diff options
Diffstat (limited to 'synapse/storage/state.py')
| -rw-r--r-- | synapse/storage/state.py | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/synapse/storage/state.py b/synapse/storage/state.py index ffa4246031..55159e64d0 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -198,8 +198,15 @@ class StateGroupWorkerStore(SQLBaseStore): def _get_state_groups_from_groups_txn(self, txn, groups, types=None): results = {group: {} for group in groups} + + include_other_types = False + if types is not None: - types = list(set(types)) # deduplicate types list + type_set = set(types) + if (None, None) in type_set: + include_other_types = True + type_set.remove((None, None)) + types = list(type_set) # deduplicate types list if isinstance(self.database_engine, PostgresEngine): # Temporarily disable sequential scans in this transaction. This is @@ -246,6 +253,17 @@ class StateGroupWorkerStore(SQLBaseStore): ) for etype, state_key in types ] + + if include_other_types: + # XXX: check whether this slows postgres down like a list of + # ORs does too? + unique_types = set([t for (t, _) in types]) + clause_to_args.append( + ( + "AND type <> ? " * len(unique_types), + list(unique_types) + ) + ) else: # If types is None we fetch all the state, and so just use an # empty where clause with no extra args. @@ -274,6 +292,14 @@ class StateGroupWorkerStore(SQLBaseStore): else: where_clauses.append("(type = ? AND state_key = ?)") where_args.extend([typ[0], typ[1]]) + + if include_other_types: + unique_types = set([t for (t, _) in types]) + where_clauses.append( + "(" + " AND ".join(["type <> ?"] * len(unique_types)) + ")" + ) + where_args.extend(list(unique_types)) + where_clause = "AND (%s)" % (" OR ".join(where_clauses)) else: where_clause = "" @@ -469,17 +495,27 @@ class StateGroupWorkerStore(SQLBaseStore): group: The state group to lookup types (list): List of 2-tuples of the form (`type`, `state_key`), where a `state_key` of `None` matches all state_keys for the - `type`. + `type`. Presence of type of `None` indicates that types not + in the list should not be filtered out. """ is_all, known_absent, state_dict_ids = self._state_group_cache.get(group) type_to_key = {} missing_types = set() + include_other_types = False + for typ, state_key in types: key = (typ, state_key) + + if typ is None: + include_other_types = True + next + 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? missing_types.add(key) else: if type_to_key.get(typ, object()) is not None: @@ -493,7 +529,7 @@ class StateGroupWorkerStore(SQLBaseStore): def include(typ, state_key): valid_state_keys = type_to_key.get(typ, sentinel) if valid_state_keys is sentinel: - return False + return include_other_types if valid_state_keys is None: return True if state_key in valid_state_keys: |