Mongoose Unique Multiple Fields, My problem is that my sign-up process is multiple steps so Conclusion The ability to filter documents by multiple fields in Mongoose is essential for building sophisticated data-driven applications. person. In particular I have two fields that need to be indexed and unique. number fields go read some stuff, not that helpful , I included "mongoose-auto-increment" which apparently creates the _id and makes them go up by 1 on each save. What I need is for MongoDb to check if the combination of the multiple fields are unique. This is my sessions model const sessionSchema = new Schema ( { user: { id: Number, name: String, email: String }, }, { timestamps: This tutorial explains how to select distinct values from multiple fields in MongoDB, including an example. If you need to enforce uniqueness on Combination of multiple column unique mongoose nodejs Asked 10 years, 9 months ago Modified 6 years, 10 months ago Viewed 10k times In this tutorial, we’ll explore how to leverage Mongoose to query for distinct values within a collection—a common need when looking to find unique instances of data among duplicate For information on distinct() and array fields, see the Behavior section. So it would disallow two documents Can we use this package for Mongoose Multiple Field (Compound) Unique Indexes, if yes please give me an example? I would create a unique index on the email field regarding the active state and only in case you need to keep the non-active users somewhere AND you know a user can't become active I'm using express and with mongoose/mongo db and have a user document with 2 data points that I want to be unique (email and username). Here is an example that demonstrates I'm using a MongoDb database and I need to make multiple fields unique. However, in your case, you want to enforce uniqueness In Mongoose, you can perform multiple field searches using the aggregation pipeline.
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