Implements a task scheduler for resumable potentially long running tasks (#15891)

2 files changed, 29 insertions, 0 deletions

diff --git a/synapse/storage/schema/__init__.py b/synapse/storage/schema/__init__.py
index 7de9949a5b..649d3c8e9f 100644
--- a/synapse/storage/schema/__init__.py
+++ b/synapse/storage/schema/__init__.py
@@ -113,6 +113,7 @@ Changes in SCHEMA_VERSION = 79
 
 Changes in SCHEMA_VERSION = 80
     - The event_txn_id_device_id is always written to for new events.
+    - Add tables for the task scheduler.
 """
 
 
diff --git a/synapse/storage/schema/main/delta/80/02_scheduled_tasks.sql b/synapse/storage/schema/main/delta/80/02_scheduled_tasks.sql
new file mode 100644
index 0000000000..286d109ed7
--- /dev/null
+++ b/synapse/storage/schema/main/delta/80/02_scheduled_tasks.sql
@@ -0,0 +1,28 @@
+/* Copyright 2023 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.
+ */
+
+-- cf ScheduledTask docstring for the meaning of the fields.
+CREATE TABLE IF NOT EXISTS scheduled_tasks(
+    id TEXT PRIMARY KEY,
+    action TEXT NOT NULL,
+    status TEXT NOT NULL,
+    timestamp BIGINT NOT NULL,
+    resource_id TEXT,
+    params TEXT,
+    result TEXT,
+    error TEXT
+);
+
+CREATE INDEX IF NOT EXISTS scheduled_tasks_status ON scheduled_tasks(status);