<?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\DBAL\Platforms\Keywords;

use function array_diff;
use function array_merge;

/**
 * PostgreSQL 9.4 reserved keywords list.
 *
 * @author Matteo Beccati <matteo@beccati.com>
 * @link   www.doctrine-project.org
 * @since  2.6
 */
class PostgreSQL94Keywords extends PostgreSQL92Keywords
{
    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'PostgreSQL94';
    }

    /**
     * {@inheritdoc}
     *
     * @link http://www.postgresql.org/docs/9.4/static/sql-keywords-appendix.html
     */
    protected function getKeywords()
    {
        $parentKeywords = array_diff(parent::getKeywords(), [
            'OVER',
        ]);

        return array_merge($parentKeywords, [
            'LATERAL',
        ]);
    }
}
