{"id":8486,"date":"2016-09-27T21:52:07","date_gmt":"2016-09-27T12:52:07","guid":{"rendered":"http:\/\/www.skyarch.net\/blog\/?p=8486"},"modified":"2016-10-19T11:16:28","modified_gmt":"2016-10-19T02:16:28","slug":"doctrine%e3%81%a71%e5%af%be1%e3%81%aejoin%e3%82%92%e3%81%97%e3%81%9f%e6%99%82%e3%81%ae%e6%b3%a8%e6%84%8f%e7%82%b9","status":"publish","type":"post","link":"https:\/\/www.skyarch.net\/blog\/doctrine%e3%81%a71%e5%af%be1%e3%81%aejoin%e3%82%92%e3%81%97%e3%81%9f%e6%99%82%e3%81%ae%e6%b3%a8%e6%84%8f%e7%82%b9\/","title":{"rendered":"Doctrine\u30671\u5bfe1\u306ejoin\u3092\u3057\u305f\u6642\u306e\u6ce8\u610f\u70b9"},"content":{"rendered":"

Doctrine\u30671\u5bfe1\u306ejoin\u3092\u3057\u305f\u5834\u5408\u3001\u4e0d\u5fc5\u8981\u306aSQL\u304c\u767a\u884c\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u8981\u306f\u3001Lazy Load\u304c\u8d77\u3053\u3063\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002
\n1\u5bfe\u591a\u3067\u8d77\u3053\u308bLazy Load\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u66f8\u3044\u3066\u3044\u307e\u3059\u3002
\nPHP\u306eDoctrine\u3067SQL\u304c\u4e71\u767a\u3055\u308c\u308b\u4e8b\u8c61\u306b\u3064\u3044\u3066<\/a><\/p>\n

\u4ee5\u4e0b\u306f\u3001user\u3068address\u304c1\u5bfe1\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u6301\u3063\u3066\u3044\u308bEntity\u3067\u3059\u3002
\n\u203b\u3053\u306e\u8a18\u4e8b\u3067\u306fDoctrine 2.4.7\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\r\nclass User implements UserInterface\r\n{\r\n    \/**\r\n    * @var integer $id\r\n    *\r\n    * @ORM\\Column(name="id", type="integer")\r\n    * @ORM\\Id\r\n    * @ORM\\GeneratedValue(strategy="AUTO")\r\n    *\/\r\n    private $id;\r\n\r\n    \/**\r\n    * @var string $name\r\n    *\r\n    * @ORM\\Column(name="name", type="string", length=255)\r\n    *\/\r\n    private $name;\r\n\r\n    \/**\r\n     * @ORM\\OneToOne(targetEntity="Address", inversedBy="user")\r\n     * @ORM\\JoinColumn(name="address_id", referencedColumnName="id", nullable=true)\r\n     * @var Address\r\n     *\/\r\n    private $address;\r\n\r\n    \/**\r\n    *\r\n    * @return integer\r\n    *\/\r\n    public function getId()\r\n    {\r\n        return $this->id;\r\n    }\r\n\r\n    \/**\r\n    * @param string $name\r\n    *\/\r\n    public function setName($name)\r\n    {\r\n        $this->name = $name;\r\n    }\r\n\r\n    \/**\r\n    * @return string\r\n    *\/\r\n    public function getName()\r\n    {\r\n        return $this->name;\r\n    }\r\n\r\n    \/**\r\n     * @return Address\r\n     *\/\r\n    public function getAddress()\r\n    {\r\n        return $this->address;\r\n    }\r\n\r\n    \/**\r\n     * @param Address $address\r\n     *\/\r\n    public function setAddress($address)\r\n    {\r\n        $this->address = $address;\r\n    }\r\n}\r\n<\/pre>\n
\r\nclass Address\r\n{\r\n    \/**\r\n    * @var integer $id\r\n    *\r\n    * @ORM\\Column(name="id", type="integer")\r\n    * @ORM\\Id\r\n    * @ORM\\GeneratedValue(strategy="AUTO")\r\n    *\/\r\n    private $id;\r\n\r\n    \/**\r\n    * @var string $name\r\n    *\r\n    * @ORM\\Column(name="name", type="string", length=255)\r\n    *\/\r\n    private $name;\r\n\r\n    \/**\r\n     * @var User $user\r\n     * @ORM\\OneToOne(targetEntity="User", mappedBy="address")\r\n     *\/\r\n    private $user;\r\n\r\n    \/**\r\n    *\r\n    * @return integer\r\n    *\/\r\n    public function getId()\r\n    {\r\n        return $this->id;\r\n    }\r\n\r\n    \/**\r\n    * @param string $name\r\n    *\/\r\n    public function setName($name)\r\n    {\r\n        $this->name = $name;\r\n    }\r\n\r\n    \/**\r\n    * @return string\r\n    *\/\r\n    public function getName()\r\n    {\r\n        return $this->name;\r\n    }\r\n\r\n    \/**\r\n     * @return User\r\n     *\/\r\n    public function getUser()\r\n    {\r\n        return $this->user;\r\n    }\r\n\r\n    \/**\r\n     * @param User $user\r\n     *\/\r\n    public function setUser($user)\r\n    {\r\n        $this->user = $user;\r\n\r\n    }\r\n}\r\n<\/pre>\n
