[DOCS-13468] Investigate changes in SERVER-45447: Implement $accumulator Created: 27/Feb/20  Updated: 13/Nov/23  Resolved: 10/Mar/20

Status: Closed
Project: Documentation
Component/s: manual, Server
Affects Version/s: None
Fix Version/s: 4.3.4, Server_Docs_20231030, Server_Docs_20231106, Server_Docs_20231105, Server_Docs_20231113

Type: Task Priority: Major - P3
Reporter: Backlog - Core Eng Program Management Team Assignee: Jeffrey Allen
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Documented
documents SERVER-45447 Implement $accumulator Closed
Participants:
Days since reply: 3 years, 48 weeks, 1 day ago
Epic Link: DOCS: 4.4 Server Release Work

 Description   

Description

Downstream Change Summary

We added a new accumulator operator called $accumulator. This allows user-defined functions (Javascript) to run in a $group, $bucket, or $bucketAuto stage.

Description of Linked Ticket

Implement the $accumulator operator, which will let users create their own accumulators in $group.

Restrict this new operator to FCV 4.4.

Scope of changes

Impact to Other Docs

MVP (Work and Date)

Resources (Scope or Design Docs, Invision, etc.)



 Comments   
Comment by Githook User [ 10/Mar/20 ]

Author:

{'name': 'jeff-allen-mongo', 'username': 'jeff-allen-mongo', 'email': 'jeffrey.allen@10gen.com'}

Message: (DOCS-13468): accumulator operator
Branch: master
https://github.com/mongodb/docs/commit/1e1987c6e73cc055b8fc8eb0fbb9e3fe73b38230

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