Primilary import of new db stuff

1 files changed, 46 insertions, 0 deletions

diff --git a/framework/Db/schema/mysql/TMysqlColumnSchema.php b/framework/Db/schema/mysql/TMysqlColumnSchema.php
new file mode 100755
index 00000000..d956d2c1
--- /dev/null
+++ b/framework/Db/schema/mysql/TMysqlColumnSchema.php
@@ -0,0 +1,46 @@
+<?php
+/**
+ * TMysqlColumnSchema class file.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright &copy; 2008-2009 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+prado::using('System.Db.schema.TDbColumnSchema');
+
+/**
+ * TMysqlColumnSchema class describes the column meta data of a MySQL table.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package system.db.schema.mysql
+ * @since 1.0
+ */
+class TMysqlColumnSchema extends TDbColumnSchema
+{
+	/**
+	 * Extracts the PHP type from DB type.
+	 * @param string DB type
+	 */
+	protected function extractType($dbType)
+	{
+		if(strpos($dbType,'bigint')!==false || strpos($dbType,'float')!==false || strpos($dbType,'double')!==false)
+			$this->type='double';
+		else if(strpos($dbType,'bool')!==false || $dbType==='tinyint(1)')
+			$this->type='boolean';
+		else if(strpos($dbType,'int')!==false || strpos($dbType,'bit')!==false)
+			$this->type='integer';
+		else
+			$this->type='string';
+	}
+
+	protected function extractDefault($defaultValue)
+	{
+		if($this->dbType==='timestamp' && $defaultValue==='CURRENT_TIMESTAMP')
+			$this->defaultValue=null;
+		else
+			parent::extractDefault($defaultValue);
+	}
+}