Add a partial index to `presence_stream` to speed up startups (#10748)

Signed-off-by: Sean Quah <seanq@element.io>

1 files changed, 18 insertions, 0 deletions

diff --git a/synapse/storage/schema/main/delta/63/04add_presence_stream_not_offline_index.sql b/synapse/storage/schema/main/delta/63/04add_presence_stream_not_offline_index.sql
new file mode 100644
index 0000000000..b90856004b
--- /dev/null
+++ b/synapse/storage/schema/main/delta/63/04add_presence_stream_not_offline_index.sql
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2021 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+INSERT INTO background_updates (ordering, update_name, progress_json) VALUES
+  (6304, 'presence_stream_not_offline_index', '{}');