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| author | Erik Johnston <erik@matrix.org> | 2016-09-15 15:12:07 +0100 |
|---|---|---|
| committer | Erik Johnston <erik@matrix.org> | 2016-09-15 15:12:07 +0100 |
| commit | 955f34d23e03c30c5c85df542e3b9b8bf9970110 (patch) | |
| tree | 26b8c438a4d76464a870d656ab319f7f4b204fd7 /synapse/util/caches/stream_change_cache.py | |
| parent | Use stream_change cache to make get_forward_extremeties_for_room cache more e... (diff) | |
| download | synapse-955f34d23e03c30c5c85df542e3b9b8bf9970110.tar.xz | |
Change get_pos_of_last_change to return upper bound
Diffstat (limited to 'synapse/util/caches/stream_change_cache.py')
| -rw-r--r-- | synapse/util/caches/stream_change_cache.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 5c2a433e41..b72bb0ff02 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -122,7 +122,8 @@ class StreamChangeCache(object): self._earliest_known_stream_pos = max(k, self._earliest_known_stream_pos) self._entity_to_key.pop(r, None) - def get_pos_of_last_change(self, entity): - """Returns the stream pos of the last change for an entitiy, if known. + def get_max_pos_of_last_change(self, entity): + """Returns an upper bound of the stream id of the last change to an + entity. """ - return self._entity_to_key.get(entity, None) + return self._entity_to_key.get(entity, self._earliest_known_stream_pos) |