[SERVER-66785] Performance tuning for number of fields being covered Created: 26/May/22  Updated: 14/Apr/23

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

Type: Improvement Priority: Major - P3
Reporter: Svilen Mihaylov (Inactive) Assignee: Backlog - Query Optimization
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Query Optimization
Participants:

 Description   

If we have a collection scan generated from a Sargable node, probably should not cover too many fields (e.g. > 5). Also consider avoiding too many fields if there are filters (no need to retrieve a field which we do not need)


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