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https://issues.apache.org/jira/browse/PIG-2315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134274#comment-13134274
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Daniel Dai commented on PIG-2315:
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I had a discussion with Thejas before, we want to perform the "as" cast after
we evaluate the generated item:
A1 = foreach A1 generate (int)a as a:chararray;
=> A1 = foreach A1 generate (chararray)((int)a) as a;
> Make as clause work in generate
> -------------------------------
>
> Key: PIG-2315
> URL: https://issues.apache.org/jira/browse/PIG-2315
> Project: Pig
> Issue Type: Bug
> Reporter: Olga Natkovich
>
> Currently, the following syntax is supported and ignored causing confusing
> with users:
> A1 = foreach A1 generate a as a:chararray ;
> After this statement a just retains its previous type
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