Added new (clean) yii boilerplate

framework/db/schema/sqlite/CSqliteColumnSchema.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * CSqliteColumnSchema class file.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.yiiframework.com/
+ * @copyright 2008-2013 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+/**
+ * CSqliteColumnSchema class describes the column meta data of a SQLite table.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @package system.db.schema.sqlite
+ * @since 1.0
+ */
+class CSqliteColumnSchema extends CDbColumnSchema
+{
+	/**
+	 * Extracts the default value for the column.
+	 * The value is typecasted to correct PHP type.
+	 * @param mixed $defaultValue the default value obtained from metadata
+	 */
+	protected function extractDefault($defaultValue)
+	{
+		if($this->dbType==='timestamp' && $defaultValue==='CURRENT_TIMESTAMP')
+			$this->defaultValue=null;
+		else
+			$this->defaultValue=$this->typecast(strcasecmp($defaultValue,'null') ? $defaultValue : null);
+
+		if($this->type==='string' && $this->defaultValue!==null) // PHP 5.2.6 adds single quotes while 5.2.0 doesn't
+			$this->defaultValue=trim($this->defaultValue,"'\"");
+	}
+}