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