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Posted to notifications@accumulo.apache.org by "Jeffrey Principe (JIRA)" <ji...@apache.org> on 2013/08/05 18:12:50 UTC
[jira] [Updated] (ACCUMULO-1639) Server-side iterator/filter that
allows you to specify a lexicographical range of column qualifier values
you want to retrieve from a Scanner (ColumnSliceFilter)
[ https://issues.apache.org/jira/browse/ACCUMULO-1639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jeffrey Principe updated ACCUMULO-1639:
---------------------------------------
Labels: features (was: )
Status: Patch Available (was: Open)
Implementation of the filter described
> 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: 1.5.0, 1.4.3, 1.4.4, 1.5.1, 1.6.0
> Environment: All
> Reporter: Jeffrey Principe
> Priority: Minor
> Labels: features
>
> 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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