1 files changed, 37 insertions, 0 deletions
diff --git a/synapse/storage/schema/delta/40/event_push_summary.sql b/synapse/storage/schema/delta/40/event_push_summary.sql
new file mode 100644
index 0000000000..3918f0b794
--- /dev/null
+++ b/synapse/storage/schema/delta/40/event_push_summary.sql
@@ -0,0 +1,37 @@
+/* Copyright 2017 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.
+ */
+
+-- Aggregate of old notification counts that have been deleted out of the
+-- main event_push_actions table. This count does not include those that were
+-- highlights, as they remain in the event_push_actions table.
+CREATE TABLE event_push_summary (
+    user_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    notif_count BIGINT NOT NULL,
+    stream_ordering BIGINT NOT NULL
+);
+
+CREATE INDEX event_push_summary_user_rm ON event_push_summary(user_id, room_id);
+
+
+-- The stream ordering up to which we have aggregated the event_push_actions
+-- table into event_push_summary
+CREATE TABLE event_push_summary_stream_ordering (
+    Lock CHAR(1) NOT NULL DEFAULT 'X' UNIQUE,  -- Makes sure this table only has one row.
+    stream_ordering BIGINT NOT NULL,
+    CHECK (Lock='X')
+);
+
+INSERT INTO event_push_summary_stream_ordering (stream_ordering) VALUES (0);