[SERVER-79564] Avoid re-calculating partition by and sort by expressions in stage builder Created: 01/Aug/23  Updated: 13/Oct/23  Resolved: 13/Oct/23

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

Type: Task Priority: Major - P3
Reporter: Rui Liu Assignee: Backlog - Query Execution
Resolution: Won't Do Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Query Execution
Participants:

 Description   

Currently, we cannot reuse the sort keys in the previous stage builder as the partition values or the sort-by values for range window bounds. For this reason, we're rebuilding the partition-by and sort-by expressions in the window stage builder. We should come up with a solution to avoid repeated evaluation.


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