2 files changed, 15 insertions, 1 deletions
diff --git a/synapse/storage/schema/im.sql b/synapse/storage/schema/im.sql
index 8ba732a23b..253f9f779b 100644
--- a/synapse/storage/schema/im.sql
+++ b/synapse/storage/schema/im.sql
@@ -32,6 +32,19 @@ CREATE INDEX IF NOT EXISTS events_stream_ordering ON events (stream_ordering);
 CREATE INDEX IF NOT EXISTS events_topological_ordering ON events (topological_ordering);
 CREATE INDEX IF NOT EXISTS events_room_id ON events (room_id);
 
+
+CREATE TABLE IF NOT EXISTS event_json(
+    event_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    internal_metadata NOT NULL,
+    json BLOB NOT NULL,
+    CONSTRAINT ev_j_uniq UNIQUE (event_id)
+);
+
+CREATE INDEX IF NOT EXISTS event_json_id ON event_json(event_id);
+CREATE INDEX IF NOT EXISTS event_json_room_id ON event_json(room_id);
+
+
 CREATE TABLE IF NOT EXISTS state_events(
     event_id TEXT NOT NULL,
     room_id TEXT NOT NULL,
diff --git a/synapse/storage/schema/state.sql b/synapse/storage/schema/state.sql
index 44f7aafb27..2c48d6daca 100644
--- a/synapse/storage/schema/state.sql
+++ b/synapse/storage/schema/state.sql
@@ -29,7 +29,8 @@ CREATE TABLE IF NOT EXISTS state_groups_state(
 
 CREATE TABLE IF NOT EXISTS event_to_state_groups(
     event_id TEXT NOT NULL,
-    state_group INTEGER NOT NULL
+    state_group INTEGER NOT NULL,
+    CONSTRAINT event_to_state_groups_uniq UNIQUE (event_id)
 );
 
 CREATE INDEX IF NOT EXISTS state_groups_id ON state_groups(id);