ObjectInspector inputOI;         private StandardListObjectInspector loi;         private StandardListObjectInspector internalMergeOI;          @Override         public ObjectInspector init(Mode m, ObjectInspector[] parameters)                 throws HiveException         {             super.init(m, parameters);             if (m == Mode.PARTIAL0)             {                 inputOI = (PrimitiveObjectInspector) parameters[0];                 return ObjectInspectorFactory                         .getStandardListObjectInspector(