Fix to work with SQLite

synapse/storage/room.py

@@ -19,6 +19,7 @@ from synapse.api.errors import StoreError
 
 from ._base import SQLBaseStore
 from synapse.util.caches.descriptors import cachedInlineCallbacks
+from .engines import PostgresEngine
 
 import collections
 import logging
@@ -202,10 +203,16 @@ class RoomStore(SQLBaseStore):
             )
 
     def _store_event_search_txn(self, txn, event, key, value):
+        if isinstance(self.database_engine, PostgresEngine):
             sql = (
                 "INSERT INTO event_search (event_id, room_id, key, vector)"
                 " VALUES (?,?,?,to_tsvector('english', ?))"
             )
+        else:
+            sql = (
+                "INSERT INTO event_search (event_id, room_id, key, value)"
+                " VALUES (?,?,?,?)"
+            )
 
         txn.execute(sql, (event.event_id, event.room_id, key, value,))