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From "John Sichi (JIRA)" <>
Subject [jira] Commented: (HIVE-1549) Add ANSI SQL correlation aggregate function CORR(X,Y).
Date Thu, 19 Aug 2010 20:05:19 GMT


John Sichi commented on HIVE-1549:

Hi Pierre,

I applied your patch (after resolving some trivial conflicts with a recent context_ngrams
checkin from Mayank) but hit some test failures due to test output diffs from other changes
which got committed recently in HIVE-1548 (not a problem in your patch).

Could you upload a new patch which resolves the conflicts and updates the test output to match
latest trunk?

> Add ANSI SQL correlation aggregate function CORR(X,Y).
> ------------------------------------------------------
>                 Key: HIVE-1549
>                 URL:
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>    Affects Versions: 0.7.0
>            Reporter: Pierre Huyn
>            Assignee: Pierre Huyn
>             Fix For: 0.7.0
>         Attachments: HIVE-1549.1.patch, HIVE-1549.2.patch
>   Original Estimate: 120h
>  Remaining Estimate: 120h
> Aggregate function that computes the Pearson's coefficient of correlation between a set
of number pairs.

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