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https://issues.apache.org/jira/browse/HBASE-6468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13424242#comment-13424242
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Zhihong Ted Yu commented on HBASE-6468:
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Patch v2 is on the right track.
There were some spelling mistakes.
There was unnecessary formatting in RowCounter.java
It's a pity that mapred/RowCounter.java doesn't use FirstKeyOnlyFilter. It's up
to you whether you want to cover that class in this JIRA.
TestFirstKeyMatchingQualifiersFilter should be named
TestFirstKeyValueMatchingQualifiersFilter.
> 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
> Attachments:
> 0001-HBASE-6468-RowCounter-may-return-incorrect-result.patch,
> 0002-HBASE-6468-RowCounter-may-return-incorrect-result.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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