tools/tpch-tools/queries/q10.sql

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-- Modified

select /*+SET_VAR(exec_mem_limit=8589934592, parallel_fragment_exec_instance_num=16, enable_vectorized_engine=true, batch_size=4096, disable_join_reorder=true, enable_cost_based_join_reorder=false, enable_projection=true) */
    c_custkey,
    c_name,
    sum(t1.l_extendedprice * (1 - t1.l_discount)) as revenue,
    c_acctbal,
    n_name,
    c_address,
    c_phone,
    c_comment
from
    customer,
    (
        select o_custkey,l_extendedprice,l_discount from lineitem, orders
        where l_orderkey = o_orderkey
        and o_orderdate >= date '1993-10-01'
        and o_orderdate < date '1993-10-01' + interval '3' month
        and l_returnflag = 'R'
    ) t1,
    nation
where
    c_custkey = t1.o_custkey
    and c_nationkey = n_nationkey
group by
    c_custkey,
    c_name,
    c_acctbal,
    c_phone,
    n_name,
    c_address,
    c_comment
order by
    revenue desc
limit 20;