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Mongoose v8.1.1: Query Population
MongoDB has the join-like $lookup aggregation operator in versions >= 3.2. Mongoose has a more powerful alternative called populate(), which lets you reference documents in other collections. Population is the process of automatically replacing the specified paths in the document with document(s) from other collection(s). We may populate a single document, multiple documents, a plain object, multi
Mongoose v8.5.1: Validation
Before we get into the specifics of validation syntax, please keep the following rules in mind: Validation is defined in the SchemaType Validation is middleware. Mongoose registers validation as a pre('save') hook on every schema by default. Validation always runs as the first pre('save') hook. This means that validation doesn't run on any changes you make in pre('save') hooks. You can disable aut
Mongoose v8.4.4: Schemas
If you haven't yet done so, please take a minute to read the quickstart to get an idea of how Mongoose works. If you are migrating from 7.x to 8.x please take a moment to read the migration guide. Defining your schema Creating a model Ids Instance methods Statics Query Helpers Indexes Virtuals Aliases Options With ES6 Classes Pluggable Further Reading Defining your schema Everything in Mongoose st
Mongoose ODM v8.4.1
Let's face it, writing MongoDB validation, casting and business logic boilerplate is a drag. That's why we wrote Mongoose. const mongoose = require('mongoose'); mongoose.connect('mongodb://127.0.0.1:27017/test'); const Cat = mongoose.model('Cat', { name: String }); const kitty = new Cat({ name: 'Zildjian' }); kitty.save().then(() => console.log('meow')); Mongoose provides a straight-forward, schem
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