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https://issues.apache.org/jira/browse/PIG-1030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Ding updated PIG-1030:
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Attachment: PIG-1030.patch
Add returns as suggested.
> explain and dump not working with two UDFs inside inner plan of foreach
> -----------------------------------------------------------------------
>
> Key: PIG-1030
> URL: https://issues.apache.org/jira/browse/PIG-1030
> Project: Pig
> Issue Type: Bug
> Reporter: Ying He
> Assignee: Richard Ding
> Attachments: PIG-1030.patch, PIG-1030.patch
>
>
> this scprit does not work
> register /homes/yinghe/owl/string.jar;
> a = load '/user/yinghe/a.txt' as (id, color);
> b = group a all;
> c = foreach b {
> d = distinct a.color;
> generate group, string.BagCount2(d), string.ColumnLen2(d, 0);
> }
> the udfs are regular, not algebraic.
> then if I call "dump c;" or "explain c", I would get this error message.
> ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2019: Expected to find plan
> with single leaf. Found 2 leaves.
> The error only occurs for the first time, after getting this error, if I call
> "dump c" or "explain c" again, it would succeed.
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