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From "James Kennedy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1439) Add endRow parameter to HClient#obtainScanner
Date Thu, 28 Jun 2007 20:38:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12508928
] 

James Kennedy commented on HADOOP-1439:
---------------------------------------

Deal. I don't think i'll get to it today but certainly before Monday, tomorrow likely.

> Add endRow parameter to HClient#obtainScanner
> ---------------------------------------------
>
>                 Key: HADOOP-1439
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1439
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: contrib/hbase
>            Reporter: stack
>            Assignee: stack
>            Priority: Minor
>
> Currently the HClient#obtainScanner looks like this:
> {code}
> public synchronized HScannerInterface obtainScanner(Text[] columns, Text startRow) throws
IOException;
> {code}
> Add an overload that allows specification of endRow:
> {code}
> public synchronized HScannerInterface obtainScanner(Text[] columns, Text startRow, Text
endRow) throws IOException;
> {code}
> Use Case: Table contains the whole web.  Client just wants to scan google's pages.  Currently,
client could cut off the scanner as soon as the row key leaves the google domain but cleaner
if {{HScannerInterface#next()}} returns false

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