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https://issues.apache.org/jira/browse/HBASE-10789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940797#comment-13940797
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Nick Dimiduk commented on HBASE-10789:
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DataType-aware filters are also on my todo list, though I wanted to get a
little further along down that road before speculating about them. The
advantage of using an order-preserving encoding (like {{OrderedBytes}}) is that
the data is ordered this way by HBase and these filters can efficiently skip
over swaths of data (depending on the use-case). There's definitely more to
explore here.
For the time being, it makes sense to have filters that support the different
encoding formats produced by {{Bytes}}, but I think this is the wrong level of
abstraction for the long run.
> 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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