{
BlockIterable orderStatusBlockIterable = getBlockIterable("orders", "orderstatus", BlocksFileEncoding.RAW);
BlockIterable totalPriceBlockIterable = getBlockIterable("orders", "totalprice", BlocksFileEncoding.RAW);
AlignmentOperatorFactory alignmentOperator = new AlignmentOperatorFactory(0, orderStatusBlockIterable, totalPriceBlockIterable);
HashAggregationOperatorFactory aggregationOperator = new HashAggregationOperatorFactory(1,
ImmutableList.of(alignmentOperator.getTupleInfos().get(0)),
Ints.asList(0),
Step.SINGLE,
ImmutableList.of(aggregation(DOUBLE_SUM, new Input(1))),
100_000);