多对多关系querybuilder原则和symfony2扩展查询
我正在使用querybuilder应用以下查询,但不知何故,许多关系并没有按预期工作多对多关系querybuilder原则和symfony2扩展查询,symfony,doctrine-orm,many-to-many,Symfony,Doctrine Orm,Many To Many,我正在使用querybuilder应用以下查询,但不知何故,许多关系并没有按预期工作 $shopData = $sm->createQueryBuilder() ->select('v') ->from('AdminBundle:Voucher','v') ->innerJoin('v.shop', 's')
$shopData = $sm->createQueryBuilder()
->select('v')
->from('AdminBundle:Voucher','v')
->innerJoin('v.shop', 's')
->leftJoin('AdminBundle:VoucherProgram', 'vp', \Doctrine\ORM\Query\Expr\Join::ON, 'vp.id = v.program_id')
->leftJoin('AdminBundle:shopHistory', 'sh', \Doctrine\ORM\Query\Expr\Join::ON, 'sh.shop = s.id')
->where('s.shopStatus = :shopStatus')
->setParameter('shopStatus', Shop::SHOP_ACTIVATED)
->andWhere('s.highlightedHome = :highlightedHome')
->setParameter('highlightedHome', Shop::SHOP_HIGHLIGHTED_HOME)
->andWhere('s.offers = \'voucher\'')
->setFirstResult(0)
->setMaxResults(6)
->addOrderBy('v.discount_amount', 'DESC')
->groupBy('sh.shop')
->getQuery()
->getSql();
$sm->createQueryBuilder()
->select('v')
->from('AdminBundle:Voucher','v')
->innerJoin('v.shop', 's');
生成的查询如下所示:
SELECT v FROM AdminBundle:Voucher v INNER JOIN v.shop s LEFT JOIN AdminBundle:VoucherPrograms vp ON vp.id = v.program_id LEFT JOIN AdminBundle:shopHistory sh ON sh.shop = s.id WHERE s.shopStatus = :shopStatus AND s.highlightedHome = :highlightedHome AND s.offers = 'voucher' GROUP BY sh.shop ORDER BY v.discount_amount DESC
若我删除了所有内容,并且只保留了多个关系的内部连接,那个么它将按预期工作
$shopData = $sm->createQueryBuilder()
->select('v')
->from('AdminBundle:Voucher','v')
->innerJoin('v.shop', 's')
->leftJoin('AdminBundle:VoucherProgram', 'vp', \Doctrine\ORM\Query\Expr\Join::ON, 'vp.id = v.program_id')
->leftJoin('AdminBundle:shopHistory', 'sh', \Doctrine\ORM\Query\Expr\Join::ON, 'sh.shop = s.id')
->where('s.shopStatus = :shopStatus')
->setParameter('shopStatus', Shop::SHOP_ACTIVATED)
->andWhere('s.highlightedHome = :highlightedHome')
->setParameter('highlightedHome', Shop::SHOP_HIGHLIGHTED_HOME)
->andWhere('s.offers = \'voucher\'')
->setFirstResult(0)
->setMaxResults(6)
->addOrderBy('v.discount_amount', 'DESC')
->groupBy('sh.shop')
->getQuery()
->getSql();
$sm->createQueryBuilder()
->select('v')
->from('AdminBundle:Voucher','v')
->innerJoin('v.shop', 's');
以下是生成的查询:
SELECT l0.* FROM voucher l0_ INNER JOIN shop_voucher l2_ ON l0_.id = l2_.voucher_id INNER JOIN shop l1_ ON l1_.id = l2_.shop_id;
所以我想知道,当我添加更多连接时,为什么系统并没有选择正确的关系
以下是我的主要实体,它们有很多关系:
Shop.php
namespace AdminBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
/**
* Shop.
*
* @ORM\Table(name="shop")
* @ORM\Entity(repositoryClass="AdminBundle\Entity\ShopRepository")
*/
class Shop
{
const SHOP_DEACTIVATED = 0;
const SHOP_ACTIVATED = 1;
const SHOP_HIGHLIGHTED_HOME = 1;
................................
/**
* @ORM\ManyToMany(targetEntity="Voucher", inversedBy="shop")
* @ORM\JoinTable(name="shop_voucher")
*/
private $voucher;
................................
Voucher.php
namespace AdminBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
#use Doctrine\Common\Collections\ArrayCollection;
/**
* Voucher.
*
* @ORM\Table(name="voucher")
* @ORM\Entity(repositoryClass="AdminBundle\Entity\VoucherRepository")
*/
class Voucher
{
................................
