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https://issues.apache.org/jira/browse/CASSANDRA-14008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249432#comment-16249432
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Aleksey Yeschenko commented on CASSANDRA-14008:
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We can probably generate an sstable that triggers this bug relatively easily
for a regression test (nice to have, but won't block the patch on lack of it).
And, as Jeff mentions, it would be nice to find a way to un-break 3.0 sstables
where the damage's been done already, in a follow-up JIRA.
> RTs at index boundaries in 2.x sstables can create unexpected CQL row in 3.x
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-14008
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14008
> Project: Cassandra
> Issue Type: Bug
> Components: Local Write-Read Paths
> Reporter: Jeff Jirsa
> Assignee: Jeff Jirsa
> Labels: correctness
> Fix For: 3.0.x, 3.11.x
>
>
> In 2.1/2.2, it is possible for a range tombstone that isn't a row deletion
> and isn't a complex deletion to appear between two cells with the same
> clustering. The 8099 legacy code incorrectly treats the two (non-RT) cells as
> two distinct CQL rows, despite having the same clustering prefix.
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