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https://issues.apache.org/jira/browse/IMPALA-5099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Behm resolved IMPALA-5099.
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    Resolution: Duplicate

> support percentile analytical functions
> ---------------------------------------
>
>                 Key: IMPALA-5099
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5099
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.6.0
>            Reporter: N Campbell
>
> While many database systems support percentile_cont/disc Impala does not. 
> Percentile_cont(0.5) could also be used to simulate median which Impala does 
> not support.



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