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<?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,"'\"");
}
}
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