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https://issues.apache.org/jira/browse/PHOENIX-1489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14327962#comment-14327962
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James Taylor commented on PHOENIX-1489:
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I was thinking more like a method that does whatever is different for local 
index column ref versus a normal one. Not a huge deal, it's just one of my pet 
peeves, instanceof checks and casts. :-)

> Access column values positionally from client
> ---------------------------------------------
>
>                 Key: PHOENIX-1489
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1489
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>            Assignee: Maryann Xue
>         Attachments: 1489-2.patch, 1489-v1.patch, 1489-v3.patch
>
>
> Instead of passing back separate KeyValues for data returned from the server, 
> we should access via position using our TupleProjector everywhere. This is 
> already the case for joins and aggregate queries, but not for scan queries. 
> We can modify ScanRegionObserver to use our KeyValueSchema to accomplish this.



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