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https://issues.apache.org/jira/browse/PIG-5048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15609943#comment-15609943
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Daniel Dai commented on PIG-5048:
---------------------------------
Thanks for the patch. Several comments:
1. I'd like to return Integer.MAX_VALUE in size(), as the name
UnlimitedNullTuple suggests
2. I'd rather not change other method if not causing problem
3. Can you add test case?
> HiveUDTF fail if it is the first expression in projection
> ---------------------------------------------------------
>
> Key: PIG-5048
> URL: https://issues.apache.org/jira/browse/PIG-5048
> Project: Pig
> Issue Type: Bug
> Components: impl
> Reporter: Daniel Dai
> Assignee: Nandor Kollar
> Fix For: 0.17.0, 0.16.1
>
> Attachments: PIG-5048.patch
>
>
> The following script fail:
> {code}
> define explode HiveUDTF('explode');
> A = load 'bag.txt' as (a0:{(b0:chararray)});
> B = foreach A generate explode(a0);
> dump B;
> {code}
> Message: Unimplemented at
> org.apache.pig.data.UnlimitedNullTuple.size(UnlimitedNullTuple.java:31)
> If it is not the first projection, the script pass:
> {code}
> define explode HiveUDTF('explode');
> A = load 'bag.txt' as (a0:{(b0:chararray)});
> B = foreach A generate a0, explode(a0);
> dump B;
> {code}
> Thanks [~nkollar] reporting it!
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