[SERVER-85223] Add test to confirm that change stream oplog filter does not assume that op 'c' events are always on the $cmd namespace Created: 15/Jan/24  Updated: 16/Jan/24

Status: Backlog
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Task Priority: Major - P3
Reporter: Bernard Gorman Assignee: Backlog - Query Execution
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
is related to SERVER-85156 dbCheck throws unexpected "invalidate... Closed
Assigned Teams:
Query Execution
Participants:

 Description   

In SERVER-85156, we fixed an issue on v5.0 caused by the fact that the change stream CRUD oplog filter assumed that {op: "c"} entries always appear on the db.$cmd namespace. While this issue has already incidentally been fixed on v6.0 and later by PM-1942, we should add a test on master to ensure that we do not reintroduce the bug again in the future.


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