[jira] [Created] (FLINK-14895) same rank in rollup row with group row that all group key are null

[Shang Yuanchun (Jira)]

Leonard Xu created FLINK-14895:
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             Summary: same rank in rollup row with group row that all group key are null
                 Key: FLINK-14895
                 URL: https://issues.apache.org/jira/browse/FLINK-14895
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner
    Affects Versions: 1.9.1
            Reporter: Leonard Xu
             Fix For: 1.10.0


Same rank in rollup row with group row that all group key are null, in tcp-ds query 67,  the rank of our result is incorrect with other DB system.

SQL：
{code:java}
select  *
from (select i_category
            ,i_class
            ,i_brand
            ,i_product_name
            ,d_year
            ,d_qoy
            ,d_moy
            ,s_store_id
            ,sumsales
            ,rank() over (partition by i_category order by sumsales desc) rk
      from (select i_category
                  ,i_class
                  ,i_brand
                  ,i_product_name
                  ,d_year
                  ,d_qoy
                  ,d_moy
                  ,s_store_id
                  ,sum(coalesce(ss_sales_price*ss_quantity,0)) sumsales
            from store_sales
                ,date_dim
                ,store
                ,item
       where  ss_sold_date_sk=d_date_sk
          and ss_item_sk=i_item_sk
          and ss_store_sk = s_store_sk
          and d_month_seq between 1200 and 1200+11
       group by  rollup(i_category, i_class, i_brand, i_product_name, d_year, d_qoy, d_moy,s_store_id))dw1) dw2
where rk <= 100
order by i_category
        ,i_class
        ,i_brand
        ,i_product_name
        ,d_year
        ,d_qoy
        ,d_moy
        ,s_store_id
        ,sumsales
        ,rk
limit 100
{code}
our result:
{code:java}
NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|596191.74|4
NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|1628997.00|3
NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|3113996.92|2
NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|1019789218.69|1  //rollup row
{code}
correct result:
{code:java}
||||||||1019789218.690000000000000000|1  //rollup row
||||||||3113996.920000000000000000|1
||||||||1628997.000000000000000000|2
||||||||596191.740000000000000000|3
{code}
 

 



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