diff options
Diffstat (limited to 'synapse/util/caches/stream_change_cache.py')
| -rw-r--r-- | synapse/util/caches/stream_change_cache.py | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 891cb619fa..b37f1c0725 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -52,15 +52,10 @@ class StreamChangeCache(object): cache_counter.inc_misses(self.name) return True - if stream_pos == self._earliest_known_stream_pos: - # If the same as the earliest key, assume nothing has changed. - cache_counter.inc_hits(self.name) - return False - latest_entity_change_pos = self._entity_to_key.get(entity, None) if latest_entity_change_pos is None: - cache_counter.inc_misses(self.name) - return True + cache_counter.inc_hits(self.name) + return False if stream_pos < latest_entity_change_pos: cache_counter.inc_misses(self.name) @@ -98,7 +93,7 @@ class StreamChangeCache(object): if stream_pos > self._earliest_known_stream_pos: old_pos = self._entity_to_key.get(entity, None) - if old_pos: + if old_pos is not None: stream_pos = max(stream_pos, old_pos) self._cache.pop(old_pos, None) self._cache[stream_pos] = entity |