[DOCS-11382] Docs for SERVER-33174: Upgrade/downgrade support for new type conversion aggregation expressions Created: 02/Mar/18  Updated: 29/Oct/23  Resolved: 01/Jun/18

Status: Closed
Project: Documentation
Component/s: None
Affects Version/s: None
Fix Version/s: 3.7.3

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

Issue Links:
Documented
documents SERVER-33174 Upgrade/downgrade support for new typ... Closed
Participants:
Days since reply: 5 years, 49 weeks, 5 days ago
Epic Link: DOCS: 4.0 Server

 Description   

Documentation Request Summary:

This commit prevents the usage of expressions introduced in 4.0 (such as $convert, the 'format' option to $dateFromString, etc.) in contexts that will be stored in the catalog, while in a feature compatibility version < 4.0. Specifically, you will not be allowed to use these new features in a view definition or within an $expr within a collection validator while in FCV < 4.0.


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