Object res2 = udafEvaluator2.terminate(agg2);
ObjectInspector finalOutputOi = udafEvaluator2.init(Mode.FINAL, new ObjectInspector[] {partialOutputOi1});
AggregationBuffer agg3 = udafEvaluator2.getNewAggregationBuffer();
udafEvaluator2.merge(agg3, agg1);
udafEvaluator2.merge(agg3, agg2);
Object result = udafEvaluator2.terminate(agg3);
LOG.info("result = " + result);