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https://issues.apache.org/jira/browse/CALCITE-4644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17369151#comment-17369151
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Rafay A commented on CALCITE-4644:
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[~julianhyde] I have a code written for that as well. I need to clean it up and
push it as a separate patch. I opened a new ticket for that. The plan is once
we have support for parsing and validating the percentile functions, we can
write a rule to rewrite the percentile functions into an equivalent logical
subplan. I am using Postgres to validate my results. I will add the execution
tests as a part of CALCITE-4666.
> Add PERCENTILE_CONT and PERCENTILE_DISC aggregate functions
> -----------------------------------------------------------
>
> Key: CALCITE-4644
> URL: https://issues.apache.org/jira/browse/CALCITE-4644
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Rafay A
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Add percentile functions in the operator table.
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