type User struct {
    gorm.Model
    Name        string
    CreditCards []CreditCard `gorm:"foreignKey:ReferrerID"`
}

type Person struct {
    gorm.Model
    Name        string
    CreditCards []CreditCard `gorm:"foreignKey:ReferrerID"`
}

type CreditCard struct {
    gorm.Model
    Number     string
    ReferrerID uint
}

For the above code I am getting error as mentioned below obviously because foreign key will not be available for users table. Is there any other way to implement this?

 Error 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`db_watchit`.`credit_cards`, CONSTRAINT `fk_users_credit_cards` FOREIGN KEY (`referrerid`) REFERENCES `users` (`id`))

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