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Add section on INSTANCE OF Dql Operator

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Benjamin Eberlei 2010-08-08 21:20:58 +02:00
parent 9fa64adbda
commit 82874181b0
1 changed files with 6 additions and 0 deletions
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6
manual/en/dql-doctrine-query-language.txt
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@ -272,6 +272,12 @@ Get all users that have no phonenumber
$query = $em->createQuery('SELECT u FROM CmsUser u WHERE u.phonenumbers IS EMPTY');
$users = $query->getResult();
Get all instances of a specific type, for use with inheritance hierachies:
[php]
$query = $em->createQuery('SELECT u FROM Doctrine\Tests\Models\Company\CompanyPerson u WHERE u INSTANCE OF Doctrine\Tests\Models\Company\CompanyEmployee');
$query = $em->createQuery('SELECT u FROM Doctrine\Tests\Models\Company\CompanyPerson u WHERE u INSTANCE OF ?1');
++++ Partial Object Syntax
By default when you run a DQL query in Doctrine and select only a subset of the