58 lines
1.7 KiB
PHP
58 lines
1.7 KiB
PHP
<?php
|
|
/**
|
|
* CPgsqlColumnSchema 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/
|
|
*/
|
|
|
|
/**
|
|
* CPgsqlColumnSchema class describes the column meta data of a PostgreSQL table.
|
|
*
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
|
* @package system.db.schema.pgsql
|
|
* @since 1.0
|
|
*/
|
|
class CPgsqlColumnSchema extends CDbColumnSchema
|
|
{
|
|
/**
|
|
* Extracts the PHP type from DB type.
|
|
* @param string $dbType DB type
|
|
*/
|
|
protected function extractType($dbType)
|
|
{
|
|
if(strpos($dbType,'[')!==false || strpos($dbType,'char')!==false || strpos($dbType,'text')!==false)
|
|
$this->type='string';
|
|
elseif(strpos($dbType,'bool')!==false)
|
|
$this->type='boolean';
|
|
elseif(preg_match('/(real|float|double)/',$dbType))
|
|
$this->type='double';
|
|
elseif(preg_match('/(integer|oid|serial|smallint)/',$dbType))
|
|
$this->type='integer';
|
|
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($defaultValue==='true')
|
|
$this->defaultValue=true;
|
|
elseif($defaultValue==='false')
|
|
$this->defaultValue=false;
|
|
elseif(strpos($defaultValue,'nextval')===0)
|
|
$this->defaultValue=null;
|
|
elseif(preg_match('/^\'(.*)\'::/',$defaultValue,$matches))
|
|
$this->defaultValue=$this->typecast(str_replace("''","'",$matches[1]));
|
|
elseif(preg_match('/^-?\d+(\.\d*)?$/',$defaultValue,$matches))
|
|
$this->defaultValue=$this->typecast($defaultValue);
|
|
// else is null
|
|
}
|
|
}
|