feature: TPCH(10G) Q22 Query performance optimization #1138
Description
Is your feature request related to a problem? Please describe.
No query result is displayed after 1 hour
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Additional context
select
cntrycode,
count(*) as numcust,
sum(c_acctbal) as totacctbal
from
(
select
substring(c_phone from 1 for 2) as cntrycode,
c_acctbal
from
customer
where
substring(c_phone from 1 for 2) in
('20', '40', '22', '30', '39', '42', '21')
and c_acctbal > (
select
avg(c_acctbal)
from
customer
where
c_acctbal > 0.00
and substring(c_phone from 1 for 2) in
('20', '40', '22', '30', '39', '42', '21')
)
and not exists (
select
*
from
orders
where
o_custkey = c_custkey
)
) as custsale
group by
cntrycode
order by
cntrycode;