diff options
Diffstat (limited to 'synapse/storage/state.py')
| -rw-r--r-- | synapse/storage/state.py | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/synapse/storage/state.py b/synapse/storage/state.py index 989977c644..e38427bf9d 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -493,12 +493,6 @@ class StateGroupWorkerStore(SQLBaseStore): def _get_some_state_from_cache(self, group, types, filtered_types=None): """Checks if group is in cache. See `_get_state_for_groups` - Returns 3-tuple (`state_dict`, `missing_types`, `got_all`). - `missing_types` is the list of types that aren't in the cache for that - group. `got_all` is a bool indicating if we successfully retrieved all - requests state from the cache, if False we need to query the DB for the - missing state. - Args: group(int): The state group to lookup types(list[str, str|None]): List of 2-tuples of the form @@ -507,6 +501,11 @@ class StateGroupWorkerStore(SQLBaseStore): filtered_types(list[str]|None): Only apply filtering via `types` to this list of event types. Other types of events are returned unfiltered. If None, `types` filtering is applied to all events. + + Returns 2-tuple (`state_dict`, `got_all`). + `got_all` is a bool indicating if we successfully retrieved all + requests state from the cache, if False we need to query the DB for the + missing state. """ is_all, known_absent, state_dict_ids = self._state_group_cache.get(group) @@ -520,7 +519,7 @@ class StateGroupWorkerStore(SQLBaseStore): if ( state_key is None or - filtered_types is not None and typ not in filtered_types + (filtered_types is not None and typ not in filtered_types) ): type_to_key[typ] = None # we mark the type as missing from the cache because @@ -547,18 +546,17 @@ class StateGroupWorkerStore(SQLBaseStore): return True return False - if types == [] and filtered_types is not None: - # special wildcard case for empty type-list but an explicit filtered_types - # which means that we'll try to return all types which aren't in the - # filtered_types list. missing_types will always be empty, so we ignore it. - got_all = is_all - else: - got_all = is_all or not missing_types + got_all = is_all + if not got_all: + # the cache is incomplete. We may still have got all the results we need, if + # we don't have any wildcards in the match list. + if not missing_types and filtered_types is None: + got_all = True return { k: v for k, v in iteritems(state_dict_ids) if include(k[0], k[1]) - }, missing_types, got_all + }, got_all def _get_all_state_from_cache(self, group): """Checks if group is in cache. See `_get_state_for_groups` @@ -603,7 +601,7 @@ class StateGroupWorkerStore(SQLBaseStore): missing_groups = [] if types is not None: for group in set(groups): - state_dict_ids, _, got_all = self._get_some_state_from_cache( + state_dict_ids, got_all = self._get_some_state_from_cache( group, types, filtered_types ) results[group] = state_dict_ids |