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在我的应用程序中，我有一个有8个插槽的雪茄保湿盒。我希望每个插槽可容纳一个可供选择的数百支雪茄中的任何一个的实例。我可以为一个雪茄盒添加一支雪茄到雪茄插槽，但我不能换到另一个雪茄盒并添加相同的雪茄到slot1。我在考虑在不同的雪茄柜中，它肯定不是问题，但我现在得到例外"An exception occurred while executing 'UPDATE humidor SET slot_1 = ? WHERE id = ?' with params [2, 8]:SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '2' for key 'UNIQ_4AE64E7F3CF622F8'"'我不完全是教条的专家，我不完全确定我应该如何去建模这个问题。任何建议都会很棒。Symfony关系映射多对一
这里是插槽
/**
* Humidor
*
* @ORM\Table(name="humidor")
* @ORM\Entity(repositoryClass="AppBundle\Repository\HumidorRepository")
*/
class Humidor
{
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var string
*
* @ORM\Column(name="name", type="string", length=255, nullable=true)
*/
private $name;
/**
* @ORM\ManyToOne(targetEntity="UserBundle\Entity\User", inversedBy="humidors")
* @ORM\JoinColumn(name="user_id", referencedColumnName="id")
*/
private $user;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_1", referencedColumnName="id")
*/
private $slot1;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_2", referencedColumnName="id")
*/
private $slot2;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_3", referencedColumnName="id")
*/
private $slot3;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_4", referencedColumnName="id")
*/
private $slot4;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_5", referencedColumnName="id")
*/
private $slot5;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_6", referencedColumnName="id")
*/
private $slot6;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_7", referencedColumnName="id")
*/
private $slot7;
/**
* @ORM\OneToOne(targetEntity="Cigar")
* @ORM\JoinColumn(name="slot_8", referencedColumnName="id")
*/
private $slot8;
，然后我的雪茄实体
/**
* Cigar
*
* @ORM\Table(name="cigar")
* @ORM\Entity(repositoryClass="AppBundle\Repository\CigarRepository")
* @ORM\HasLifecycleCallbacks()
*/
class Cigar
{
/**
* @ORM\PrePersist()
*/
public function onPrePersist(){
$this->setName($this->getManufacturer()->getName() . " " . $this->getVariant());
}
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var int
*
* @ORM\Column(name="gauge", type="integer")
*/
private $gauge;
/**
* @var string
*
* @ORM\Column(name="body", type="string", length=255)
*/
private $body;
/**
* @var string
*
* @ORM\Column(name="wrapper_country", type="string", length=255)
*/
private $wrapperCountry;
/**
* @var string
*
* @ORM\Column(name="variant", type="string", length=255)
*/
private $variant;
/**
* @var string
*
* @ORM\Column(name="description", type="text")
*/
private $description;
/**
* @var string
*
* @ORM\Column(name="filler_country", type="string", length=255)
*/
private $fillerCountry;
/**
* @ORM\ManyToOne(targetEntity="Manufacturer", inversedBy="cigars")
* @JoinColumn(name="manufacturer_id", referencedColumnName="id")
*/
private $manufacturer;
/**
* @ORM\ManyToOne(targetEntity="Wrapper", inversedBy="cigars")
* @JoinColumn(name="wrapper_id", referencedColumnName="id")
*/
private $wrapper;
/**
* @ORM\ManyToOne(targetEntity="Shape", inversedBy="cigars")
* @JoinColumn(name="shape_id", referencedColumnName="id")
*/
private $shape;
/**
* @ORM\Column(type="string")
*
*/
private $image;
/**
* @var string
* @ORM\Column(type="string")
*/
private $name;