diff options
Diffstat (limited to 'synapse/storage/stream.py')
| -rw-r--r-- | synapse/storage/stream.py | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index d7fe423f5a..3cab06fdef 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -159,9 +159,7 @@ class StreamStore(SQLBaseStore): @log_function def get_room_events_stream(self, user_id, from_key, to_key, room_id, - limit=0, with_feedback=False): - # TODO (erikj): Handle compressed feedback - + limit=0): current_room_membership_sql = ( "SELECT m.room_id FROM room_memberships as m " " INNER JOIN current_state_events as c" @@ -227,10 +225,7 @@ class StreamStore(SQLBaseStore): @defer.inlineCallbacks def paginate_room_events(self, room_id, from_key, to_key=None, - direction='b', limit=-1, - with_feedback=False): - # TODO (erikj): Handle compressed feedback - + direction='b', limit=-1): # Tokens really represent positions between elements, but we use # the convention of pointing to the event before the gap. Hence # we have a bit of asymmetry when it comes to equalities. @@ -302,7 +297,6 @@ class StreamStore(SQLBaseStore): @cachedInlineCallbacks(num_args=4) def get_recent_events_for_room(self, room_id, limit, end_token, from_token=None): - # TODO (erikj): Handle compressed feedback end_token = RoomStreamToken.parse_stream_token(end_token) @@ -379,6 +373,38 @@ class StreamStore(SQLBaseStore): ) defer.returnValue("t%d-%d" % (topo, token)) + def get_stream_token_for_event(self, event_id): + """The stream token for an event + Args: + event_id(str): The id of the event to look up a stream token for. + Raises: + StoreError if the event wasn't in the database. + Returns: + A deferred "s%d" stream token. + """ + return self._simple_select_one_onecol( + table="events", + keyvalues={"event_id": event_id}, + retcol="stream_ordering", + ).addCallback(lambda row: "s%d" % (row,)) + + def get_topological_token_for_event(self, event_id): + """The stream token for an event + Args: + event_id(str): The id of the event to look up a stream token for. + Raises: + StoreError if the event wasn't in the database. + Returns: + A deferred "t%d-%d" topological token. + """ + return self._simple_select_one( + table="events", + keyvalues={"event_id": event_id}, + retcols=("stream_ordering", "topological_ordering"), + ).addCallback(lambda row: "t%d-%d" % ( + row["topological_ordering"], row["stream_ordering"],) + ) + def _get_max_topological_txn(self, txn): txn.execute( "SELECT MAX(topological_ordering) FROM events" |