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-rw-r--r--changelog.d/14643.bugfix1
-rw-r--r--synapse/storage/schema/main/delta/73/22_rebuild_user_dir_stats.sql29
2 files changed, 30 insertions, 0 deletions
diff --git a/changelog.d/14643.bugfix b/changelog.d/14643.bugfix
new file mode 100644
index 0000000000..8730b10afe
--- /dev/null
+++ b/changelog.d/14643.bugfix
@@ -0,0 +1 @@
+Fix a long-standing bug where the user directory and room/user stats might be out of sync.
diff --git a/synapse/storage/schema/main/delta/73/22_rebuild_user_dir_stats.sql b/synapse/storage/schema/main/delta/73/22_rebuild_user_dir_stats.sql
new file mode 100644
index 0000000000..afab1e4bb7
--- /dev/null
+++ b/synapse/storage/schema/main/delta/73/22_rebuild_user_dir_stats.sql
@@ -0,0 +1,29 @@
+/* Copyright 2022 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, depends_on) VALUES
+  -- Set up user directory staging tables.
+  (7322, 'populate_user_directory_createtables', '{}', NULL),
+  -- Run through each room and update the user directory according to who is in it.
+  (7322, 'populate_user_directory_process_rooms', '{}', 'populate_user_directory_createtables'),
+  -- Insert all users into the user directory, if search_all_users is on.
+  (7322, 'populate_user_directory_process_users', '{}', 'populate_user_directory_process_rooms'),
+  -- Clean up user directory staging tables.
+  (7322, 'populate_user_directory_cleanup', '{}', 'populate_user_directory_process_users'),
+  -- Rebuild the room_stats_current and room_stats_state tables.
+  (7322, 'populate_stats_process_rooms', '{}', NULL),
+  -- Update the user_stats_current table.
+  (7322, 'populate_stats_process_users', '{}', NULL)
+ON CONFLICT (update_name) DO NOTHING;