Sliding Sync: Use Sliding Sync tables for sorting (#17693)

Use Sliding Sync tables for sorting
(`bulk_get_last_event_pos_in_room_before_stream_ordering(...)` ->
`_bulk_get_max_event_pos(...)`)

1 files changed, 0 insertions, 12 deletions

diff --git a/synapse/storage/databases/main/roommember.py b/synapse/storage/databases/main/roommember.py

index 1fc2d7ba1e..8bfa6254f3 100644
--- a/synapse/storage/databases/main/roommember.py
+++ b/synapse/storage/databases/main/roommember.py
@@ -51,7 +51,6 @@ from synapse.storage.database import (
     LoggingTransaction,
 )
 from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore
-from synapse.storage.databases.main.events_bg_updates import _BackgroundUpdates
 from synapse.storage.databases.main.events_worker import EventsWorkerStore
 from synapse.storage.engines import Sqlite3Engine
 from synapse.storage.roommember import (
@@ -1449,17 +1448,6 @@ class RoomMemberWorkerStore(EventsWorkerStore, CacheInvalidationWorkerStore):
             get_sliding_sync_rooms_for_user_txn,
         )
 
-    async def have_finished_sliding_sync_background_jobs(self) -> bool:
-        """Return if it's safe to use the sliding sync membership tables."""
-
-        return await self.db_pool.updates.have_completed_background_updates(
-            (
-                _BackgroundUpdates.SLIDING_SYNC_PREFILL_JOINED_ROOMS_TO_RECALCULATE_TABLE_BG_UPDATE,
-                _BackgroundUpdates.SLIDING_SYNC_JOINED_ROOMS_BG_UPDATE,
-                _BackgroundUpdates.SLIDING_SYNC_MEMBERSHIP_SNAPSHOTS_BG_UPDATE,
-            )
-        )
-
 
 class RoomMemberBackgroundUpdateStore(SQLBaseStore):
     def __init__(