidates, event):
         # invalidate the cache for the redacted event
-        self._invalidate_get_event_cache(event.redacts)
+        invalidates.append((self._invalidate_get_event_cache, event.redacts))
         txn.execute(
             "INSERT INTO redactions (event_id, redacts) VALUES (?,?)",
             (event.event_id, event.redacts)
diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index f956377632..d42d7ff0e3 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -162,7 +162,7 @@ class RoomStore(SQLBaseStore):
 
         defer.returnValue(ret)
 
-    def _store_room_topic_txn(self, txn, event):
+    def _store_room_topic_txn(self, txn, invalidates, event):
         if hasattr(event, "content") and "topic" in event.content:
             self._simple_insert_txn(
                 txn,
@@ -174,7 +174,7 @@ class RoomStore(SQLBaseStore):
                 },
             )
 
-    def _store_room_name_txn(self, txn, event):
+    def _store_room_name_txn(self, txn, invalidates, event):
         if hasattr(event, "content") and "name" in event.content:
             self._simple_insert_txn(
                 txn,
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py
index 09fb77a194..117da817ba 100644
--- a/synapse/storage/roommember.py
+++ b/synapse/storage/roommember.py
@@ -35,7 +35,7 @@ RoomsForUser = namedtuple(
 
 class RoomMemberStore(SQLBaseStore):
 
-    def _store_room_member_txn(self, txn, event):
+    def _store_room_member_txn(self, txn, invalidates, event):
         """Store a room member in the database.
         """
         try:
@@ -64,8 +64,10 @@ class RoomMemberStore(SQLBaseStore):
             }
         )
 
-        self.get_rooms_for_user.invalidate(target_user_id)
-        self.get_joined_hosts_for_room.invalidate(event.room_id)
+        invalidates.extend([
+            (self.get_rooms_for_user.invalidate, target_user_id),
+            (self.get_joined_hosts_for_room.invalidate, event.room_id),
+        ])
 
     def get_room_member(self, user_id, room_id):
         """Retrieve the current state of a room member.
diff --git a/synapse/storage/signatures.py b/synapse/storage/signatures.py
index f051828630..e3979846e7 100644
--- a/synapse/storage/signatures.py
+++ b/synapse/storage/signatures.py
@@ -39,8 +39,8 @@ class SignatureStore(SQLBaseStore):
         txn.execute(query, (event_id, ))
         return dict(txn.fetchall())
 
-    def _store_event_content_hash_txn(self, txn, event_id, algorithm,
-                                      hash_bytes):
+    def _store_event_content_hash_txn(self, txn, invalidates, event_id,
+                                      algorithm, hash_bytes):
         """Store a hash for a Event
         Args:
             txn (cursor):
@@ -101,8 +101,8 @@ class SignatureStore(SQLBaseStore):
         txn.execute(query, (event_id, ))
         return {k: v for k, v in txn.fetchall()}
 
-    def _store_event_reference_hash_txn(self, txn, event_id, algorithm,
-                                        hash_bytes):
+    def _store_event_reference_hash_txn(self, txn, invalidates, event_id,
+                                        algorithm, hash_bytes):
         """Store a hash for a PDU
         Args:
             txn (cursor):
@@ -184,8 +184,8 @@ class SignatureStore(SQLBaseStore):
             hashes[algorithm] = hash_bytes
         return results
 
-    def _store_prev_event_hash_txn(self, txn, event_id, prev_event_id,
-                                   algorithm, hash_bytes):
+    def _store_prev_event_hash_txn(self, txn, invalidates, event_id,
+                                   prev_event_id, algorithm, hash_bytes):
         self._simple_insert_txn(
             txn,
             "event_edge_hashes",
diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 7e55e8bed6..35d11c27cc 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -82,7 +82,7 @@ class StateStore(SQLBaseStore):
             f,
         )
 
-    def _store_state_groups_txn(self, txn, event, context):
+    def _store_state_groups_txn(self, txn, invalidates, event, context):
         if context.current_state is None:
             return