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-rw-r--r--synapse/storage/event_federation.py38
-rw-r--r--synapse/storage/roommember.py39
-rw-r--r--synapse/storage/state.py2
-rw-r--r--synapse/storage/stream.py19
4 files changed, 45 insertions, 53 deletions
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index a1982dfbb5..5d4b7843f3 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from twisted.internet import defer
+
 from ._base import SQLBaseStore, cached
 from syutil.base64util import encode_base64
 
@@ -33,16 +35,7 @@ class EventFederationStore(SQLBaseStore):
     """
 
     def get_auth_chain(self, event_ids):
-        return self.runInteraction(
-            "get_auth_chain",
-            self._get_auth_chain_txn,
-            event_ids
-        )
-
-    def _get_auth_chain_txn(self, txn, event_ids):
-        results = self._get_auth_chain_ids_txn(txn, event_ids)
-
-        return self._get_events_txn(txn, results)
+        return self.get_auth_chain_ids(event_ids).addCallback(self._get_events)
 
     def get_auth_chain_ids(self, event_ids):
         return self.runInteraction(
@@ -369,7 +362,7 @@ class EventFederationStore(SQLBaseStore):
         return self.runInteraction(
             "get_backfill_events",
             self._get_backfill_events, room_id, event_list, limit
-        )
+        ).addCallback(self._get_events)
 
     def _get_backfill_events(self, txn, room_id, event_list, limit):
         logger.debug(
@@ -415,16 +408,26 @@ class EventFederationStore(SQLBaseStore):
             front = new_front
             event_results += new_front
 
-        return self._get_events_txn(txn, event_results)
+        return event_results
 
+    @defer.inlineCallbacks
     def get_missing_events(self, room_id, earliest_events, latest_events,
                            limit, min_depth):
-        return self.runInteraction(
+        ids = yield self.runInteraction(
             "get_missing_events",
             self._get_missing_events,
             room_id, earliest_events, latest_events, limit, min_depth
         )
 
+        events = yield self._get_events(ids)
+
+        events = sorted(
+            [ev for ev in events if ev.depth >= min_depth],
+            key=lambda e: e.depth,
+        )
+
+        defer.returnValue(events[:limit])
+
     def _get_missing_events(self, txn, room_id, earliest_events, latest_events,
                             limit, min_depth):
 
@@ -456,14 +459,7 @@ class EventFederationStore(SQLBaseStore):
             front = new_front
             event_results |= new_front
 
-        events = self._get_events_txn(txn, event_results)
-
-        events = sorted(
-            [ev for ev in events if ev.depth >= min_depth],
-            key=lambda e: e.depth,
-        )
-
-        return events[:limit]
+        return event_results
 
     def clean_room_for_join(self, room_id):
         return self.runInteraction(
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py
index 839c74f63a..80717f6cde 100644
--- a/synapse/storage/roommember.py
+++ b/synapse/storage/roommember.py
@@ -76,16 +76,16 @@ class RoomMemberStore(SQLBaseStore):
         Returns:
             Deferred: Results in a MembershipEvent or None.
         """
-        def f(txn):
-            events = self._get_members_events_txn(
-                txn,
-                room_id,
-                user_id=user_id,
-            )
-
-            return events[0] if events else None
-
-        return self.runInteraction("get_room_member", f)
+        return self.runInteraction(
+            "get_room_member",
+            self._get_members_events_txn,
+            room_id,
+            user_id=user_id,
+        ).addCallback(
+            self._get_events
+        ).addCallback(
+            lambda events: events[0] if events else None
+        )
 
     def get_users_in_room(self, room_id):
         def f(txn):
@@ -110,15 +110,12 @@ class RoomMemberStore(SQLBaseStore):
         Returns:
             list of namedtuples representing the members in this room.
         """
-
-        def f(txn):
-            return self._get_members_events_txn(
-                txn,
-                room_id,
-                membership=membership,
-            )
-
-        return self.runInteraction("get_room_members", f)
+        return self.runInteraction(
+            "get_room_members",
+            self._get_members_events_txn,
+            room_id,
+            membership=membership,
+        ).addCallback(self._get_events)
 
     def get_rooms_for_user_where_membership_is(self, user_id, membership_list):
         """ Get all the rooms for this user where the membership for this user
@@ -190,14 +187,14 @@ class RoomMemberStore(SQLBaseStore):
         return self.runInteraction(
             "get_members_query", self._get_members_events_txn,
             where_clause, where_values
-        )
+        ).addCallbacks(self._get_events)
 
     def _get_members_events_txn(self, txn, room_id, membership=None, user_id=None):
         rows = self._get_members_rows_txn(
             txn,
             room_id, membership, user_id,
         )
-        return self._get_events_txn(txn, [r["event_id"] for r in rows])
+        return [r["event_id"] for r in rows]
 
     def _get_members_rows_txn(self, txn, room_id, membership=None, user_id=None):
         where_clause = "c.room_id = ?"
diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 26fd3b3e67..3f5642642d 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -72,8 +72,6 @@ class StateStore(SQLBaseStore):
                     retcol="event_id",
                 )
 
-                # state = self._get_events_txn(txn, state_ids)
-
                 res[group] = state_ids
 
             return res
diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py
index db9c2f0389..d16b57c515 100644
--- a/synapse/storage/stream.py
+++ b/synapse/storage/stream.py
@@ -224,7 +224,7 @@ class StreamStore(SQLBaseStore):
 
         return self.runInteraction("get_room_events_stream", f)
 
-    @log_function
+    @defer.inlineCallbacks
     def paginate_room_events(self, room_id, from_key, to_key=None,
                              direction='b', limit=-1,
                              with_feedback=False):
@@ -286,17 +286,18 @@ class StreamStore(SQLBaseStore):
                 # TODO (erikj): We should work out what to do here instead.
                 next_token = to_key if to_key else from_key
 
-            events = self._get_events_txn(
-                txn,
-                [r["event_id"] for r in rows],
-                get_prev_content=True
-            )
+            return rows, next_token,
 
-            self._set_before_and_after(events, rows)
+        rows, token = yield self.runInteraction("paginate_room_events", f)
 
-            return events, next_token,
+        events = yield self._get_events(
+            [r["event_id"] for r in rows],
+            get_prev_content=True
+        )
 
-        return self.runInteraction("paginate_room_events", f)
+        self._set_before_and_after(events, rows)
+
+        defer.returnValue((events, token))
 
     @defer.inlineCallbacks
     def get_recent_events_for_room(self, room_id, limit, end_token,