[SERVER-69652] Investigate improved rewrites based on knowledge of the change stream spec Created: 13/Sep/22  Updated: 05/Dec/22

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

Type: Improvement 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

Assigned Teams:
Query Execution
Participants:

 Description   

It may be possible to improve rewrites based on examination of the supplied change streams spec, or to introduce new rewrites. For instance, if the fullDocument parameter is default, we know that update events will never have a fullDocument field. Since the change stream spec is now available on the ExpressionContext, it is already accessible to all rewrites and does not require any new plubming.


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