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https://issues.apache.org/jira/browse/HBASE-6562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543421#comment-13543421
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Lars Hofhansl commented on HBASE-6562:
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I don't think the patch is correct. The problem is when you set the startRow of
a scan to an actually existing row key it must not be filtered out, because it
will be skipped over on next().
Also see TestFromClientSide.testJira6912, which failed in the test run.
> Fake KVs are sometimes passed to filters
> ----------------------------------------
>
> Key: HBASE-6562
> URL: https://issues.apache.org/jira/browse/HBASE-6562
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Priority: Minor
> Fix For: 0.96.0
>
> Attachments: 6562.txt, 6562-v2.txt, 6562-v3.txt, 6562-v4.txt,
> 6562-v5.txt, minimalTest.java
>
>
> In internal tests at Salesforce we found that fake row keys sometimes are
> passed to filters (Filter.filterRowKey(...) specifically).
> The KVs are eventually filtered by the StoreScanner/ScanQueryMatcher, but the
> row key is passed to filterRowKey in RegionScannImpl *before* that happens.
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