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https://issues.apache.org/jira/browse/HIVE-25864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mahesh kumar behera resolved HIVE-25864.
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Resolution: Fixed
> Hive query optimisation creates wrong plan for predicate pushdown with
> windowing function
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-25864
> URL: https://issues.apache.org/jira/browse/HIVE-25864
> Project: Hive
> Issue Type: Bug
> Reporter: mahesh kumar behera
> Assignee: mahesh kumar behera
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> In case of a query with windowing function, the deterministic predicates are
> pushed down below the window function. Before pushing down, the predicate is
> converted to refer the project operator values. But the same conversion is
> done again while creating the project and thus causing wrong plan generation.
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