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https://issues.apache.org/jira/browse/CASSANDRA-14869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-14869:
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Severity: Critical (was: Normal)
Complexity: Challenging
Bug Category: Parent values: Correctness(12982)Level 1 values: Semantic
Failure(12988)
Since Version: 3.0.0
> 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
> Components: Legacy/Core
> Reporter: Aleksandr Sorokoumov
> Assignee: Aleksandr Sorokoumov
> Priority: Urgent
> Fix For: 4.0, 3.0.x, 3.11.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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