\u3053\u3053\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u5168\u3066\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b<\/p>\n
\r\n$this->get('doctrine.orm.entity_manager')->getRepository('User')->findAll();\r\n<\/pre>\n
\u3068\u3057\u305f\u5834\u5408\u3001Doctrine\u306fuser\u30c6\u30fc\u30d6\u30eb\u306baddress\u30c6\u30fc\u30d6\u30eb\u3092LEFT JOIN\u3057\u305fSQL\u3092\u81ea\u52d5\u7684\u306b\u767a\u884c\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0a\u306e\u3053\u3068\u304b\u3089\u3001Doctrine\u306f\u3001\u300cEntity\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308bOneToOne\u306eJOIN\u3092\u81ea\u52d5\u7684\u306bLEFT JOIN\u3059\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001User Entity\u306baddress\u306e\u4ed6\u306b\uff12\u3064OneToOne\u306eJOIN\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u305f\u3068\u3057\u305f\u3089\u3001
\n\u5168\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30fc\u30bf\u304c\u6b32\u3057\u3044\u3060\u3051\u3060\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u81ea\u52d5\u7684\u306b\uff13\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u304cLEFT JOIN\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306eDQL\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\r\n$this->createQueryBuilder('user')->getQuery()->setHint(Query::HINT_FORCE_PARTIAL_LOAD, true)->getResult();\r\n<\/pre>\n
\u3053\u3046\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u4f59\u8a08\u306aSQL\u304c\u767a\u884c\u3055\u308c\u305a\u306b\u5168\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
Entity\u306b\u8907\u6570\u306eOneToOne\u306eJOIN\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u5fc5\u8981\u306b\u5fdc\u3058\u3066<\/p>\n
\r\nsetHint(Query::HINT_FORCE_PARTIAL_LOAD, true)\r\n<\/pre>\n
\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3088\u3046\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Doctrine\u30671\u5bfe1\u306ejoin\u3092\u3057\u305f\u5834\u5408\u3001\u4e0d\u5fc5\u8981\u306aSQL\u304c\u767a\u884c\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u8981\u306f\u3001Lazy Load\u304c\u8d77\u3053\u3063\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002 1\u5bfe\u591a\u3067\u8d77\u3053\u308bLazy Load\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u66f8\u3044\u3066\u3044\u307e\u3059\u3002 …<\/p>\n","protected":false},"author":1,"featured_media":7570,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"8486","footnotes":""},"categories":[23,9],"tags":[175,178,177,176],"class_list":{"0":"post-8486","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-23","8":"category-dev","9":"tag-doctrine","10":"tag-lazy-load","11":"tag-one-to-one-join","12":"tag-symfony2","13":"ja"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/8486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/comments?post=8486"}],"version-history":[{"count":5,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/8486\/revisions"}],"predecessor-version":[{"id":8690,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/8486\/revisions\/8690"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media\/7570"}],"wp:attachment":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media?parent=8486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/categories?post=8486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/tags?post=8486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}