2 files changed, 6 insertions, 0 deletions
diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py
index 6f75245fa7..00dbae7b60 100644
--- a/synapse/storage/engines/postgres.py
+++ b/synapse/storage/engines/postgres.py
@@ -39,3 +39,6 @@ class PostgresEngine(object):
         if isinstance(error, self.module.DatabaseError):
             return error.pgcode in ["40001", "40P01"]
         return False
+
+    def is_connection_closed(self, conn):
+        return bool(conn)
diff --git a/synapse/storage/engines/sqlite3.py b/synapse/storage/engines/sqlite3.py
index 72c11df461..39828a597c 100644
--- a/synapse/storage/engines/sqlite3.py
+++ b/synapse/storage/engines/sqlite3.py
@@ -35,3 +35,6 @@ class Sqlite3Engine(object):
 
     def is_deadlock(self, error):
         return False
+
+    def is_connection_closed(self, conn):
+        return False