/**
* Unset row field value
*
* @param string $columnName The column key.
* @return Zend_Db_Table_Row_Abstract
* @throws Zend_Db_Table_Row_Exception
*/
public function __unset($columnName)
{
try {
parent::__unset($columnName);
} catch (Zend_Db_Table_Row_Exception $e) {
if (array_key_exists($columnName, $this->_related)) {
unset($this->_related[$columnName]);
} elseif (array_key_exists($columnName, $this->_virtual)) {
unset($this->_virtual[$columnName]);
} else {
throw $e;
}
}
return $this;
}
/**
* Overrides the magic unset method to support unsetting a foreign key object
* attribute. If the requested attribute is not a foreign key object attribute,
* it simply invokes the parent class method.
* @param string $name The attribute name to unset.
*/
public function __unset($name)
{
if ($this->hasForeignKey($name)) {
unset($this->_foreignObjects[$name]);
} else {
parent::__unset($columnName);
}
}
