[SERVER-85537] Block HashAgg should return blocks with multiple values Created: 22/Jan/24  Updated: 06/Feb/24  Resolved: 06/Feb/24

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 8.0.0-rc0

Type: Improvement Priority: Major - P3
Reporter: Matt Boros Assignee: Parker Felix
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Gantt Dependency
has to be done before SERVER-85731 Tune block-based $group parameters Backlog
Assigned Teams:
Query Execution
Backwards Compatibility: Fully Compatible
Participants:

 Description   

Currently Block HashAgg returns blocks of size one for convenience. We should have it return larger blocks so following stages can take advantage of this in the future.

This ticket should decide what size blocks should be returned.



 Comments   
Comment by Githook User [ 06/Feb/24 ]

Author:

{'name': 'Parker Felix', 'email': '68665637+parker-felix@users.noreply.github.com', 'username': 'parker-felix'}

Message: SERVER-85537 BlockHashAgg returns blocks of multiple values (#18478)

GitOrigin-RevId: c695beb9d65901a96dea389a302317aec63d7fff
Branch: master
https://github.com/mongodb/mongo/commit/bace3d14dc2696867dfc37f93e07621e6c8b1b61

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