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https://issues.apache.org/jira/browse/PIG-1550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12905731#action_12905731
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Olga Natkovich commented on PIG-1550:
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+1, looks good
> better error handling in casting relations to scalars
> -----------------------------------------------------
>
> Key: PIG-1550
> URL: https://issues.apache.org/jira/browse/PIG-1550
> Project: Pig
> Issue Type: Bug
> Reporter: Olga Natkovich
> Assignee: Thejas M Nair
> Fix For: 0.8.0
>
> Attachments: PIG-1550.1.patch
>
>
> I ran the following script:
> Input data:
> joe 100
> sam 20
> bob 134
> Script:
> A = load 'user_clicks' as (user: chararray, clicks: int);
> B = group A by user;
> C = foreach A generate group, SUM(A.clicks);
> D = foreach A generate clicks/(double)C.$1;
> dump C;
> Since C contains more than 1 tuple, I expected to get an error which I did.
> However, the error was not very clear. When the job failed, I did see a valid
> error (however it lacked the error code): 210630 [main] ERROR
> org.apache.pig.tools.pigstats.PigStats - ERROR 0: Scalar has more than one
> row in the output
> However at the end of processing, I saw a misleading error:
> 210709 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2088: Unable to
> get results for:
> hdfs://wilbur20.labs.corp.sp1.yahoo.com:9020/tmp/temp818551960/tmp1063730945:org.apache.pig.impl.io.InterStorage
> 10/08/19 17:16:22 ERROR grunt.Grunt: ERROR 2088: Unable to get results for:
> hdfs://wilbur20.labs.corp.sp1.yahoo.com:9020/tmp/temp818551960/tmp1063730945:org.apache.pig.impl.io.InterStorage
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