vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php

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<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\ORM;

use Doctrine\Common\Util\ClassUtils;
use Doctrine\Common\Collections\ArrayCollection;

use Doctrine\DBAL\Types\Type;
use Doctrine\DBAL\Cache\QueryCacheProfile;

use Doctrine\ORM\Query\QueryException;
use Doctrine\ORM\ORMInvalidArgumentException;

/**
 * Base contract for ORM queries. Base class for Query and NativeQuery.
 *
 * @link    www.doctrine-project.org
 * @since   2.0
 * @author  Benjamin Eberlei <kontakt@beberlei.de>
 * @author  Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author  Jonathan Wage <jonwage@gmail.com>
 * @author  Roman Borschel <roman@code-factory.org>
 * @author  Konsta Vesterinen <kvesteri@cc.hut.fi>
 */
abstract class AbstractQuery
{
    /* Hydration mode constants */

    /**
     * Hydrates an object graph. This is the default behavior.
     */
    const HYDRATE_OBJECT = 1;

    /**
     * Hydrates an array graph.
     */
    const HYDRATE_ARRAY = 2;

    /**
     * Hydrates a flat, rectangular result set with scalar values.
     */
    const HYDRATE_SCALAR = 3;