What does mongoose find return?
find() function returns an instance of Mongoose’s Query class. The Query class represents a raw CRUD operation that you may send to MongoDB. It provides a chainable interface for building up more sophisticated queries.
How do mongoose learn?
Mongoose is an Object Data Modeling (ODM) library for MongoDB and Node….Mongoose Schema vs. Model
- Referencing Mongoose. let mongoose = require(‘mongoose’)
- Defining the Schema. A schema defines document properties through an object where the key name corresponds to the property name in the collection.
- Exporting a Model.
What is find in mongoose?
Mongoose find() Function The find() function is used to find particular data from the MongoDB database.
What is mongoose unique?
Jul 13, 2020. The unique option tells Mongoose that each document must have a unique value for a given path. For example, below is how you can tell Mongoose that a user’s email must be unique. const mongoose = require(‘mongoose’); const userSchema = new mongoose.
Is Mongoose query a promise?
Mongoose queries are not promises. They have a . then() function for co and async/await as a convenience. exec() function.
Does Mongoose find return a promise?
Mongoose find(). find() . You’re mixing a “callback” into what you expect to return a Promise . The mongoose methods already return promises.
What is useNewUrlParser true?
The underlying MongoDB driver has deprecated their current connection string parser. Because this is a major change, they added the useNewUrlParser flag to allow users to fall back to the old parser if they find a bug in the new parser. You should set useNewUrlParser: true unless that prevents you from connecting.
Are mongoose endangered?
Not extinctMongoose / Extinction status
Does Mongoose find return Promise?
Does Mongoose save return Promise?
Mongoose save() doesn’t return promise mongoose.