filterO2.setParameter(TPCHQuery3.YEAR_FILTER, 1993);
filterO2.setParameter(TPCHQuery3.PRIO_FILTER, "5");
// create JoinOperator for joining Orders and LineItems
@SuppressWarnings("unchecked")
JoinOperator joinLiO = JoinOperator.builder(new JoinLiO(), LongValue.class, 0, 0)
.input1(filterO2, filterO1)
.input2(lineitems)
.name("JoinLiO")
.build();