diff options
-rw-r--r-- | changelog.d/3530.misc | 0 | ||||
-rw-r--r-- | synapse/util/caches/stream_change_cache.py | 9 | ||||
-rw-r--r-- | tests/util/test_stream_change_cache.py | 6 |
3 files changed, 4 insertions, 11 deletions
diff --git a/changelog.d/3530.misc b/changelog.d/3530.misc new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/changelog.d/3530.misc diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index a1f8ff8f10..258655349b 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -74,19 +74,12 @@ class StreamChangeCache(object): assert type(stream_pos) is int if stream_pos >= self._earliest_known_stream_pos: - changed_entities = { + result = { self._cache[k] for k in self._cache.islice( start=self._cache.bisect_right(stream_pos), ) } - # we need to include entities which we don't know about, as well as - # those which are known to have changed since the stream pos. - result = { - e for e in entities - if e in changed_entities or e not in self._entity_to_key - } - self.metrics.inc_hits() else: result = set(entities) diff --git a/tests/util/test_stream_change_cache.py b/tests/util/test_stream_change_cache.py index e3897c0d19..fc45baaaa0 100644 --- a/tests/util/test_stream_change_cache.py +++ b/tests/util/test_stream_change_cache.py @@ -141,8 +141,8 @@ class StreamChangeCacheTests(unittest.TestCase): ) # Query all the entries mid-way through the stream, but include one - # that doesn't exist in it. We should get back the one that doesn't - # exist, too. + # that doesn't exist in it. We shouldn't get back the one that doesn't + # exist. self.assertEqual( cache.get_entities_changed( [ @@ -153,7 +153,7 @@ class StreamChangeCacheTests(unittest.TestCase): ], stream_pos=2, ), - set(["bar@baz.net", "user@elsewhere.org", "not@here.website"]), + set(["bar@baz.net", "user@elsewhere.org"]), ) # Query all the entries, but before the first known point. We will get |