1 files changed, 24 insertions, 0 deletions
diff --git a/synapse/storage/schema/main/delta/85/07_sliding_sync.sql b/synapse/storage/schema/main/delta/85/07_sliding_sync.sql
new file mode 100644
index 0000000000..e8bc33ff40
--- /dev/null
+++ b/synapse/storage/schema/main/delta/85/07_sliding_sync.sql
@@ -0,0 +1,24 @@
+--
+-- This file is licensed under the Affero General Public License (AGPL) version 3.
+--
+-- Copyright (C) 2024 New Vector, Ltd
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as
+-- published by the Free Software Foundation, either version 3 of the
+-- License, or (at your option) any later version.
+--
+-- See the GNU Affero General Public License for more details:
+-- <https://www.gnu.org/licenses/agpl-3.0.html>.
+
+-- A table that maps from room ID to metadata useful for sliding sync.
+CREATE TABLE sliding_sync_room_metadata (
+    room_id TEXT NOT NULL PRIMARY KEY,
+
+    -- The instance_name / stream ordering of the last event in the room.
+    instance_name TEXT NOT NULL,
+    last_stream_ordering BIGINT NOT NULL
+);
+
+INSERT INTO background_updates (ordering, update_name, progress_json) VALUES
+    (8507, 'sliding_sync_room_metadata', '{}');