Attachments to Doctrine Jira Issue DDC-1515 - https://github.com/doctrine/doctrine2/issues/2146

11121_Test.php

<?php

/**
 * @Entity
 * @Table(name="test")
 */
class App_Model_Test
{
    /**
     * @Id
     * @ManyToOne(targetEntity="App_Model_Test1")
     * @JoinColumn(name="test1_id", referencedColumnName="id", nullable=false)
     */
    private $test1;

    /**
     * @Id
     * @ManyToOne(targetEntity="App_Model_Test2")
     * @JoinColumn(name="test2_id", referencedColumnName="id", nullable=false)
     */
    private $test2;

//     /** @Column(name="x", type="integer") */
//     private $x;
}

11122_Test1.php

<?php

/**
 * @Entity
 * @Table(name="test1")
 */
class App_Model_Test1
{
    /**
     * @Id
     * @GeneratedValue(strategy="AUTO")
     * @Column(type="smallint")
     */
    private $id;
}

11123_Test2.php

<?php

/**
 * @Entity
 * @Table(name="test2")
 */
class App_Model_Test2
{
    /**
     * @Id
     * @GeneratedValue(strategy="AUTO")
     * @Column(type="smallint")
     */
    private $id;
}