diff --git a/src/test/resources/config/sqlserver_multiple_key_array.json b/src/test/resources/config/sqlserver_multiple_key_array.json
index d85ae41..e844e87 100644
--- a/src/test/resources/config/sqlserver_multiple_key_array.json
+++ b/src/test/resources/config/sqlserver_multiple_key_array.json
@@ -34,7 +34,10 @@
         }
       ],
       "queryInfo" : {
-        "query": "select object_name,instance_name, counter_name, cntr_value from sys.dm_os_performance_counters where ( counter_name = 'Data File(s) Size (KB)' or counter_name = 'Log File(s) Size (KB)' ) AND object_name = 'SQLServer:Databases'"
+        "query": "select object_name,instance_name, counter_name, cntr_value from sys.dm_os_performance_counters where ( counter_name = 'Data File(s) Size (KB)' or counter_name = 'Log File(s) Size (KB)' ) AND object_name = 'SQLServer:Databases'",
+        "extend" : {
+
+        }
       },
       "mappingInfo" : {
         "parseDirection" : "row",