[SERVER-85021] POC for $accumulator, MR on $accumulator Created: 09/Jan/20  Updated: 12/Jan/24  Resolved: 04/Feb/20

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

Type: Task Priority: Major - P3
Reporter: David Percy Assignee: David Percy
Resolution: Fixed Votes: 0
Labels: qopt-team
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by SERVER-45447 Implement $accumulator Closed
Sprint: Query 2020-01-27, Query 2020-02-10
Participants:

 Description   

Write a POC of the $accumulator operator.

As part of the POC, change mapreduce's translateReduce to generate $accumulator instead of $_internalJsReduce, to make sure the $accumulator interface supports this.


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