原则:将 createQuery 查询转换为 createQueryBuilder
这是我当前的查询,它工作正常:
$q = $this->_em->createQuery("SELECT s FROM app\models\Sub s
LEFT JOIN s.case c
WHERE s.type LIKE '%$type'
AND c.id = '$id'");
foreach ($q->getResult() as $row) {
$results[$row->getId()] = $row;
}
我想将其转换为 QueryBuilder API 结构,这是我到目前为止所拥有的,但它无法正常工作。 (我需要与上面相同格式的结果)。
$q = $this->_em->createQueryBuilder();
$q->add('select', 's')
->add('from', 'app\models\Sub s')
->add('leftJoin', 's.case c')
->add('where', 's.type LIKE :type')
->add('where', 'c.id = :case');
->setParameter('type', "%$type");
->setParameter('case', $id);
再说一次,这不能正常工作,而且我不知道如何以与上面相同的格式获得结果。谢谢!
This is the current query that I have, and it works fine:
$q = $this->_em->createQuery("SELECT s FROM app\models\Sub s
LEFT JOIN s.case c
WHERE s.type LIKE '%$type'
AND c.id = '$id'");
foreach ($q->getResult() as $row) {
$results[$row->getId()] = $row;
}
I want to convert this to the QueryBuilder API structure, this is what I have so far, but it's not working correctly. (And I need the results as the same format as above).
$q = $this->_em->createQueryBuilder();
$q->add('select', 's')
->add('from', 'app\models\Sub s')
->add('leftJoin', 's.case c')
->add('where', 's.type LIKE :type')
->add('where', 'c.id = :case');
->setParameter('type', "%$type");
->setParameter('case', $id);
And again, this isn't working properly, and I don't know how to get the results in the same format as above. Thanks!
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接近,但没有雪茄。您需要学习如何使用 Doctrine 附带的 Expr 类来创建正确的 WHERE 子句。
http://www.doctrine -project.org/docs/orm/2.1/en/reference/query-builder.html#expr-classes
在您提供的示例中,您实际上的目标是这样的(未经测试)
:条款得到更多复杂,表达式的嵌套也会变得复杂。
Close, but no cigar. You'll need to learn how to use the Expr classes that comes with Doctrine in order to create the correct WHERE clause.
http://www.doctrine-project.org/docs/orm/2.1/en/reference/query-builder.html#expr-classes
In the example you provided, you are actually aiming for something like this (not tested):
As your WHERE clause gets more complicated, so will the nesting of expressions.