Subversion-Projekte lars-tiefland.prado

<?php
/**
 * TMssqlTableColumn class file.
 *
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2005-2008 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @version $Id: TMssqlTableColumn.php 1863 2007-04-12 12:43:49Z wei $
 * @package System.Data.Common.Mssql
 */

/**
 * Load common TDbTableCommon class.
 */
Prado::using('System.Data.Common.TDbTableColumn');

/**
 * Describes the column metadata of the schema for a Mssql database table.
 *
 * @author Wei Zhuo <weizho[at]gmail[dot]com>
 * @version $Id: TMssqlTableColumn.php 1863 2007-04-12 12:43:49Z wei $
 * @package System.Data.Common.Mssql
 * @since 3.1
 */
class TMssqlTableColumn extends TDbTableColumn
{
        private static $types = array();

        /**
         * Overrides parent implementation, returns PHP type from the db type.
         * @return boolean derived PHP primitive type from the column db type.
         */
        public function getPHPType()
        {

                return 'string';
        }

        /**
         * @return boolean true if the column has identity (auto-increment)
         */
        public function getAutoIncrement()
        {
                return $this->getInfo('AutoIncrement',false);
        }

        /**
         * @return boolean true if auto increments.
         */
        public function hasSequence()
        {
                return $this->getAutoIncrement();
        }

        /**
         * @return boolean true if db type is 'timestamp'.
         */
        public function getIsExcluded()
        {
                return strtolower($this->getDbType())==='timestamp';
        }
}