Documentação do Symfony - versão 3.1
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Como Registrar Funções DQL Personalizadas

O Doctrine permite especificar funções DQL personalizadas. Para mais informações sobre este assunto, leia o artigo “Funções DQL Definidas pelo Usuário” no cookbook do Doctrine.

No Symfony, você pode registrar suas funções DQL personalizadas da seguinte forma:

  • YAML
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    # app/config/config.yml
doctrine:
    orm:
        # ...
        entity_managers:
            default:
                # ...
                dql:
                    string_functions:
                        test_string: Acme\HelloBundle\DQL\StringFunction
                        second_string: Acme\HelloBundle\DQL\SecondStringFunction
                    numeric_functions:
                        test_numeric: Acme\HelloBundle\DQL\NumericFunction
                    datetime_functions:
                        test_datetime: Acme\HelloBundle\DQL\DatetimeFunction
  • XML
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    <!-- app/config/config.xml -->
<container xmlns="http://symfony.com/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:doctrine="http://symfony.com/schema/dic/doctrine"
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
                        http://symfony.com/schema/dic/doctrine http://symfony.com/schema/dic/doctrine/doctrine-1.0.xsd">

    <doctrine:config>
        <doctrine:orm>
            <!-- ... -->
            <doctrine:entity-manager name="default">
                <!-- ... -->
                <doctrine:dql>
                    <doctrine:string-function name="test_string>Acme\HelloBundle\DQL\StringFunction</doctrine:string-function>
                    <doctrine:string-function name="second_string>Acme\HelloBundle\DQL\SecondStringFunction</doctrine:string-function>
                    <doctrine:numeric-function name="test_numeric>Acme\HelloBundle\DQL\NumericFunction</doctrine:numeric-function>
                    <doctrine:datetime-function name="test_datetime>Acme\HelloBundle\DQL\DatetimeFunction</doctrine:datetime-function>
                </doctrine:dql>
            </doctrine:entity-manager>
        </doctrine:orm>
    </doctrine:config>
</container>
  • PHP
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    // app/config/config.php
$container->loadFromExtension('doctrine', array(
    'orm' => array(
        ...,
        'entity_managers' => array(
            'default' => array(
                ...,
                'dql' => array(
                    'string_functions' => array(
                        'test_string'   => 'Acme\HelloBundle\DQL\StringFunction',
                        'second_string' => 'Acme\HelloBundle\DQL\SecondStringFunction',
                    ),
                    'numeric_functions' => array(
                        'test_numeric' => 'Acme\HelloBundle\DQL\NumericFunction',
                    ),
                    'datetime_functions' => array(
                        'test_datetime' => 'Acme\HelloBundle\DQL\DatetimeFunction',
                    ),
                ),
            ),
        ),
    ),
));

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