Файл: framework/db/schema/mssql/CMssqlColumnSchema.php
Строк: 75
<?php
/**
* CMssqlColumnSchema class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @author Christophe Boulain <Christophe.Boulain@gmail.com>
* @link http://www.yiiframework.com/
* @copyright 2008-2013 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CMssqlColumnSchema class describes the column meta data of a MSSQL table.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @author Christophe Boulain <Christophe.Boulain@gmail.com>
* @package system.db.schema.mssql
*/
class CMssqlColumnSchema extends CDbColumnSchema
{
/**
* Initializes the column with its DB type and default value.
* This sets up the column's PHP type, size, precision, scale as well as default value.
* @param string $dbType the column's DB type
* @param mixed $defaultValue the default value
*/
public function init($dbType, $defaultValue)
{
if ($defaultValue=='(NULL)')
{
$defaultValue=null;
}
parent::init($dbType, $defaultValue);
}
/**
* Extracts the PHP type from DB type.
* @param string $dbType DB type
*/
protected function extractType($dbType)
{
if(strpos($dbType,'float')!==false || strpos($dbType,'real')!==false)
$this->type='double';
elseif(strpos($dbType,'bigint')===false && (strpos($dbType,'int')!==false || strpos($dbType,'smallint')!==false || strpos($dbType,'tinyint')))
$this->type='integer';
elseif(strpos($dbType,'bit')!==false)
$this->type='boolean';
else
$this->type='string';
}
/**
* 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' )
$this->defaultValue=null;
else
parent::extractDefault(str_replace(array('(',')',"'"), '', $defaultValue));
}
/**
* Extracts size, precision and scale information from column's DB type.
* We do nothing here, since sizes and precisions have been computed before.
* @param string $dbType the column's DB type
*/
protected function extractLimit($dbType)
{
}
/**
* Converts the input value to the type that this column is of.
* @param mixed $value input value
* @return mixed converted value
*/
public function typecast($value)
{
if($this->type==='boolean')
return $value ? 1 : 0;
else
return parent::typecast($value);
}
}