/**
* @ORM\ManyToMany(targetEntity="Shop", mappedBy="voucher", cascade={"persist"})
*/
private $shop;
................................
我已经检查了有相同问题的堆栈,但我想知道如何扩展查询。我有下面的问题的解决方案,但没有得到上面场景中发生的确切情况
$shopDataQuery = $connection->prepare('SELECT v.* FROM voucher AS v INNER JOIN shop_voucher AS sv ON sv.voucher_id = v.id INNER JOIN shop AS s ON s.id = sv.shop_id LEFT JOIN voucher_programs AS vp ON vp.id = v.program_id LEFT JOIN shop_history AS sh ON sh.shop = s.id WHERE s.shopStatus = :shopStatus AND s.highlightedHome = :highlightedHome AND s.offers = 'voucher' GROUP BY sh.shop ORDER BY v.discount_amount DESC LIMIT 6');
更新: 这是shopHistory.php
namespace AdminBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
/**
* shopHistory.
*
* @ORM\Table(name="shop_history")
* @ORM\Entity(repositoryClass="AdminBundle\Entity\shopHistoryRepository")
*/
class shopHistory
{
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var int
* @ORM\ManyToOne(targetEntity="Shop", inversedBy="shopHistory")
* @ORM\JoinColumn(name="shop", referencedColumnName="id")
*/
private $shop;
这里是VoucherProgram.php
namespace AdminBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
/**
* VoucherProgram.
*
* @ORM\Table(name="voucher_program")
* @ORM\Entity(repositoryClass="AdminBundle\Entity\VoucherProgramRepository")
*/
class VoucherProgram
{
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @ORM\OneToMany(targetEntity="Voucher", mappedBy="program")
*/
private $voucher;
/**
* @ORM\OneToMany(targetEntity="Shop", mappedBy="vprogram")
*/
private $shop;
我认为这是因为您将您的关系命名为与您所在领域相同的名称:
SELECT v
FROM AdminBundle:Voucher v
INNER JOIN v.shop s
LEFT JOIN AdminBundle:VoucherPrograms vp ON vp.id = v.program_id
LEFT JOIN AdminBundle:shopHistory sh ON sh.shop = s.id
WHERE s.shopStatus = :shopStatus
AND s.highlightedHome = :highlightedHome
AND s.offers = 'voucher'
GROUP BY sh.shop
ORDER BY v.discount_amount DESC
尝试在您的店铺历史实体中将店铺字段重命名为店铺id
但是我没有完整的实体模型来进行测试
如果不是这样,请尝试粘贴5个实体的代码
编辑:
我使用symfony 2.8版在本地机器上进行测试
我已经从给定的模型生成了实体
我刚刚在凭证实体中添加了以下内容:
我有以下疑问:
我的第一个问题
SELECT v
FROM AppBundle:Voucher v
INNER JOIN v.shop s
LEFT JOIN AppBundle:voucherProgram vp WITH vp.id = v.program
LEFT JOIN AppBundle:shopHistory sh
WITH sh.shop = s.id
GROUP BY sh.shop
我的第二个SQL查询
SELECT v0_.id AS id0, v0_.program_id AS program_id1
FROM voucher v0_
INNER JOIN shop_voucher s2_ ON v0_.id = s2_.voucher_id
INNER JOIN shop s1_ ON s1_.id = s2_.shop_id
LEFT JOIN voucher_program v3_ ON (v3_.id = v0_.program_id)
LEFT JOIN shop_history s4_ ON (s4_.shop = s1_.id)
GROUP BY s4_.shop
LIMIT 6
OFFSET 0
我认为生成的是正确的
编辑2:
我尝试使用symfony标准版,包括:
$shopData = $this->getDoctrine()
->getManager()
->createQueryBuilder()
->select('v')
->from('AppBundle:Voucher','v')
->innerJoin('v.shop', 's')
->leftJoin('AppBundle:voucherProgram', 'vp', 'WITH', 'vp.id = v.program')
->leftJoin('AppBundle:shopHistory', 'sh', 'WITH', 'sh.shop = s.id')
//->where('s.shopStatus = :shopStatus')
//->setParameter('shopStatus', Shop::SHOP_ACTIVATED)
//->andWhere('s.highlightedHome = :highlightedHome')
//->setParameter('highlightedHome', Shop::SHOP_HIGHLIGHTED_HOME)
//->andWhere('s.offers = \'voucher\'')
->setFirstResult(0)
