How to query a document which contains specific value inside it's property array?

[Jiří Špác]

I have following schema:

var postSchema = mongoose.Schema({

    title: String,

    text: String,       //html

    createdAt: { type: Date, default: Date.now },

    tags: [{ type: mongoose.Schema.Types.ObjectId, ref: 'Tag' }]

});

and I want to find all posts which have tag for example 514f0a738cb944c00f000001. How can I do that with Mongoose? 

Can I use $in for this?

[Jiří Špác]

Ok, I have figured it out already, here is the solution for future incoming googlers:

 Post.find({tags: {$in: ['514f0a738cb944c00f000001']}}).exec(function (err, posts) {

        console.log(posts);

    });

Dne neděle, 24. března 2013 20:59:08 UTC+1 Jiří Špác napsal(a):

[Aaron Heckmann]

MongoDB also allows querying arrays using the following, slightly simpler, syntax:

Post.find({ tags: '514f0a738cb944c00f000001' }, callback);

Generally, all of the MongoDB query syntax is supported through `Model.find(selector)`. 

http://docs.mongodb.org/manual/applications/read/

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