public function changedColumnIs($column)
	{
		if( !$this->recordExists() )
		{
			return true;
		}
		elseif( $this->_recordAccess($column) && $this->_changedColumnAccess($column) )
		{
			return $this->recordColumnGet($column) != $this->changeRecordData[$column];
		}
		else
		{
			return true;
		}
	}