Symfony 3：一个实体中的许多关联

Question

I have 2 associations in one entity

class User
{
/**
 * @ORM\OneToOne(targetEntity="Employee")
 * @ORM\JoinColumn(name="id", referencedColumnName="id")
 */
 protected $employee;


/**
 * @ORM\OneToOne(targetEntity="Client")
 * @ORM\JoinColumn(name="id", referencedColumnName="id")
 */
protected $client;
//....
}

When im trying generate relations in database I got nothing. But with only one one association it is working. I'm using console command:

doctrine:schema:update --force 

Answer 1

Try with different names for join columns.

class User
{

    /**
     * @ORM\OneToOne(targetEntity="Employee")
     * @ORM\JoinColumn(name="employee_id", referencedColumnName="id")
     */
    protected $employee;

    /**
     * @ORM\OneToOne(targetEntity="Client")
     * @ORM\JoinColumn(name="client_id", referencedColumnName="id")
     */
    protected $client;

    //...
}

http://doctrine-orm.readthedocs.io/projects/doctrine-orm/en/latest/reference/association-mapping.html#association-mapping-defaults

Answer 2

Based on your comment to Akash what you want isnt really possible how you have laid it out without some work. The easiest way to accomplish it is with an extra column on your other 2 tables.

class User
{    

    /**
     * @ORM\OneToOne(targetEntity="Employee", mappedBy="user")
     */
    protected $employee;

    /**
     * @ORM\OneToOne(targetEntity="Client", mappedBy="user")
     */
    protected $client;

    //...
}

class Employee
{    

    /**
     * @ORM\OneToOne(targetEntity="User", inversedBy="employee")
     * @ORM\JoinColumn(name="user_id", referencedColumnName="id")
     */
    protected $user;

    //...
}

class Client
{    

    /**
     * @ORM\OneToOne(targetEntity="User", inversedBy="client")
     * @ORM\JoinColumn(name="user_id", referencedColumnName="id")
     */
    protected $user;

    //...
}

For reference take a look at the docs for more info on bidirectional associations