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diff --git a/framework/Data/Common/Mssql/TMssqlTableColumn.php b/framework/Data/Common/Mssql/TMssqlTableColumn.php
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+<?php
+/**
+ * TMssqlTableColumn class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2007 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';
+ }
+
+ public function getAutoIncrement()
+ {
+ return $this->getInfo('AutoIncrement',false);
+ }
+
+ public function hasSequence()
+ {
+ return $this->getAutoIncrement();
+ }
+
+ public function getIsExcluded()
+ {
+ return strtolower($this->getDbType())==='timestamp';
+ }
+}
+
+?> \ No newline at end of file