Define a unique array of numbers in a mongoose Schema
Ok, so in lieu of a better way, this is how I've solved it, using a save hook and an extra string:
var schema = new Schema({ array: { type: [Number], required: true } _arraySignature: { type: String, unique: true }});schema.pre('save', function(next) { this._arraySignature = this.array.join('.'); next();});...but I can only do this because I know that my arrays will be sorted, never contain more than one of the same number, and immutable. It's a bit fugly. I'd love to know if there's a better way.