GroupByOperator mGop = OperatorUtils.findMapSideGb(gop); if(mGop != null) { containsGroupingSet = mGop.getConf().isGroupingSetsPresent();
GroupByOperator mGop = OperatorUtils.findMapSideGb(gop); if(mGop != null) { containsGroupingSet = mGop.getConf().isGroupingSetsPresent();