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From "Davis Abraham (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5951) Combining ColumnPrefixFilters using filterlist.
Date Tue, 08 May 2012 10:47:51 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270359#comment-13270359
] 

Davis Abraham commented on HBASE-5951:
--------------------------------------

Thank you....
                
> Combining ColumnPrefixFilters using filterlist.
> -----------------------------------------------
>
>                 Key: HBASE-5951
>                 URL: https://issues.apache.org/jira/browse/HBASE-5951
>             Project: HBase
>          Issue Type: Bug
>          Components: filters
>    Affects Versions: 0.92.1
>         Environment: Combining multiple ColumnPrefixFilters using filterlist does not
return exact result.
>            Reporter: Davis Abraham
>
> FilterList listOfFilters = new FilterList (FilterList.Operator.MUST_PASS_ALL);
> FilterList listOfFilters1 = new FilterList (FilterList.Operator.MUST_PASS_ALL);
> FilterList listOfFilters2 = new FilterList (FilterList.Operator.MUST_PASS_ALL);
> SingleColumnValueFilter SingleFilter1 = new
> SingleColumnValueFilter(Bytes.toBytes("cf"),
> Bytes.toBytes("country"), CompareOp.EQUAL,
> Bytes.toBytes("USA"));
> listOfFilters.addFilter(SingleFilter1);
> ValueFilter VF1= new ValueFilter (CompareOp.EQUAL, 
> new SubstringComparator("ABC"));
> ColumnPrefixFilter CF1= new ColumnPrefixFilter(Bytes.toBytes("name"));
> listOfFilters1.addFilter(CF1);
> listOfFilters1.addFilter(VF1);
> listOfFilters.addFilter(listOfFilters1);
> ValueFilter VF2= new ValueFilter (CompareOp.EQUAL, 
> new SubstringComparator("ED"));
> ColumnPrefixFilter CF2= new ColumnPrefixFilter (Bytes.toBytes("CRS"));
> listOfFilters2.addFilter(CF2);
> listOfFilters2.addFilter(VF2);
> listOfFilters.addFilter(listOfFilters2);
> When i do a combibation of SingleFilter1 and listOfFilters1
>  the result is correct, same way the combination of 
> SingleFilter1 and listOfFilters2 is returing correct result.
> But when all the three is combined im not getting any result..
> Is it the problem with multiple ColumnPrefixFilter??? 
> Value "ABC" exist in name.0 and value "ED" exist in CRS.0 and it is in
> the same row under same Column Family.

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