Web17 jun. 2024 · You have to make sure you do this for every primitive type which is a lot of work. 2. It's not exactly equivalent to not allowing null because you can not allow null … Web13 jul. 2024 · One workaround is to make the email property required, which disallows null and undefined: const userSchema = new mongoose.Schema ( { email: { type: String, required: true, unique: true // `email` must be unique } }); If you need email to be unique unless it is not defined, you can instead define a sparse unique index on email as shown …

node.js - mongoDB/mongoose: unique if not null - Stack Overflow

WebMongoose converts your schema paths into SchemaTypes automatically. Example: constschema = newSchema({ name: String}); schema.path('name') instanceofSchemaType; // true SchemaType.prototype.cast() Parameters value «Object»value to cast doc «Document»document that triggers the casting init «Boolean» Web17 dec. 2024 · How to assign "null" or "undefined" for a property with children , in mongoose. I want to make the "address" property "null" or "undefined" if I haven't … butfer catalogo

Mongoose v7.0.3: Schemas

Web29 aug. 2016 · Mongoose provide populate prototype method on model which will accept list of documents to populate, second parameter as Object with options like path to populate and third argument as a... Web'use strict'; var mongoose = require ('mongoose'), Schema = mongoose.Schema; mongoose.connect ('mongodb://localhost/createid'); var RegistrationSchema = new … Web22 okt. 2024 · For instance all you need to provide for your schema at a minimum is: const newMail = mail.create ( { globalId: "1234", from: "Jack", beginDate: new Date (), subject: … cd borodin