[ https://issues.apache.org/jira/browse/ACCUMULO-1639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763871#comment-13763871
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ASF subversion and git services commented on ACCUMULO-1639:
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Commit c617032b868ce06177b30367c34918916289be3d in branch refs/heads/1.5.1-SNAPSHOT from [~elserj]
[ https://git-wip-us.apache.org/repos/asf?p=accumulo.git;h=c617032 ]
ACCUMULO-1639 Adding ColumnSliceFilter implementation from Jeffrey Principe.
The implementation filters out records which do not fall between a given column
qualifer range. It is intended to be equivalent functionality to HBase's
ColumRangeFilter.
> Server-side iterator/filter that allows you to specify a lexicographical range of column
qualifier values you want to retrieve from a Scanner (ColumnSliceFilter)
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: ACCUMULO-1639
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1639
> Project: Accumulo
> Issue Type: New Feature
> Affects Versions: 1.4.3, 1.4.4, 1.5.0, 1.5.1, 1.6.0
> Environment: All
> Reporter: Jeffrey Principe
> Priority: Minor
> Labels: features
> Attachments: ColumnSliceFilter.java, ColumnSliceFilterTest.java
>
>
> This filter is modeled off of the RegExFilter class in the org.apache.accumulo.core.iterators.user
package. It allows you to specify a lexicographical start and end (including whether or not
it is inclusive on each side) to a range of column qualifier keys that you would like returned
from the retrieved data set on a Scanner or BatchScanner. It sets options on its IteratorSetting
with a static method (setSlice), and is added to a Scanner/BatchScanner using addScanIterator
like normal iterators/filters. This filter is intended to be an Accumulo equivalent to HBase's
ColumnRangeFilter.
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