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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2641) Create toJSON function for all complex types: tuples, bags and maps
Date Sun, 17 Feb 2013 07:45:33 GMT

    [ https://issues.apache.org/jira/browse/PIG-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580135#comment-13580135
] 

Gunther Hagleitner commented on PIG-2641:
-----------------------------------------

- The test file only seems to test the json loader but not the actual ToJson function
- The json test input file doesn't seem to have all possible types
- There's already a TOMAP function - just wondering if the naming should be TOJSON
- There's copied code from JsonStorage. For easier maintenance, can you refactor to have both
use the same code?
- I'm not sure about the bytearray datatype. It uses "toString" which will interpret the data
as utf8 characters and return null if it's not legal UTF8. Is that the right thing to do for
JSON? Base64? Refuse bytearray since Json doesn't support it?
                
> 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: 0.12
>         Environment: Foggy. Damn foggy.
>            Reporter: Russell Jurney
>            Assignee: Russell Jurney
>              Labels: chararray, fun, happy, input, json, output, pants, pig, piggybank,
string, wonderdog
>             Fix For: 0.12
>
>         Attachments: PIG-2641.patch
>
>   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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