[jira] [Commented] (PIG-4042) Casting isn't handled properly when using IndexableLoadFunc

["Brian Johnson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14046960#comment-14046960 ] 

Brian Johnson commented on PIG-4042:
------------------------------------

One difference I see between POMergeJoin and POMergeCogroup is that POMergeJoin is schema aware and uses SchemaTupleBackend.newSchemaTupleFactory to create it's tuple factory instead of the default tuple factory created in POMergeCogroup. 


> Casting isn't handled properly when using IndexableLoadFunc
> -----------------------------------------------------------
>
>                 Key: PIG-4042
>                 URL: https://issues.apache.org/jira/browse/PIG-4042
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.12.1
>            Reporter: Brian Johnson
>         Attachments: TEST-org.apache.pig.test.TestHBaseStorage.txt, patch
>
>
> I am working on a patch for HBaseStorage to implement IndexableLoadFunc. The results that are returned for the RHS of the join are always bytearrays regardless of the schema that is set, the caster, etc.. and the join only works if both relations have the row key set to be a bytearray. I have attached the patch I am working on with the two failing test cases. I am very eager to get this resolved, but after digging through the code I'm not sure where to start to fix it. 



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