[DOCS-11997] $expr cannot use a multikey index Created: 24/Aug/18  Updated: 30/Oct/23  Resolved: 04/Sep/18

Status: Closed
Project: Documentation
Component/s: Server
Affects Version/s: None
Fix Version/s: Server_Docs_20231030

Type: Task Priority: Major - P3
Reporter: Nick Brewer Assignee: Isabella Siu (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
related to SERVER-36818 $expr does not use multi-key index Closed
Participants:
Days since reply: 5 years, 23 weeks, 1 day ago
Epic Link: DOCSP-1769

 Description   

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Original Description

This came up in a ticket recently - we should document somewhere (preferably in tboth the $expr and multikey index documentation) that this doesn't work with a multikey index.
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Description

Add context that $expr doesn't work with multikey indexes.

Scope of changes (files that need work and how much)

https://docs.mongodb.com/manual/reference/operator/query/expr/index.html

https://docs.mongodb.com/manual/core/index-multikey/index.html

Impact to other docs outside of this product

MVP (work and date?)

Resources (e.g. Scope Docs, Invision)



 Comments   
Comment by Githook User [ 04/Sep/18 ]

Author:

{'name': 'Isabella Siu', 'email': 'isabellasiu@Isabellas-MacBook.local'}

Message: DOCS-11997 Document that $expr cannot use a multikey index
Branch: master
https://github.com/mongodb/docs/commit/a3d5b8fbf8697bcd33050919d9977173991d0209

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