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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10789) Add NumberComparator
Date Thu, 20 Mar 2014 17:54:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13942047#comment-13942047

Nick Dimiduk commented on HBASE-10789:

Have a look at the [DataType|http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/types/DataType.html]
API. I think we could provide a DataTypeComparator that took into account the presence of
For implementations that are order preserving, it can do full ordering efficiently. Of course,
if the type isn't order preserving, it could deserialize the values and compare them natively.

> Add NumberComparator
> --------------------
>                 Key: HBASE-10789
>                 URL: https://issues.apache.org/jira/browse/HBASE-10789
>             Project: HBase
>          Issue Type: Improvement
>          Components: Filters
>            Reporter: haosdent
>            Assignee: haosdent
> Sometimes user may want to filter out which value less than a positive number. But they
finally would get a result contains negative number.

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