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