[CASSANDRA-14008] RTs at index boundaries in 2.x sstables can create unexpected CQL row in 3.x

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.16, 3.11.2
• Component/s: Legacy/Local Write-Read Paths
• Labels: correctness
• Assignee: Jeff Jirsa
• Reporter: Jeff Jirsa
• Reviewer: Aleksey Yeschenko
• Created: 10/Nov/17 14:57
• Updated: 12/Dec/17 18:00
• Resolved: 12/Dec/17 18:00

Description

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.