->setMaxResults(6)
//->addOrderBy('v.discount_amount', 'DESC')
->groupBy('sh.shop')
->getQuery()
->getDql();
我的composer.json是:
"php": ">=5.3.9",
"symfony/symfony": "2.8.*",
"doctrine/orm": "^2.4.8",
"doctrine/doctrine-bundle": "~1.4",
"symfony/swiftmailer-bundle": "~2.3",
"symfony/monolog-bundle": "~2.4",
"sensio/distribution-bundle": "~5.0",
"sensio/framework-extra-bundle": "^3.0.2",
"incenteev/composer-parameter-handler": "~2.0"
以及我的实体:
购物
namespace AppBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Shop
*
* @ORM\Table(name="shop")
* @ORM\Entity(repositoryClass="AppBundle\Repository\ShopRepository")
*/
class Shop
{
const SHOP_DEACTIVATED = 0;
const SHOP_ACTIVATED = 1;
const SHOP_HIGHLIGHTED_HOME = 1;
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* @ORM\ManyToMany(targetEntity="Voucher", inversedBy="shop")
* @ORM\JoinTable(name="shop_voucher")
*/
private $voucher;
}
商店历史记录
namespace AppBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* shopHistory
*
* @ORM\Table(name="shop_history")
* @ORM\Entity(repositoryClass="AppBundle\Repository\shopHistoryRepository")
*/
class shopHistory
{
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* @var int
* @ORM\ManyToOne(targetEntity="Shop", inversedBy="shopHistory")
* @ORM\JoinColumn(name="shop", referencedColumnName="id")
*/
private $shop;
}
凭证
namespace AppBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Voucher
*
* @ORM\Table(name="voucher")
* @ORM\Entity(repositoryClass="AppBundle\Repository\VoucherRepository")
*/
class Voucher
{
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* @ORM\ManyToMany(targetEntity="Shop", mappedBy="voucher", cascade={"persist"})
*/
private $shop;
/**
* @ORM\ManyToOne(targetEntity="voucherProgram", inversedBy="voucher")
*/
private $program;
}
voucherProgram
namespace AppBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* voucherProgram
*
* @ORM\Table(name="voucher_program")
* @ORM\Entity(repositoryClass="AppBundle\Repository\voucherProgramRepository")
*/
class voucherProgram
{
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @ORM\OneToMany(targetEntity="Voucher", mappedBy="program")
*/
private $voucher;
/**
* @ORM\OneToMany(targetEntity="Shop", mappedBy="vprogram")
*/
private $shop;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
}
在我看来,第一个给定的查询是
DQL
query,第二个是SQL
query。DQL查询可以短得多,并且仍然可以像预期的那样工作,因为它不操作表,而是操作实体。因此,您需要较少的联接来联接m2m关系(在生成finalSQL
时,这些联接被扩展为双联接)
如果生成的DQL是使用给定的查询生成器生成的,我找不到它有任何错误。检查
->groupBy('sh.shop')
此语句,这需要select
claule中shop entity的列id。我对groupBy进行了注释,但结果相同,或者没有得到确切的含义。如何获得查询?第一个问题似乎是DQL查询(因此,如果不强制执行联接列,则不会指定联接列),第二个问题是第二个SQL查询中的SQL queryNo问题。第一个DQL包含innerJoin,如果我不添加任何其他连接,它会根据多个关系自动获取正确的关系,但如果我添加了其他连接,则关系不会恢复。您正在使用group by,但我可以看到没有使用聚合函数,所以使用它的目的是什么,您的查询可能会提供所需的输出,但逻辑上是错误的SQL查询工作正常,但我想知道为什么querybuilder没有给出正确的关系。我将尝试按照您建议的方式更改字段,但它在表中具有相同的列名-“shop\u id”。我认为querybuilder没有给出正确的关系,可能是因为您的查询中有to“shop”。你能不能粘贴一个以另一种方式给我一个示例代码(不是全部)你的5个实体?我会尽力帮你的,我可以用我的本地机器…好的,我会尽快用我的本地机器做一些测试让我试试。你有时间测试吗?如果可以,我可以帮助你!谢谢你的回答,但这不是我想要的。DQL和SQL都没有错。但是,没有任何附加联接的DQL给出了正确的关系,而有了更多联接,关系就改变了,它应该与SQL相同。DQL
不应该与SQL
相同。它是更高的抽象级别。你能用actual
和expected
两种查询更新post吗,因为我真的无法理解inspectSQL是预期的和实际的查询,我想做的是将其转换为DQL。