avoid reference error

hhyo · Aug 14, 2023 · df98020 · df98020
1 parent 1028c06
commit df98020
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/sql/engines/oracle.py b/sql/engines/oracle.py
@@ -28,8 +28,9 @@ class OracleEngine(EngineBase):
 
     def __init__(self, instance=None):
         super(OracleEngine, self).__init__(instance=instance)
-        self.service_name = instance.service_name
-        self.sid = instance.sid
+        if instance:
+            self.service_name = instance.service_name
+            self.sid = instance.sid
 
     def get_connection(self, db_name=None):
         if self.conn: