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https://issues.apache.org/jira/browse/PHOENIX-1489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14251446#comment-14251446
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Kristoffer Sjögren commented on PHOENIX-1489:
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5) Haven't check yet, but what about batch inserts coming from map reduce jobs?
6) I think column names are stored as part of the cell so the HFile and (more
importantly) the BlockCache are also affected. Since cells are cached
uncompressed it would be nice if this projection would reduce the overhead for
the BlockCache aswell.
Sorry, I don't mean to create work for you guys. Just bubbling up random
improvements.
> 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-v1.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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