<?php
/*
 *  $Id: Firebird.php 5801 2009-06-02 17:30:27Z piccoloprincipe $
 *
 * 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.phpdoctrine.org>.
 */

/**
 * Doctrine_Expression_Firebird
 *
 * @package     Doctrine
 * @subpackage  Expression
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link        www.phpdoctrine.org
 * @since       1.0
 * @version     $Revision: 5801 $
 * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
 * @author      Lorenzo Alberton <l.alberton@quipo.it> (PEAR MDB2 Interbase driver)
 * @author      Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
 */
class Doctrine_Expression_Firebird extends Doctrine_Expression_Driver
{
    /**
     * return string for internal table used when calling only a function
     *
     * @return string for internal table used when calling only a function
     * @access public
     */
    public function functionTable()
    {
        return ' FROM RDB$DATABASE';
    }

    /**
     * build string to define escape pattern string
     *
     * @return string define escape pattern
     */
    function patternEscapeString()
    {
        return " ESCAPE '". $this->conn->string_quoting['escape_pattern'] ."'";
    }
}