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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2438) Addition of a Column Pagination Filter
Date Tue, 13 Apr 2010 16:05:49 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-2438:
----------------------------------

    Fix Version/s:     (was: 0.20.3)

Paul, are you planning to provide a patch for this issue?

> Addition of a Column Pagination Filter
> --------------------------------------
>
>                 Key: HBASE-2438
>                 URL: https://issues.apache.org/jira/browse/HBASE-2438
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: filters
>    Affects Versions: 0.20.3
>            Reporter: Paul Kist
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> Client applications may need to do pagination, depending on the number of columns returned,
it may be more efficient to perform pagination algorithms at the database level (similar to
SQL's LIMIT and OFFSET).  This will be an additional filter taking two parameters:
> - page
> - pageSize
> For every row, that gets returned, only a subset of columns are returned based on page
and pageSize
> If the page / pageSize column goes over the limits, then no results are returned from
the filter.
> A practical example for using a filter like this may be for folks doing Row-based indexing
with Hbase.

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