valueTableDescs.add(valueTableDesc);
}
MapJoinOperator mapJoinOp = (MapJoinOperator)putOpInsertMap(OperatorFactory.getAndMakeChild(
new mapJoinDesc(keyExprMap, keyTableDesc, valueExprMap, valueTableDescs, outputColumnNames, mapJoinPos, joinCondns),
new RowSchema(outputRS.getColumnInfos()), newPar), outputRS);
mapJoinOp.getConf().setReversedExprs(op.getConf().getReversedExprs());
mapJoinOp.setColumnExprMap(colExprMap);