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