Ensure unique field value in loopback model

Question

How to ensure uniqueness of a particular field in loopback model. Like below is the model Post, I have a field genericId in it, I want it to be unique in the database, and l

Answer 1

The Lookback v4 solution looks like this:

@model()
export class Client extends Entity {

  @property({
    type: 'string',
    required: true,
    index: {
      unique: true,
    },
  })
  name: string;

}

Then you must update your schema:

npm run migrate

or recreate it:

npm run migrate -- --rebuild