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https://issues.apache.org/jira/browse/PIG-1777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12974690#action_12974690
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Alan Gates commented on PIG-1777:
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The change to work for a generic InputFormat instead of just sequence files is
to have your loader take its InputFormat as a constructor argument instead hard
coding it. While in general InputFormats are not required to return Writables
I think it would be ok to say that an InputFormat used with this loader should
return both Writable key and value.
The next step for this will be to add a reference implementation and tesst. A
unit test that implements a loader in a scripting language would be fine.
> LoadFunc in a scripting language
> --------------------------------
>
> Key: PIG-1777
> URL: https://issues.apache.org/jira/browse/PIG-1777
> Project: Pig
> Issue Type: New Feature
> Reporter: John Meagher
> Fix For: 0.9.0
>
> Attachments: Initial-scripted-load.patch, Initial-scripted-load2.patch
>
>
> Provide a mechanism for loading custom objects from a Sequence file with the
> conversion from the object to Pig objects happening in a scripting language.
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