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https://issues.apache.org/jira/browse/CASSANDRA-14869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16689954#comment-16689954
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Alex Petrov commented on CASSANDRA-14869:
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Builds:
|[3.0|https://circleci.com/workflow-run/dec6ad52-121f-4bd6-92f9-95d52b041ec9]|[3.11|https://circleci.com/workflow-run/02340ed3-5b7f-4e8e-a51f-2192cdd93612]|[trunk|https://circleci.com/workflow-run/7de63da3-3977-4ace-aeef-be5430b9bc37]|
> 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
> Components: Core
> Reporter: Aleksandr Sorokoumov
> Assignee: Aleksandr Sorokoumov
> Priority: Major
> Fix For: 3.0.x, 3.11.x, 4.0.x
>
> Attachments: range bug.jpg
>
>
> Currently {{Range.subtractContained}} returns incorrect results if minuend
> range covers full ring and:
> * subtrahend range wraps around. For example, {{(50, 50] - (10, 100]}}
> returns {{\{(50,10], (100,50]\}}} instead of {{(100,10]}}
> * subtrahend range covers the full ring as well. For example {{(50, 50] - (0,
> 0]}} returns {{\{(0,50], (50,0]\}}} instead of {{\{\}}}
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