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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1102) boolean HTable.testRow()
Date Tue, 30 Dec 2008 16:44:46 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-1102:
----------------------------------

    Status: Patch Available  (was: Open)

> boolean HTable.testRow()
> ------------------------
>
>                 Key: HBASE-1102
>                 URL: https://issues.apache.org/jira/browse/HBASE-1102
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 0.19.0
>
>         Attachments: 1102-1.patch
>
>
> From up on the list:
> > From: Thibaut
> > Subject: Exist function?
> > To: hbase-user@hadoop.apache.org
> > Date: Tuesday, December 30, 2008, 5:32 AM
> >
> > On a few occasions, I have to check if a key exists in a table or not.
> > 
> > What's the best way to do it? The htable interface doesn't have any function to
check if a key exists or
> > not, and I have to specify at least one column when fetching a key.
> It will be pretty easy to support an client side API addition in HRS. For memcache that
would be  containsKey() on the sorted maps. For disk, HStore could use getClosest() on the
MapFile readers. 
>     boolean testRow(final byte [] row);
>     boolean testRow(String row);

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