[SERVER-44118] Don't fetch entire documents when projection has computed expression Created: 19/Oct/19  Updated: 29/Oct/23  Resolved: 07/Nov/19

Status: Closed
Project: Core Server
Component/s: Querying
Affects Version/s: 4.3.1
Fix Version/s: 4.3.1

Type: Bug Priority: Major - P3
Reporter: Ian Boros Assignee: Ian Boros
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Operating System: ALL
Sprint: Query 2019-11-04, Query 2019-11-18
Participants:

 Description   

Currently, any projection with an expression requires the entire document to be fetched. See here. In principle this shouldn't be necessary.



 Comments   
Comment by Githook User [ 07/Nov/19 ]

Author:

{'name': 'Ian Boros', 'username': 'puppyofkosh', 'email': 'ian.boros@mongodb.com'}

Message: SERVER-44118 don't fetch entire document when an expression is used
Branch: master
https://github.com/mongodb/mongo/commit/7cd489e25777094e9aa83ea7547cdc8bff830cd1

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