Php 如何在Doctrine 2 DQL中使用DATE()?
在Symfony中,当我在mysql中使用以下带有日期函数的查询时,我得到了一个错误Php 如何在Doctrine 2 DQL中使用DATE()?,php,mysql,symfony,doctrine-orm,doctrine,Php,Mysql,Symfony,Doctrine Orm,Doctrine,在Symfony中,当我在mysql中使用以下带有日期函数的查询时,我得到了一个错误 SELECT employer.companyName AS employerName, jobs.jobId, jobs.industryId, jobs.focusId, jobs.companyName, jobs.employerId, jobs.jobTitle, DATE(jobs.createdDate) AS createdDate , DATE(jobs.endDate) AS e
SELECT employer.companyName AS employerName, jobs.jobId, jobs.industryId,
jobs.focusId, jobs.companyName, jobs.employerId, jobs.jobTitle, DATE(jobs.createdDate) AS
createdDate , DATE(jobs.endDate) AS endDate , jobs.replyTo, jobs.featured , jobs.jobType,
jobs.status FROM Acme\\AppsBundle\\Entity\\Jobs jobs , Acme\\AppsBundle\\Entity\\Employer
employer WHERE jobs.employerId = employer.employerId GROUP BY jobs.jobId ORDER BY
jobs.jobId DESC
为什么会出现这种情况?有什么解决办法来克服这种情况?在数据库中,这些字段(即end_date)存储为mysql类型的“date”
[2014-09-17 05:52:42] request.CRITICAL: Uncaught PHP Exception Doctrine\ORM\Query
\QueryException: "[Syntax Error] line 0, col 138: Error: Expected known function, got
'DATE'" at /.../Doctrine/ORM/Query/QueryException.php line 52 {"exception":"[object]
(Doctrine\\ORM\\Query\\QueryException: [Syntax Error] line 0, col 138: Error: Expected known function, got 'DATE' at /var/w.../doctrine/orm/lib/Doctrine/ORM/Query
/QueryException.php:52, Doctrine\\ORM\\Query\\QueryException: SELECT employer.companyName
AS employerName, jobs.jobId, jobs.industryId, jobs.focusId, jobs.companyName, jobs.employerId, jobs.jobTitle, DATE(jobs.createdDate) AS createdDate , DATE(jobs.endDate)
AS endDate , jobs.replyTo, jobs.featured , jobs.jobType, jobs.status FROM Acme\\AppsBundle
\\Entity\\Jobs jobs , Acme\\AppsBundle\\Entity\\Employer employer WHERE jobs.employerId
= employer.employerId GROUP BY jobs.jobId ORDER BY jobs.jobId DESC at /var/w...
/doctrine/orm/lib/Doctrine/ORM/Query/QueryException.php:41)"} []
DQL
只知道很少的标准sql函数(例如coalesce
)。为了能够使用自定义函数,您需要注册它并告诉doctor
如何将其转换为原始sql。请遵循以下指南:
检查我的答案除了公认的答案外,还有一吨预构建的定制功能可供选择 然后可以在您的配置中注册它们,如
doctrine:
orm:
dql:
string_functions:
DATE: DoctrineExtensions\Query\Mysql\Date
然后可以在DQL中使用(就像在查询中一样),如
或者,如果不想添加新的依赖项,可以使用如下代码:
$dateTime = new \DateTime();
$qb
->andWhere('jobs.endDate BETWEEN :dateMin AND :dateMax')
->setParameters(
[
'dateMin' => $dateTime->format('Y-m-d 00:00:00'),
'dateMax' => $dateTime->format('Y-m-d 23:59:59'),
]
);
如果这对任何人都不起作用(如果它抛出dql未识别错误),当我将
实体管理器:默认值:
放在dql之前的层次结构中时,它会起作用。这取决于您的配置doctor.orm.dql
是doctor.orm.entity\u managers.default.dql
的缩写。您的配置文件中是否有其他地方提到的实体经理?是的,entity\u managers
已经在我的config.yml
中的orm
下面,因此我假设这就是doctor.orm.dql
不起作用,但doctor.orm.dql
起作用的原因。很高兴知道。
$dateTime = new \DateTime();
$qb
->andWhere('jobs.endDate BETWEEN :dateMin AND :dateMax')
->setParameters(
[
'dateMin' => $dateTime->format('Y-m-d 00:00:00'),
'dateMax' => $dateTime->format('Y-m-d 23:59:59'),
]
);