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From "Richard Ding (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1656) TOBAG udfs ignores columns with null value; it does not use input type to determine output schema
Date Fri, 01 Oct 2010 23:44:32 GMT

    [ https://issues.apache.org/jira/browse/PIG-1656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917108#action_12917108
] 

Richard Ding commented on PIG-1656:
-----------------------------------

+1

> TOBAG  udfs ignores columns with null value;  it does not use input type to determine
output schema
> ---------------------------------------------------------------------------------------------------
>
>                 Key: PIG-1656
>                 URL: https://issues.apache.org/jira/browse/PIG-1656
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>             Fix For: 0.8.0
>
>         Attachments: PIG-1656.1.patch, PIG-1656.2.patch
>
>
> TOBAG udf ignores columns with null value
> {code}
> R4= foreach B generate $0,  TOBAG( id, null, id,null );
> grunt> dump R4;
> 1000    {(1),(1)}
> 1000    {(2),(2)}
> 1000    {(3),(3)}
> 1000    {(4),(4)}
> {code}
>  TOBAG does not use input type to determine output schema
> {code}
> grunt> B1 = foreach B generate TOBAG( 1, 2, 3);         
> grunt> describe B1;
> B1: {{null}}
> {code}

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