Delete old received_transactions

synapse/storage/schema/delta/34/received_txn_purge.py

@@ -0,0 +1,32 @@
+# Copyright 2016 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.
+
+from synapse.storage.engines import PostgresEngine
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def run_create(cur, database_engine, *args, **kwargs):
+    if isinstance(database_engine, PostgresEngine):
+        cur.execute("TRUNCATE received_transactions")
+    else:
+        cur.execute("DELETE FROM received_transactions")
+
+    cur.execute("CREATE INDEX received_transactions_ts ON received_transactions(ts)")
+
+
+def run_upgrade(cur, database_engine, *args, **kwargs):
+    pass