Make has_one relation with another model with composite id, Is it possible?

[alejandrotoga02]

Introduction

Make has_one relation with another model with composite id, Is it possible?

Issue Description

class ModelA {
  get idAttribute() { 
    return ['key1','key2']; 
  }
}

class ModelB {
 relation: {
    return this.hasOne(ModelA,['key1','key2']);
 }
}