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https://issues.apache.org/jira/browse/PIG-1751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai resolved PIG-1751.
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Resolution: Fixed
Hadoop Flags: [Reviewed]
> New logical plan: PushDownForEachFlatten fail in UDF with unknown output
> schema
> -------------------------------------------------------------------------------
>
> Key: PIG-1751
> URL: https://issues.apache.org/jira/browse/PIG-1751
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.8.0
>
> Attachments: PIG-1751-1.patch
>
>
> The following script fail:
> {code}
> a = load '1.txt' as (a0:chararray);
> b = load '2.txt' as (b0:chararray);
> c = foreach b generate flatten(STRSPLIT(b0)) as c0;
> d = join c by c0, a by a0;
> dump d;
> {code}
> Error message:
> Caused by: java.lang.NullPointerException
> at
> org.apache.pig.newplan.logical.rules.PushDownForEachFlatten$PushDownForEachFlattenTransformer.getNonFlattenFieldUids(PushDownForEachFlatten.java:186)
> at
> org.apache.pig.newplan.logical.rules.PushDownForEachFlatten$PushDownForEachFlattenTransformer.check(PushDownForEachFlatten.java:101)
> at
> org.apache.pig.newplan.optimizer.PlanOptimizer.optimize(PlanOptimizer.java:108)
> ... 13 more
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