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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [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)
Date Thu, 20 Feb 2014 22:49:22 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-1639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christopher Tubbs updated ACCUMULO-1639:
----------------------------------------

    Affects Version/s:     (was: 1.6.0)

> 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
>         Environment: All
>            Reporter: Jeffrey Principe
>            Assignee: Jeffrey Principe
>            Priority: Minor
>              Labels: features
>             Fix For: 1.4.5, 1.5.1, 1.6.0
>
>         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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