[SERVER-73619] [CQF] Keep multikeyness info for disabled indexes Created: 04/Feb/23  Updated: 29/Oct/23  Resolved: 04/May/23

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 7.1.0-rc0

Type: Improvement Priority: Major - P3
Reporter: Svilen Mihaylov (Inactive) Assignee: Misha Tyulenev
Resolution: Fixed Votes: 0
Labels: cascades-starter
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Query Optimization
Backwards Compatibility: Fully Compatible
Sprint: QO 2023-05-15
Participants:

 Description   

Currently when we hint a given index or a collection scan, we disable all other indexes, including their multikeyness info. We should in theory still be able to make use of the multikeyness info to simplify paths even if we never pick the index.



 Comments   
Comment by Githook User [ 03/May/23 ]

Author:

{'name': 'Misha Tyulenev', 'email': 'misha.tyulenev@mongodb.com', 'username': ''}

Message: SERVER-73619 Keep multi-keyness info for disabled indexes
Branch: master
https://github.com/mongodb/mongo/commit/d45cbc7a64e6e3846c3646c841c21cb3371b46ca

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