Johndee Burks created HIVE-13936:
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             Summary: Add streaming support for row_number
                 Key: HIVE-13936
                 URL: https://issues.apache.org/jira/browse/HIVE-13936
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
            Reporter: Johndee Burks


Without this support row_number will cause heap issues in reducers. Example 
query below against 10 million records will cause failure. 

{code}
select a, row_number() over (partition by a order by a desc) as row_num from 
j100mil;
{code}

Same issue different function in JIRA HIVE-7062



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