[SERVER-36712] Test mixed version unique index in the major_version_upgrade.js Created: 17/Aug/18  Updated: 06/Dec/22

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

Type: Task Priority: Major - P3
Reporter: Neha Khatri Assignee: Backlog - Storage Engines Team
Resolution: Unresolved Votes: 0
Labels: storage-engines
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Storage Engines
Participants:

 Description   

An upgrade to Mongodb 4.2 can introduce mixed version entries in unique indexes due to the unique index format change in 4.2. Update major_version_upgrade.js to create unique index entries using 4.0 binary followed by inserts using the 4.2 binary. Check that index is readable with mixed version entries.


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