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

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.9.1
• Fix Version/s: 1.10.0
• Component/s: Table SQL / Planner
• Assignee: Leonard Xu
• Reporter: Leonard Xu
• Created: 21/Nov/19 12:58
• Updated: 22/Nov/19 06:36
• Resolved: 22/Nov/19 06:36

Description

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：

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

correct result:

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

our result:

||||||||1019789218.690000000000000000|1  //rollup row
||||||||3113996.920000000000000000|1
||||||||1628997.000000000000000000|2
||||||||596191.740000000000000000|3

 

 

Issue Links

• is a child of: FLINK-11491 Support all TPC-DS queries
• is duplicated by: FLINK-14924 CsvTableSource can not config empty column as null