diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py
index 06832221ad..c3440de2cb 100644
--- a/synapse/storage/databases/main/events.py
+++ b/synapse/storage/databases/main/events.py
@@ -15,7 +15,7 @@
# limitations under the License.
import itertools
import logging
-from collections import OrderedDict, namedtuple
+from collections import OrderedDict
from typing import (
TYPE_CHECKING,
Any,
@@ -41,9 +41,10 @@ from synapse.events.snapshot import EventContext # noqa: F401
from synapse.logging.utils import log_function
from synapse.storage._base import db_to_json, make_in_list_sql_clause
from synapse.storage.database import DatabasePool, LoggingTransaction
+from synapse.storage.databases.main.events_worker import EventCacheEntry
from synapse.storage.databases.main.search import SearchEntry
from synapse.storage.types import Connection
-from synapse.storage.util.id_generators import MultiWriterIdGenerator
+from synapse.storage.util.id_generators import AbstractStreamIdGenerator
from synapse.storage.util.sequence import SequenceGenerator
from synapse.types import StateMap, get_domain_from_id
from synapse.util import json_encoder
@@ -64,9 +65,6 @@ event_counter = Counter(
)
-_EventCacheEntry = namedtuple("_EventCacheEntry", ("event", "redacted_event"))
-
-
@attr.s(slots=True)
class DeltaState:
"""Deltas to use to update the `current_state_events` table.
@@ -108,16 +106,21 @@ class PersistEventsStore:
self._ephemeral_messages_enabled = hs.config.server.enable_ephemeral_messages
self.is_mine_id = hs.is_mine_id
- # Ideally we'd move these ID gens here, unfortunately some other ID
- # generators are chained off them so doing so is a bit of a PITA.
- self._backfill_id_gen: MultiWriterIdGenerator = self.store._backfill_id_gen
- self._stream_id_gen: MultiWriterIdGenerator = self.store._stream_id_gen
-
# This should only exist on instances that are configured to write
assert (
hs.get_instance_name() in hs.config.worker.writers.events
), "Can only instantiate EventsStore on master"
+ # Since we have been configured to write, we ought to have id generators,
+ # rather than id trackers.
+ assert isinstance(self.store._backfill_id_gen, AbstractStreamIdGenerator)
+ assert isinstance(self.store._stream_id_gen, AbstractStreamIdGenerator)
+
+ # Ideally we'd move these ID gens here, unfortunately some other ID
+ # generators are chained off them so doing so is a bit of a PITA.
+ self._backfill_id_gen: AbstractStreamIdGenerator = self.store._backfill_id_gen
+ self._stream_id_gen: AbstractStreamIdGenerator = self.store._stream_id_gen
+
async def _persist_events_and_state_updates(
self,
events_and_contexts: List[Tuple[EventBase, EventContext]],
@@ -1553,11 +1556,13 @@ class PersistEventsStore:
for row in rows:
event = ev_map[row["event_id"]]
if not row["rejects"] and not row["redacts"]:
- to_prefill.append(_EventCacheEntry(event=event, redacted_event=None))
+ to_prefill.append(EventCacheEntry(event=event, redacted_event=None))
def prefill():
for cache_entry in to_prefill:
- self.store._get_event_cache.set((cache_entry[0].event_id,), cache_entry)
+ self.store._get_event_cache.set(
+ (cache_entry.event.event_id,), cache_entry
+ )
txn.call_after(prefill)
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