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<?php
/**
* TPgsqlColumnMetaData class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2007 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Data.ActiveRecord.Vendor
*/
/**
* Column meta data for Postgre 7.3 or later.
*
* @author Wei Zhuo <weizho[at]gmail[dot]com>
* @version $Id$
* @package System.Data.ActiveRecord.Vendor
* @since 3.1
*/
class TPgsqlColumnMetaData extends TComponent
{
private $_name;
private $_type;
private $_sequenceName;
private $_default;
private $_length;
private $_notNull=true;
private $_isPrimary=null;
/**
* Initialize column meta data.
*
* @param string column name.
* @param string column data type.
* @param string column data length.
* @param boolean column can not be null.
* @param string serial name.
* @param string default value.
*/
public function __construct($name,$type,$length,$notNull,$serial,$default)
{
$this->_name=$name;
$this->_type=$type;
$this->_length=$length;
$this->_notNull=$notNull;
$this->_sequenceName=$serial;
$this->_default=$default;
}
/**
* @return string quoted column name.
*/
public function getName()
{
return $this->_name;
}
/**
* @return boolean true if column is a sequence, false otherwise.
*/
public function hasSequence()
{
return $this->_sequenceName != null;
}
/**
* @return string sequence name, only applicable if column is a sequence.
*/
public function getSequenceName()
{
return $this->_sequenceName;
}
/**
* Set the column as primary key
*/
public function setIsPrimaryKey($value)
{
if($this->_isPrimary===null)
$this->_isPrimary=$value;
else
throw new TActiveRecordException('ar_column_meta_data_read_only');
}
/**
* @return boolean true if the column is a primary key, or part of a composite primary key.
*/
public function getIsPrimaryKey()
{
return $this->_isPrimary===null? false : $this->_isPrimary;
}
public function getType()
{
return $this->_type;
}
public function getLength()
{
return $this->_length;
}
public function getNotNull()
{
return $this->_notNull;
}
/**
* @return boolean true if column has default value, false otherwise.
*/
public function hasDefault()
{
return $this->_default !== null;
}
public function getDefaultValue()
{
return $this->_default;
}
}
?>
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