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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6468) RowCounter may return incorrect result if column name is specified in command line
Date Thu, 02 Aug 2012 23:52:03 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427743#comment-13427743
] 

Hudson commented on HBASE-6468:
-------------------------------

Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #119 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/119/])
    HBASE-6468 RowCounter may return incorrect result if column name is specified in command
line (Shrijeet) (Revision 1368625)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/filter/FirstKeyOnlyFilter.java
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/filter/FirstKeyValueMatchingQualifiersFilter.java
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/RowCounter.java
* /hbase/trunk/hbase-server/src/main/protobuf/Filter.proto
* /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFirstKeyValueMatchingQualifiersFilter.java
* /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestRowCounter.java

                
> RowCounter may return incorrect result if column name is specified in command line
> ----------------------------------------------------------------------------------
>
>                 Key: HBASE-6468
>                 URL: https://issues.apache.org/jira/browse/HBASE-6468
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.5
>            Reporter: Shrijeet Paliwal
>            Assignee: Shrijeet Paliwal
>             Fix For: 0.96.0
>
>         Attachments: 0001-HBASE-6468-RowCounter-may-return-incorrect-result.patch, 0002-HBASE-6468-RowCounter-may-return-incorrect-result.patch,
0004-HBASE-6468-RowCounter-may-return-incorrect-result.patch, 0005-HBASE-6468-RowCounter-may-return-incorrect-results.patch
>
>
> The RowCounter use FirstKeyOnlyFilter regardless of whether or not the
> command line argument specified a column family (or family:qualifier).
> In case when no qualifier was specified as argument, the scan will
> give correct result. However in the other case the scan instance may
> have been set with columns other than the very first column in the
> row, causing scan to get nothing as the FirstKeyOnlyFilter removes
> everything else.
> https://issues.apache.org/jira/browse/HBASE-6042 is related. 

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