<?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 LGPL. For more information, see

 * <http://www.doctrine-project.org>.

 */

namespace Doctrine\ORM\Internal\Hydration;

use Doctrine\DBAL\Connection;

/**

 * Hydrator that produces flat, rectangular results of scalar data.

 * The created result is almost the same as a regular SQL result set, except

 * that column names are mapped to field names and data type conversions take place.

 *

 * @author Roman Borschel <roman@code-factory.org>

 * @since 2.0

 */

class ScalarHydrator extends AbstractHydrator

{

    /** @override */

    protected function _hydrateAll()

    {

        $result = array();

        $cache = array();

        while ($data = $this->_stmt->fetch(\PDO::FETCH_ASSOC)) {

            $result[] = $this->_gatherScalarRowData($data, $cache);

        }

        return $result;

    }

    /** @override */

    protected function _hydrateRow(array $data, array &$cache, array &$result)

    {

        $result[] = $this->_gatherScalarRowData($data, $cache);

    }

}