diff --git a/synapse/storage/databases/main/__init__.py b/synapse/storage/databases/main/__init__.py
index e22aa0b9bc..9ff2d8d8c3 100644
--- a/synapse/storage/databases/main/__init__.py
+++ b/synapse/storage/databases/main/__init__.py
@@ -154,6 +154,7 @@ class DataStore(
db_conn, "local_group_updates", "stream_id"
)
+ self._cache_id_gen: Optional[MultiWriterIdGenerator]
if isinstance(self.database_engine, PostgresEngine):
# We set the `writers` to an empty list here as we don't care about
# missing updates over restarts, as we'll not have anything in our
diff --git a/synapse/storage/databases/main/directory.py b/synapse/storage/databases/main/directory.py
index 25131b1ea9..a3442814d7 100644
--- a/synapse/storage/databases/main/directory.py
+++ b/synapse/storage/databases/main/directory.py
@@ -13,18 +13,18 @@
# limitations under the License.
from collections import namedtuple
-from typing import Iterable, List, Optional
+from typing import Iterable, List, Optional, Tuple
from synapse.api.errors import SynapseError
-from synapse.storage._base import SQLBaseStore
from synapse.storage.database import LoggingTransaction
+from synapse.storage.databases.main import CacheInvalidationWorkerStore
from synapse.types import RoomAlias
from synapse.util.caches.descriptors import cached
RoomAliasMapping = namedtuple("RoomAliasMapping", ("room_id", "room_alias", "servers"))
-class DirectoryWorkerStore(SQLBaseStore):
+class DirectoryWorkerStore(CacheInvalidationWorkerStore):
async def get_association_from_room_alias(
self, room_alias: RoomAlias
) -> Optional[RoomAliasMapping]:
@@ -92,7 +92,7 @@ class DirectoryWorkerStore(SQLBaseStore):
creator: Optional user_id of creator.
"""
- def alias_txn(txn):
+ def alias_txn(txn: LoggingTransaction) -> None:
self.db_pool.simple_insert_txn(
txn,
"room_aliases",
@@ -176,9 +176,9 @@ class DirectoryStore(DirectoryWorkerStore):
If None, the creator will be left unchanged.
"""
- def _update_aliases_for_room_txn(txn):
+ def _update_aliases_for_room_txn(txn: LoggingTransaction) -> None:
update_creator_sql = ""
- sql_params = (new_room_id, old_room_id)
+ sql_params: Tuple[str, ...] = (new_room_id, old_room_id)
if creator:
update_creator_sql = ", creator = ?"
sql_params = (new_room_id, creator, old_room_id)
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