[jira] [Updated] (DRILL-7108) With statistics enabled TPCH 16 has two additional exchange operators

["Aman Sinha (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-7108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aman Sinha updated DRILL-7108:
------------------------------
    Reviewer: Aman Sinha
     Summary: With statistics enabled TPCH 16 has two additional exchange operators  (was: Statistics adds two exchange operators)

> With statistics enabled TPCH 16 has two additional exchange operators
> ---------------------------------------------------------------------
>
>                 Key: DRILL-7108
>                 URL: https://issues.apache.org/jira/browse/DRILL-7108
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.16.0
>            Reporter: Robert Hou
>            Assignee: Gautam Parai
>            Priority: Major
>             Fix For: 1.16.0
>
>
> TPCH 16 with sf 100 runs 14% slower.  Here is the query:
> {noformat}
> select
>   p.p_brand,
>   p.p_type,
>   p.p_size,
>   count(distinct ps.ps_suppkey) as supplier_cnt
> from
>   partsupp ps,
>   part p
> where
>   p.p_partkey = ps.ps_partkey
>   and p.p_brand <> 'Brand#21'
>   and p.p_type not like 'MEDIUM PLATED%'
>   and p.p_size in (38, 2, 8, 31, 44, 5, 14, 24)
>   and ps.ps_suppkey not in (
>     select
>       s.s_suppkey
>     from
>       supplier s
>     where
>       s.s_comment like '%Customer%Complaints%'
>   )
> group by
>   p.p_brand,
>   p.p_type,
>   p.p_size
> order by
>   supplier_cnt desc,
>   p.p_brand,
>   p.p_type,
>   p.p_size;
> {noformat}



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