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https://issues.apache.org/jira/browse/HBASE-1790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12748867#action_12748867
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stack commented on HBASE-1790:
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Matus: Any chance of unit tests? Please add a patch for stateful filters. As
to whether folks are using filters, the answer must be no... or at least not in
any seriious way.
> filters are not working correctly
> ---------------------------------
>
> Key: HBASE-1790
> URL: https://issues.apache.org/jira/browse/HBASE-1790
> Project: Hadoop HBase
> Issue Type: Bug
> Components: filters
> Affects Versions: 0.20.0, 0.21.0
> Reporter: Matus Zamborsky
> Fix For: 0.20.0
>
> Attachments: hbase-1790.patch
>
>
> Filters used in Scanning the table are not working correctly. For example a
> table with three rows:
> 1. rowkey = adminbackslash-nb0, desc:temp = "temp"
> 2. rowkey = adminbackslash-nb1, desc:temp = "temp"
> 3. rowkey = adminkleptoman, desc:temp = "temp"
> If I scan all rows in the table without filter I get all the rows as
> expected. But applying a simple prefixfilter with parameter "adminbackslash"
> will return only first row. I searched it down to HRegion::nextInternal
> method, which will not output one passed row before denied row(by filter).
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