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https://issues.apache.org/jira/browse/HBASE-3335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nathaniel Cook updated HBASE-3335:
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Attachment: HBASE-3335.patch
Adding BitComparator.java to trunk
> Add BitComparator for filtering
> -------------------------------
>
> Key: HBASE-3335
> URL: https://issues.apache.org/jira/browse/HBASE-3335
> Project: HBase
> Issue Type: Improvement
> Components: client
> Affects Versions: 0.89.20100924
> Reporter: Nathaniel Cook
> Priority: Minor
> Attachments: HBASE-3335.patch
>
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> There are many uses cases for setting bits flags and being able filter on
> those seems like a good idea.
> The BitComparator would take a byte[] and a bitwise operator for its
> constructor. It would perform the bitwise operation on the column value bytes
> with the specified byte[]. Then return whether the result was non-zero.
> Only the CompareOp.EQUAL and CompareOp.NOT_EQUAL would make sense with this
> comparator.
> The binary bitwise operators that apply are AND, OR, and XOR.
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