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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-4742) DistinctPrefixFilter potentially seeks to lesser key when descending or null value
Date Fri, 18 May 2018 05:05:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Taylor updated PHOENIX-4742:
----------------------------------
    Summary: DistinctPrefixFilter potentially seeks to lesser key when descending or null
value  (was: Prevent infinite loop with HBase 1.4 and DistinctPrefixFilter)

> DistinctPrefixFilter potentially seeks to lesser key when descending or null value
> ----------------------------------------------------------------------------------
>
>                 Key: PHOENIX-4742
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4742
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: Sergey Soldatov
>            Priority: Major
>             Fix For: 4.14.0, 5.0.0
>
>
> OrderByIT.testOrderByReverseOptimizationWithNUllsLastBug3491 is the only test failing
on master (i.e. HBase 1.4). It's getting into an infinite loop when a reverse scan is done
for the DistinctPrefixFilter. It'd be nice to fix this so we can do a release for HBase 1.4.
At a minimum, we could disable DistinctPrefixFilter when a reverse scan is being done (for
HBase 1.4 only).



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