[SERVER-49513] Consider exposing matching value for operators like $nin in doc validation error details Created: 15/Jul/20  Updated: 06/Dec/22  Resolved: 03/Sep/20

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

Type: Task Priority: Major - P3
Reporter: Mihai Andrei Assignee: Backlog - Query Team (Inactive)
Resolution: Won't Do Votes: 0
Labels: qexec-team
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Query
Participants:

 Description   

Consider the validator expression {"a.b": {"$nin": [1, [2, 3, 4]]}} and the document {"a": [{"b": [1, 2]}, {"b": [3, 4]}]. This document will fail validation because the value '1' is present within {"b": [1, 2]}, but the generated error will report 'consideredValues: [1, 2, [1,2], 3, 4, [3,4]]' without specifying which of the considered values was found to be matching. Consider adding support for exposing matching values in the case of negation expressions like $nin where, because the operator has multiple arguments, it's not immediately obvious which of the values matched.


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