public static function extractCreateQuery(&$input) {
		// To do on Edit
		static::onEdit($input, null);
		
		foreach( $input as $fieldname => $fieldvalue ) {
			if( !in_array($fieldname, static::$fields) ) {
				unset($input[$fieldname]);
			}
		}
		
		$options = array(
			'table' => static::$table,
			'what'  => $input,
		);
		return $options;
	}