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The unique Option is Not a Validator. A common gotcha for beginners is that the unique option for schemas is not a validator. It's a convenient helper for building MongoDB unique indexes. See the FAQ for more information.
13 de jul. de 2020 · Understanding `unique` in Mongoose. 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.Schema({ email: { type: String,
You can think of a Mongoose schema as the configuration object for a Mongoose model. A SchemaType is then a configuration object for an individual property. A SchemaType says what type a given path should have, whether it has any getters/setters, and what values are valid for that path.
I have unique option for the msisdn and imsi. In some cases this condition is well respected. For the following mocha test: "use strict"; var app = require('../../app'); var http = require('http'); var request = require('supertest'); var mongoose = require('mongoose'); var should = require('should');
A mongoose query can be executed in one of two ways. First, if you pass in a callback function, Mongoose will execute the query asynchronously and pass the results to the callback. A query also has a .then() function, and thus can be used as a promise. Executing. Queries are Not Promises. References to other documents. Streaming. Versus Aggregation
11 de jul. de 2022 · In Mongoose, the Model class provides the distinct() method to get all the unique values for a specific field. Here is an example that demonstrates how to use the distinct() method to find unique URLs:
30 de dic. de 2023 · Starting with the basics of setting up unique indexes, handling errors, and moving on to more advanced use cases like compound and case-insensitive unique indexes, you should now have the knowledge to implement these indexing strategies within your own Mongoose models.
