[CASSANDRA-16427] In-JVM dtest paging does not handle Group By correctly

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 2.2.20, 3.0.25, 3.11.11, 4.0-rc1, 4.0
• Component/s: Test/dtest/java
• Bug Category: Correctness - Recoverable Corruption / Loss
• Severity: Normal
• Complexity: Normal
• Discovered By: Fuzz Test
• Platform: All
• Since Version: 2.2.10

Source Control Link

https://github.com/apache/cassandra/commit/4c3b42612037a74cb7095bdc8485ff42f747b2b4

Test and Documentation Plan

Tested with Harry. Small repro is included into applicable branches. Harry tests pending.

• Assignee: Alex Petrov
• Reporter: Alex Petrov

Authors

Alex Petrov

Reviewers

Alex Petrov, Andres de la Peña, Caleb Rackliffe

• Created: 05/Feb/21 10:28
• Updated: 25/Feb/21 10:10
• Resolved: 15/Feb/21 11:23

Description

In-JVM dtest paging is using a pager that disregards the type of the executed query, resulting into `GROUP BY` queries being executed like normal SELECT queries without GROUP BY clause.

Issue Links

• blocks: CASSANDRA-16307 GROUP BY queries with paging can return deleted data