From 89ae0166ded093be2343409cfe42f475dea83139 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Wed, 9 Sep 2015 13:25:22 +0100 Subject: Allow room initialSync for users that have left the room, returning a snapshot of how the room was when they left it --- synapse/storage/stream.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'synapse/storage') diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index d7fe423f5a..0abfa86cd2 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -379,6 +379,21 @@ 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 stream_ordering: "s%d" % (stream_ordering,)) + def _get_max_topological_txn(self, txn): txn.execute( "SELECT MAX(topological_ordering) FROM events" -- cgit 1.5.1