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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (HBASE-1482) Provide fast doesExist() method to avoid get() != null calls
Date Thu, 04 Jun 2009 20:09:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716382#action_12716382

Andrew Purtell edited comment on HBASE-1482 at 6/4/09 1:07 PM:

HTable.exists() ? It does existence testing server side.

      was (Author: apurtell):
    HTable.exists() ? 
> Provide fast doesExist() method to avoid get() != null calls
> ------------------------------------------------------------
>                 Key: HBASE-1482
>                 URL: https://issues.apache.org/jira/browse/HBASE-1482
>             Project: Hadoop HBase
>          Issue Type: Improvement
>    Affects Versions: 0.19.3
>            Reporter: Lars George
>             Fix For: 0.21.0
> Currently one has to use get() != null checks to see if a specific column has a value
for any given row. But this involves the whole load and transfer stack to shift the data to
the client just for it to drop the content. Better would be a server side check and only returning
the boolean back to the client, especially if the checked cell is containing MB's of data.

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