[jira] [Updated] (KYLIN-2407) TPC-H query 20, why this query returns no result?

[" Kaige Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-2407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kaige Liu updated KYLIN-2407:
-----------------------------
    Attachment: KYLIN-2407.patch

Patch attached. Please help review. Thanks.

> TPC-H query 20, why this query returns no result?
> -------------------------------------------------
>
>                 Key: KYLIN-2407
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2407
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: liyang
>            Assignee:  Kaige Liu
>         Attachments: KYLIN-2407.patch
>
>
> Below query returns no result.
> {code}
> with tmp3 as (
>     select l_partkey, 0.5 * sum(l_quantity) as sum_quantity, l_suppkey
>     from v_lineitem
>     inner join supplier on l_suppkey = s_suppkey
>     inner join nation on s_nationkey = n_nationkey
>     inner join part on l_partkey = p_partkey
>     where l_shipdate >= '1992-01-01' and l_shipdate <= '1995-01-01'
>     and n_name = 'CANADA'
>     and p_name like 'forest%'
>     group by l_partkey, l_suppkey
> ),
> tmp5 as (
>     select
>         ps_suppkey
>     from
>         v_partsupp inner join tmp3 on ps_partkey = l_partkey and ps_suppkey = l_suppkey
>     where
>         ps_availqty > sum_quantity
> )
> select
>     s_name,
>     s_address
> from
>     supplier
> where
>     s_suppkey IN (select ps_suppkey from tmp5)
> order by s_name
> {code}
> While another similar query returns correct result.
> {code}
> with tmp3 as (
>     select l_partkey, 0.5 * sum(l_quantity) as sum_quantity, l_suppkey
>     from v_lineitem
>     inner join supplier on l_suppkey = s_suppkey
>     inner join nation on s_nationkey = n_nationkey
>     inner join part on l_partkey = p_partkey
>     where l_shipdate >= '1992-01-01' and l_shipdate <= '1995-01-01'
>     and n_name = 'CANADA'
>     and p_name like 'forest%'
>     group by l_partkey, l_suppkey
> )
> select
>     s_name,
>     s_address
> from
>     v_partsupp
>     inner join supplier on ps_suppkey = s_suppkey
>     inner join tmp3 on ps_partkey = l_partkey and ps_suppkey = l_suppkey
> where
>     ps_availqty > sum_quantity
> group by
>     s_name, s_address
> order by
>     s_name
> {code}
> Maybe something wrong with the "where ... IN ..." clause?



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