Add update delta for schema change

synapse/storage/__init__.py

@@ -67,7 +67,7 @@ SCHEMAS = [
 
 # Remember to update this number every time an incompatible change is made to
 # database schema files, so the users will be informed on server restarts.
-SCHEMA_VERSION = 7
+SCHEMA_VERSION = 8
 
 
 class _RollbackButIsFineException(Exception):

synapse/storage/schema/delta/v8.sql

@@ -0,0 +1,34 @@
+/* Copyright 2014 OpenMarket Ltd
+ *
+ * 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.
+ */
+
+ CREATE TABLE IF NOT EXISTS event_signatures_2 (
+    event_id TEXT,
+    signature_name TEXT,
+    key_id TEXT,
+    signature BLOB,
+    CONSTRAINT uniqueness UNIQUE (event_id, signature_name, key_id)
+);
+
+INSERT INTO event_signatures_2 (event_id, signature_name, key_id, signature)
+SELECT event_id, signature_name, key_id, signature FROM event_signatures;
+
+DROP TABLE event_signatures;
+ALTER TABLE event_signatures_2 RENAME TO event_signatures;
+
+CREATE INDEX IF NOT EXISTS event_signatures_id ON event_signatures (
+    event_id
+);
+
+PRAGMA user_version = 8;