From f6f902d459c0f888b70742b8f7cca640e544adf6 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 14 May 2015 13:45:48 +0100 Subject: Move fetching of events into their own transactions --- synapse/storage/event_federation.py | 38 ++++++++++++++++-------------------- synapse/storage/roommember.py | 39 +++++++++++++++++-------------------- synapse/storage/state.py | 2 -- synapse/storage/stream.py | 19 +++++++++--------- 4 files changed, 45 insertions(+), 53 deletions(-) (limited to 'synapse') 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, -- cgit 1.4.1