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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6132) ColumnCountGetFilter & PageFilter not working with FilterList
Date Tue, 05 Jun 2012 04:36:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289149#comment-13289149
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stack commented on HBASE-6132:
------------------------------

Can you fellas put up the filters in a little test harness (maybe stand up a region as TestColumnPrefixFilter
does)?  That'd give you more confidence about your theory that filterAllRemaining is not needed
here.  This stuff is tricky.  Thank you for digging in on this.
                
> ColumnCountGetFilter & PageFilter not working with FilterList
> -------------------------------------------------------------
>
>                 Key: HBASE-6132
>                 URL: https://issues.apache.org/jira/browse/HBASE-6132
>             Project: HBase
>          Issue Type: Bug
>          Components: filters
>    Affects Versions: 0.92.0, 0.92.1, 0.94.0
>         Environment: Cent OS 5.5 distributed hbase cluster. Hadoop 1.0.0, zookeeper 3.4.3
>            Reporter: Benjamin Kim
>            Assignee: Anoop Sam John
>
> Thanks to Anoop and Ramkrishna, here's what we found with FilterList
> If I use FilterList to include ColumnCountGetFilter among other filters, the returning
Result has no keyvalues.
> This problem seems to occur when specified column count is less then actual number of
existing columns.
> Also same problem arises with PageFilter
> Following is the code of the problem:
> {code}
> Configuration conf = HBaseConfiguration.create();
> HTable table = new HTable(conf, "test");
> Get get = new Get(Bytes.toBytes("test00001"));
> FilterList filterList = new FilterList();
> filterList.addFilter(new ColumnCountGetFilter(100));           
> get.setFilter(filterList);
> Result r = table.get(get);
> System.out.println(r.size()); // prints zero
> {code}

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