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Posted to commits@cassandra.apache.org by "Aleksandr Sorokoumov (JIRA)" <ji...@apache.org> on 2018/11/07 07:15:00 UTC
[jira] [Commented] (CASSANDRA-14869) Range.subtractContained
produces incorrect results when used on full ring
[ https://issues.apache.org/jira/browse/CASSANDRA-14869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16677773#comment-16677773 ]
Aleksandr Sorokoumov commented on CASSANDRA-14869:
--------------------------------------------------
Patches:
* [3.0 | https://github.com/Gerrrr/cassandra/tree/14869-3.0]
* [3.11 | https://github.com/Gerrrr/cassandra/tree/14869-3.11]
* [4.0 | https://github.com/Gerrrr/cassandra/tree/14869-4.0]
> Range.subtractContained produces incorrect results when used on full ring
> -------------------------------------------------------------------------
>
> Key: CASSANDRA-14869
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14869
> Project: Cassandra
> Issue Type: Bug
> Reporter: Aleksandr Sorokoumov
> Assignee: Aleksandr Sorokoumov
> Priority: Major
> Fix For: 3.0.x, 3.11.x, 4.0.x
>
> Attachments: range bug.jpg
>
>
> The bug is in the way {{Range.subtractContained}} works if minuend range covers the full ring and subtrahend range goes over 0 (see illustration). For example, {{(-50, 50] - (10, 100]}} returns \{{{(50,10], (100,50]}}} instead of \{{(100,10]}}.
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