[JAVA-3866] Window Functions Created: 06/May/20  Updated: 28/Oct/23  Resolved: 13/Jul/21

Status: Closed
Project: Java Driver
Component/s: None
Affects Version/s: None
Fix Version/s: 4.3.0

Type: New Feature Priority: Major - P3
Reporter: Backlog - Core Eng Program Management Team Assignee: Valentin Kavalenka
Resolution: Fixed Votes: 0
Labels: FY22Q2
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Cloners
is cloned by CSHARP-3225 Implement SetWindowFields stage Closed
Depends
Documented
Gantt Start to Start
Related
is related to SERVER-58076 Exclude new language features from st... Closed
Server Compat: 5.0
Backwards Compatibility: Fully Compatible
Documentation Changes: Needed

 Description   

Summary

The goal of this project is to implement functionality in MQL that mimics that of SQL's window functions.

Motivation

Window Functions in MQL is a common customer request from users of the server and connectors. Adding this functionality would raise feature parity between MQL and many SQL dialects (including postgres).



 Comments   
Comment by Githook User [ 13/Jul/21 ]

Author:

{'name': 'Valentin Kovalenko', 'email': 'valentin.kovalenko@mongodb.com', 'username': 'stIncMale'}

Message: Add builders for window functions (#747)

JAVA-3866
Branch: master
https://github.com/mongodb/mongo-java-driver/commit/78b27e834fc1c279ca43fcfd3e926f9b10afd3d7

Comment by Valentin Kavalenka [ 08/Jul/21 ]

SERVER-58076 excluded $setWindowFields from the stable API, we need to mark the related driver API as @Beta. Thanks jeff.yemin for noticing and warning about this!

Comment by Bernie Hackett [ 06/May/20 ]

For those like me who don't know what a window function is: https://en.wikipedia.org/wiki/SQL_window_function

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