[SERVER-40282] Implement update conflict detection using _history Created: 22/Mar/19  Updated: 19/Apr/19  Resolved: 19/Apr/19

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

Type: Task Priority: Major - P3
Reporter: Misha Tyulenev Assignee: Misha Tyulenev
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Sprint: Sharding 2019-04-08, Sharding 2019-04-22
Participants:

 Description   

This is an important checkpoint.
To detect the conflict the history of the original and migrated document will be compared and if they diverge on the last update then conflict handling logic must be called.



 Comments   
Comment by Misha Tyulenev [ 19/Apr/19 ]

Implemented the document "version approach"

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