diff options
Diffstat (limited to 'synapse/storage/state.py')
| -rw-r--r-- | synapse/storage/state.py | 60 |
1 files changed, 42 insertions, 18 deletions
diff --git a/synapse/storage/state.py b/synapse/storage/state.py index fb23f6f462..85acf2ad1e 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -14,8 +14,9 @@ # limitations under the License. from ._base import SQLBaseStore -from synapse.util.caches.descriptors import cached, cachedList, cachedInlineCallbacks +from synapse.util.caches.descriptors import cached, cachedList from synapse.util.caches import intern_string +from synapse.util.stringutils import to_ascii from synapse.storage.engines import PostgresEngine from twisted.internet import defer @@ -69,17 +70,33 @@ class StateStore(SQLBaseStore): where_clause="type='m.room.member'", ) - @cachedInlineCallbacks(max_entries=100000, iterable=True) + @cached(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", + """Get the current state event ids for a room based on the + current_state_events table. + + Args: + room_id (str) + + Returns: + deferred: dict of (type, state_key) -> event_id + """ + def _get_current_state_ids_txn(txn): + txn.execute( + """SELECT type, state_key, event_id FROM current_state_events + WHERE room_id = ? + """, + (room_id,) + ) + + return { + (intern_string(r[0]), intern_string(r[1])): to_ascii(r[2]) for r in txn + } + + return self.runInteraction( + "get_current_state_ids", + _get_current_state_ids_txn, ) - 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): @@ -210,6 +227,18 @@ class StateStore(SQLBaseStore): ], ) + # Prefill the state group cache with this group. + # It's fine to use the sequence like this as the state group map + # is immutable. (If the map wasn't immutable then this prefill could + # race with another update) + txn.call_after( + self._state_group_cache.update, + self._state_group_cache.sequence, + key=context.state_group, + value=dict(context.current_state_ids), + full=True, + ) + self._simple_insert_many_txn( txn, table="event_to_state_groups", @@ -263,12 +292,7 @@ class StateStore(SQLBaseStore): return count - @cached(num_args=2, max_entries=100000, iterable=True) - def _get_state_group_from_group(self, group, types): - raise NotImplementedError() - - @cachedList(cached_method_name="_get_state_group_from_group", - list_name="groups", num_args=2, inlineCallbacks=True) + @defer.inlineCallbacks def _get_state_groups_from_groups(self, groups, types): """Returns dictionary state_group -> (dict of (type, state_key) -> event id) """ @@ -496,7 +520,7 @@ class StateStore(SQLBaseStore): state_map = yield self.get_state_ids_for_events([event_id], types) defer.returnValue(state_map[event_id]) - @cached(num_args=2, max_entries=100000) + @cached(num_args=2, max_entries=50000) def _get_state_group_for_event(self, room_id, event_id): return self._simple_select_one_onecol( table="event_to_state_groups", @@ -644,7 +668,7 @@ class StateStore(SQLBaseStore): state_dict = results[group] state_dict.update( - ((intern_string(k[0]), intern_string(k[1])), v) + ((intern_string(k[0]), intern_string(k[1])), to_ascii(v)) for k, v in group_state_dict.iteritems() ) |