[jira] [Created] (HIVE-23599) CUME_DIST should not return NULL when partitioning column is NULL

[Zoltan Haindrich (Jira)]

Zoltan Haindrich created HIVE-23599:
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             Summary: CUME_DIST should not return NULL when partitioning column 
is NULL
                 Key: HIVE-23599
                 URL: https://issues.apache.org/jira/browse/HIVE-23599
             Project: Hive
          Issue Type: Sub-task
            Reporter: Zoltan Haindrich


exposed by:
ql/src/test/results/clientpositive/llap/sketches_rewrite_cume_dist_partition_by.q.out

postgres also doesn't return NULLs in these cases

{code}
SELECT id,category, CUME_DIST() OVER (partition by category ORDER BY id) FROM 
sketch_input order by category,id;
{code}





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