Php 是否可以覆盖条令实体中的表名?
我正在使用ORM。Php 是否可以覆盖条令实体中的表名?,php,doctrine,mappedsuperclass,Php,Doctrine,Mappedsuperclass,我正在使用ORM。 尝试从数据库获取数据时,我遇到以下错误: 致命错误:未捕获PDO异常:SQLSTATE[42S02]:未找到基表或视图:1146表“db.GenericMeasurements”不存在 生成错误的代码: $sensor = $entityManager->getRepository('EspRemoteServer\Entity\GenericSensor')->getSensor(1); foreach ($sensor as $s) {
尝试从数据库获取数据时,我遇到以下错误:
致命错误:未捕获PDO异常:SQLSTATE[42S02]:未找到基表或视图:1146表“db.GenericMeasurements”不存在
生成错误的代码:
$sensor = $entityManager->getRepository('EspRemoteServer\Entity\GenericSensor')->getSensor(1);
foreach ($sensor as $s)
{
$measurement = $s->getMeasurements();
$values = $measurement->getValues();
}
它输入getValues()并在尝试执行sql时生成错误。
我试图用AssociationOverride做些什么,但似乎无法覆盖表名。GenericMeasurements.php
use Doctrine\ORM\Mapping as ORM;
/**
* @ORM\MappedSuperclass
*/
abstract class GenericMeasurements
{
/**
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
* @ORM\Column(name="id", type="integer")
*/
private $id;
/**
* @ORM\Column(name="time", type="datetime", nullable=false)
*/
private $time;
/**
* @ORM\ManyToOne(targetEntity="GenericSensor", inversedBy="measurements")
* @ORM\JoinColumn(name="sensor_id", referencedColumnName="id")
*/
private $sensor;
function __construct()
{
}
//getters and setters
}
/**
* @ORM\Entity
* @ORM\Table(name="ds18b20_sensor")
*/
class DS18B20Measurements extends GenericMeasurements
{
use TemperatureTrait;
function __construct()
{
}
}
/**
* @ORM\Entity(repositoryClass="EspRemoteServer\Entity\Repository\GenericSensorRepository")
* @ORM\Table(name="sensors")
*/
class GenericSensor
{
/**
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
* @ORM\Column(name="id", type="integer")
*/
private $id;
/**
* @ORM\Column(name="name", type="string", nullable=false)
*/
private $name;
/**
* @ORM\Column(name="token", type="string", nullable=false)
*/
private $token;
/**
* @ORM\Column(name="description", type="text")
*/
private $description;
/**
* @ORM\Column(name="location", type="string", nullable=false)
*/
private $location;
/**
* @ORM\OneToMany(targetEntity="GenericMeasurements", mappedBy="sensor")
**/
private $measurements;
function __construct($name = '', $token = '', $description = '', $location = '')
{
$this->name = $name;
$this->token = $token;
$this->description = $description;
$this->location = $location;
$this->measurements = new ArrayCollection();
}
//getters and setters
}
DS18B20Measurements.php
use Doctrine\ORM\Mapping as ORM;
/**
* @ORM\MappedSuperclass
*/
abstract class GenericMeasurements
{
/**
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
* @ORM\Column(name="id", type="integer")
*/
private $id;
/**
* @ORM\Column(name="time", type="datetime", nullable=false)
*/
private $time;
/**
* @ORM\ManyToOne(targetEntity="GenericSensor", inversedBy="measurements")
* @ORM\JoinColumn(name="sensor_id", referencedColumnName="id")
*/
private $sensor;
function __construct()
{
}
//getters and setters
}
/**
* @ORM\Entity
* @ORM\Table(name="ds18b20_sensor")
*/
class DS18B20Measurements extends GenericMeasurements
{
use TemperatureTrait;
function __construct()
{
}
}
/**
* @ORM\Entity(repositoryClass="EspRemoteServer\Entity\Repository\GenericSensorRepository")
* @ORM\Table(name="sensors")
*/
class GenericSensor
{
/**
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
* @ORM\Column(name="id", type="integer")
*/
private $id;
/**
* @ORM\Column(name="name", type="string", nullable=false)
*/
private $name;
/**
* @ORM\Column(name="token", type="string", nullable=false)
*/
private $token;
/**
* @ORM\Column(name="description", type="text")
*/
private $description;
/**
* @ORM\Column(name="location", type="string", nullable=false)
*/
private $location;
/**
* @ORM\OneToMany(targetEntity="GenericMeasurements", mappedBy="sensor")
**/
private $measurements;
function __construct($name = '', $token = '', $description = '', $location = '')
{
$this->name = $name;
$this->token = $token;
$this->description = $description;
$this->location = $location;
$this->measurements = new ArrayCollection();
}
//getters and setters
}
GenericSensor.php
use Doctrine\ORM\Mapping as ORM;
/**
* @ORM\MappedSuperclass
*/
abstract class GenericMeasurements
{
/**
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
* @ORM\Column(name="id", type="integer")
*/
private $id;
/**
* @ORM\Column(name="time", type="datetime", nullable=false)
*/
private $time;
/**
* @ORM\ManyToOne(targetEntity="GenericSensor", inversedBy="measurements")
* @ORM\JoinColumn(name="sensor_id", referencedColumnName="id")
*/
private $sensor;
function __construct()
{
}
//getters and setters
}
/**
* @ORM\Entity
* @ORM\Table(name="ds18b20_sensor")
*/
class DS18B20Measurements extends GenericMeasurements
{
use TemperatureTrait;
function __construct()
{
}
}
/**
* @ORM\Entity(repositoryClass="EspRemoteServer\Entity\Repository\GenericSensorRepository")
* @ORM\Table(name="sensors")
*/
class GenericSensor
{
/**
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
* @ORM\Column(name="id", type="integer")
*/
private $id;
/**
* @ORM\Column(name="name", type="string", nullable=false)
*/
private $name;
/**
* @ORM\Column(name="token", type="string", nullable=false)
*/
private $token;
/**
* @ORM\Column(name="description", type="text")
*/
private $description;
/**
* @ORM\Column(name="location", type="string", nullable=false)
*/
private $location;
/**
* @ORM\OneToMany(targetEntity="GenericMeasurements", mappedBy="sensor")
**/
private $measurements;
function __construct($name = '', $token = '', $description = '', $location = '')
{
$this->name = $name;
$this->token = $token;
$this->description = $description;
$this->location = $location;
$this->measurements = new ArrayCollection();
}
//getters and setters
}
我想从“ds18b20_传感器”表和其他一些表中获取数据,因为我有一个表,其中包含每个传感器的测量值。方法
getSensor
的内部内容是什么?它是传感器属性的getter。返回实体GenericSensor。我想从“ds18b20_传感器”表和其他一些表中获取数据,因为我有一个表,其中包含每个传感器的测量值。getSensor方法的内部是什么?它是传感器属性的getter。返回实体GenericSensor。