[jira] [Created] (HIVE-13768) Distinct functions don't work properly after hive.map.groupby.sorted is default to true

[Aihua Xu (JIRA)]

Aihua Xu created HIVE-13768:
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             Summary: Distinct functions don't work properly after 
hive.map.groupby.sorted is default to true
                 Key: HIVE-13768
                 URL: https://issues.apache.org/jira/browse/HIVE-13768
             Project: Hive
          Issue Type: Bug
          Components: Query Planning
    Affects Versions: 2.0.0
            Reporter: Aihua Xu
            Assignee: Aihua Xu


HIVE-12325 changes hive.map.groupby.sorted default value to true. The following 
{{select count(distinct) from t1;}} will return incorrect result now. In the 
older version, if you set hive.map.groupby.sorted to true, seems it will also 
return incorrect result.





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