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https://issues.apache.org/jira/browse/HIVE-13072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15180176#comment-15180176
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Ashutosh Chauhan commented on HIVE-13072:
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HIVE-11583 may have fixed this too.
> ROW_NUMBER() function creates wrong results
> -------------------------------------------
>
> Key: HIVE-13072
> URL: https://issues.apache.org/jira/browse/HIVE-13072
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.1.0
> Reporter: Philipp Brandl
> Assignee: Yongzhi Chen
>
> When using ROW_NUMBER() on tables with more than 25000 rows, the function
> ROW_NUMBER() duplicates rows with separate row numbers.
> Reproduce by using a large table with more than 25000 rows with distinct
> values and then using a query involving ROW_NUMBER(). It will then result in
> getting the same distinct values twice with separate row numbers apart by
> 25000.
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