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https://issues.apache.org/jira/browse/PIG-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13250509#comment-13250509
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Russell Jurney commented on PIG-2641:
-------------------------------------
EvalFuncs do not have access to Tuple field names. Without access to the
schema, this feature seems impossible.
> Create toJSON function for all complex types: tuples, bags and maps
> -------------------------------------------------------------------
>
> Key: PIG-2641
> URL: https://issues.apache.org/jira/browse/PIG-2641
> Project: Pig
> Issue Type: New Feature
> Components: piggybank
> Affects Versions: 0.11, 0.10.1
> Environment: Foggy. Damn foggy.
> Reporter: Russell Jurney
> Labels: chararray, fun, happy, input, json, output, pants, pig,
> piggybank, string, wonderdog
> Fix For: 0.10.0, 0.11
>
> Original Estimate: 96h
> Remaining Estimate: 96h
>
> It is a travesty that there are no UDFs in Piggybanks that, given an
> arbitrary Pig datatype, return a JSON string of same. I intend to fix this
> problem.
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