<?php
/*
 *  $Id: MssqlPlatform.php 3753 2007-04-11 09:12:33Z fabien $
 *
 * 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 please see
 * <http://propel.phpdb.org>.
 */

require_once 'propel/engine/platform/DefaultPlatform.php';
include_once 'propel/engine/database/model/Domain.php';

/**
 * MS SQL Platform implementation.
 *
 * @author     Hans Lellelid <hans@xmpl.org> (Propel)
 * @author     Martin Poeschl <mpoeschl@marmot.at> (Torque)
 * @version    $Revision: 536 $
 * @package    propel.engine.platform
 */
class MssqlPlatform extends DefaultPlatform {

	/**
	 * Initializes db specific domain mapping.
	 */
	protected function initialize()
	{
		parent::initialize();
		$this->setSchemaDomainMapping(new Domain(PropelTypes::INTEGER, "INT"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::BOOLEAN, "INT"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::DOUBLE, "FLOAT"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::LONGVARCHAR, "TEXT"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::CLOB, "TEXT"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::DATE, "DATETIME"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::BU_DATE, "DATETIME"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::TIME, "DATETIME"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::TIMESTAMP, "DATETIME"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::BU_TIMESTAMP, "DATETIME"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::BINARY, "BINARY(7132)"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::VARBINARY, "IMAGE"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::LONGVARBINARY, "IMAGE"));
		$this->setSchemaDomainMapping(new Domain(PropelTypes::BLOB, "IMAGE"));
	}

	/**
	 * @see        Platform#getMaxColumnNameLength()
	 */
	public function getMaxColumnNameLength()
	{
		return 128;
	}

	/**
	 * @return     Explicitly returns <code>NULL</code> if null values are
	 * allowed (as recomended by Microsoft).
	 * @see        Platform#getNullString(boolean)
	 */
	public function getNullString($notNull)
	{
		return ($notNull ? "NOT NULL" : "NULL");
	}

	/**
	 * @see        Platform::supportsNativeDeleteTrigger()
	 */
	public function supportsNativeDeleteTrigger()
	{
		return true;
	}

	/**
	 * @see        Platform::hasSize(String)
	 */
	public function hasSize($sqlType)
	{
		return !("INT" == $sqlType || "TEXT" == $sqlType);
	}

	/**
	 * @see        Platform::quoteIdentifier()
	 */
	public function quoteIdentifier($text)
	{
		return '[' . $text . ']';
	}

}
