我想要更新(替换)所有文档的数组中的子文档,这些文档具有此特定的嵌入子文档。用doctrine和mongodb更新嵌入的子文档数组
我的样品内容对象是:
{
"_id" : ObjectId("51f289e5345f9d10090022ef"),
"title" : "This is a content",
"descriptors" : [
{
"_id" : ObjectId("51f289e5345f9d10090022f4"),
"name" : "This is a descriptor",
"type" : "This is a property"
},
{
"_id" : ObjectId("51f289e5345f9d10090022f0"),
"name" : "This is another descriptor",
"type" : "This is another property"
}
]
}
我想要找的对象具有特定descriptor._id
。 我想用另一个替换一个子文档(分别使用旧对象的更新版本,但不一定使用相同的属性)。
虽然这个效果很好RoboMongo /壳...
db.Content.update(
{
'descriptors._id': ObjectId("51f289e5345f9d10090022f4")
},
{
$set: {
'descriptors.$': {
"_id" : ObjectId("51f289e5345f9d10090022f4"),
"name" : "This is the updated descriptor",
"category" : "This is a new property"
}
}
},
{
'multi': true
})
...并与plain php methods ...
$descriptor = array();
$descriptor['_id'] = new \MongoID('51f289e5345f9d10090022f4');
$descriptor['name'] = 'This is the updated descriptor';
$descriptor['category'] = 'This is a new property';
$mongo = new \Mongo('mongodb://localhost:27017');
$database = $mongo->selectDB('MyDatabase');
$output = $database->selectCollection('Content')->update(
array('descriptors._id' => $descriptor['_id']),
array('$set' => array('descriptors.$' => $descriptor)),
array("multiple" => true)
);
...它不与Doctrine MongoDB ODM工作。 ...
$descriptor = array();
$descriptor['_id'] = new \MongoID('51f289e5345f9d10090022f4');
$descriptor['name'] = 'This is the updated descriptor';
$descriptor['category'] = 'This is a new property';
$query = $dm->createQueryBuilder('Content')
->update()->multiple(true)
->field('descriptors._id')->equals($descriptor['_id'])
->field('descriptors.$')->set($descriptor)
->getQuery()->execute();
...因为它失败,并出现以下错误:
Notice: Undefined offset: 2 in C:\MyProject\vendor\doctrine\mongodb-odm\lib\Doctrine\ODM\MongoDB\Persisters\DocumentPersister.php line 998
所以,我认为,这主义的MongoDB ODM在点标记需要三个部分。不太好的解决方案是迭代子文档的属性并手动设置它们。
$descriptor = array();
$descriptor['_id'] = new \MongoID('51f289e5345f9d10090022f4');
$descriptor['name'] = 'This is the updated descriptor';
$descriptor['category'] = 'This is a new property';
$query = $dm->createQueryBuilder('Content')
->update()->multiple(true)
->field('descriptors._id')->equals($descriptor['_id']);
foreach ($descriptor as $key => $value) {
$query->field('descriptors.$.'.$key)->set($value);
}
$query->getQuery()->execute();
但这只会现有和更新添加新的特性,但不会从子文档中删除旧的/不必要的性能。
任何想法如何解决这个问题:
- 用一个简单的查询 同时使用 主义的MongoDB ODM
- 没有在PHP循环子文档阵在
我正在使用:
- 蒙戈 - 服务器:2.4.5
- PHP:5.4.16
- PHP-蒙戈驱动程序:1.4.1
作曲:
"php": ">=5.3.3",
"symfony/symfony": "2.3.*",
"doctrine/orm": ">=2.2.3,<2.4-dev",
"doctrine/doctrine-bundle": "1.2.*",
"doctrine/mongodb-odm": "1.0.*@dev",
"doctrine/mongodb-odm-bundle": "3.0.*@dev"