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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1274) Column pruning throws Null pointer exception
Date Wed, 03 Mar 2010 19:20:27 GMT

    [ https://issues.apache.org/jira/browse/PIG-1274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840816#action_12840816
] 

Daniel Dai commented on PIG-1274:
---------------------------------

In this particular case, R1.c, which is referred in join statement, does not exist in the
data file. So this script should fail. In general, we shall find a way to deal with missing
columns. We are discussing it on PIG-1188.

> Column pruning throws Null pointer exception
> --------------------------------------------
>
>                 Key: PIG-1274
>                 URL: https://issues.apache.org/jira/browse/PIG-1274
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Ankur
>            Assignee: Daniel Dai
>             Fix For: 0.7.0
>
>
> In case data has missing values for certain columns in a relation participating in a
join, column pruning throws null pointer exception.

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