Find where array of objects does not contain objects with param with specific value

Question

I'm using Mongoose and have a schema like this:

var User = new mongoose.Schema({
    registrations:[{
        fieldA: String,
        fieldB: String,
    }]
});

var UserModel = mongoose.model('User', User);

I want to find all users that their registrations array does not contain objects with fieldA == 'specific value'.

JohnnyHK · Accepted Answer · 2013-08-09 13:39:21Z

6

Use the $ne operator and dot notation to do this:

UserModel.find({'registrations.fieldA': {$ne: 'specific value'}}, cb);

When used with an array field like this, $ne will only match docs where no array element contains the specific value.

edited Aug 9, 2013 at 13:39

answered Aug 9, 2013 at 13:27

JohnnyHK

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