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https://issues.apache.org/jira/browse/DRILL-4566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15893194#comment-15893194
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ASF GitHub Bot commented on DRILL-4566:
---------------------------------------
Github user StevenMPhillips commented on the issue:
https://github.com/apache/drill/pull/456
There was a brief discussion on the drill-dev mailing list a few days after
this PR was posted. Unfortunately the discussion did not culminate in any
decision. The discussion was mainly around what syntax should we use for these
functions, since they are actually approximate functions.
If you want to revive the discussion, or propose a resolution, feel free to
pick up this PR and make sure it can rebase on latest drill master. I probably
won't be getting to it for at least a few weeks. But if someone else takes it
up and gets it into a mergeable state, and others in the community are in
agreement, I think we can merge it.
> Add TDigest functions for computing median and quantile
> -------------------------------------------------------
>
> Key: DRILL-4566
> URL: https://issues.apache.org/jira/browse/DRILL-4566
> Project: Apache Drill
> Issue Type: New Feature
> Reporter: Steven Phillips
> Assignee: Steven Phillips
>
> The tdigest library can be used by Drill to compute approximate value and
> percentiles with using too much memory or spilling to disk, which would be
> required to compute exactly.
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