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From "Rekha Joshi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-7137) Add checkInputColumn back to Params and print more info
Date Fri, 08 May 2015 21:42:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-7137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535624#comment-14535624
] 

Rekha Joshi commented on SPARK-7137:
------------------------------------

Sorry [~gweidner] , [~josephkb] just saw it was unassigned when i created the patch.thanks

> Add checkInputColumn back to Params and print more info
> -------------------------------------------------------
>
>                 Key: SPARK-7137
>                 URL: https://issues.apache.org/jira/browse/SPARK-7137
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.4.0
>            Reporter: Joseph K. Bradley
>            Priority: Trivial
>
> In the PR for [https://issues.apache.org/jira/browse/SPARK-5957], Params.checkInputColumn
was moved to SchemaUtils and renamed to checkColumnType.  The downside is that it no longer
has access to the parameter info, so it cannot state which input column parameter was incorrect.
> We should keep checkColumnType but also add checkInputColumn back to Params.  It should
print out the parameter name and description.  Internally, it may call checkColumnType.



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