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From "Aditya Kishore (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-626) Project push down into HBase scan
Date Sat, 10 May 2014 22:11:18 GMT

    [ https://issues.apache.org/jira/browse/DRILL-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13992890#comment-13992890
] 

Aditya Kishore commented on DRILL-626:
--------------------------------------

https://reviews.apache.org/r/21165/

Not ready for merge yet. Addressing review comments.

> Project push down into HBase scan
> ---------------------------------
>
>                 Key: DRILL-626
>                 URL: https://issues.apache.org/jira/browse/DRILL-626
>             Project: Apache Drill
>          Issue Type: New Feature
>            Reporter: Aditya Kishore
>            Assignee: Aditya Kishore
>         Attachments: DRILL-626-Project-push-down-into-HBase-scan.patch
>
>
> If a query against an HBase table requires only a subset of columns, we should qualify
the HBase scan with these columns.
> For example
> {noformat}
>     SELECT row_key, f['c1'], f['c2'], g FROM hbase.MyTable
> {noformat}
> should qualify he HBase scan as {{families => \[g\["ALL"], f\["c1", "c2"]]}}



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