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Diffstat (limited to 'synapse/storage/state.py')
| -rw-r--r-- | synapse/storage/state.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/synapse/storage/state.py b/synapse/storage/state.py index ee531a2ce0..75c6366e7a 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -545,9 +545,10 @@ class StateGroupWorkerStore(SQLBaseStore): if state_key is None: type_to_key[typ] = None - # XXX: why do we mark the type as missing from our cache just - # because we weren't filtering on a specific value of state_key? - # is it because the cache doesn't handle wildcards? + # we mark the type as missing from the cache because + # when the cache was populated it might have been done with a + # restricted set of state_keys, so the wildcard will not work + # and the cache may be incomplete. missing_types.add(key) else: if type_to_key.get(typ, object()) is not None: |