[jira] [Comment Edited] (MADLIB-1016) k-mean & decision Tree don't work because of array_agg in order by clause

["Frank McQuillan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MADLIB-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15493919#comment-15493919 ] 

Frank McQuillan edited comment on MADLIB-1016 at 1/26/17 7:39 PM:
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I am going to mark this to review for v2.0 release to see if there is anything we want to do.


was (Author: fmcquillan):
I am going to mark this for 1.9.2 release.

> k-mean & decision Tree don't work because of array_agg in order by clause
> -------------------------------------------------------------------------
>
>                 Key: MADLIB-1016
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1016
>             Project: Apache MADlib
>          Issue Type: Improvement
>          Components: Module: Array Ops
>    Affects Versions: v1.9
>            Reporter: medart
>            Priority: Minor
>             Fix For: v2.0
>
>
> When we try to use k-mean function or decision tree the same error appear.
> ERROR:  plpy.SPIError: ORDER BY specified, but array_agg is not an ordered aggregate function (plpython.c:4648)
> For information we use Madlib 1.9.1 with Pivotal Greenplum, and we use the example data as shown in the official documentatio.
> The regression work great nad we didint try all the algorithme yet, to see if the problem apprear in the other methods.
> Thank you for your help



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