Database Metadata

The method field_data in mysqli_driver on line 436 :
sscanf($query[$i]->Type, '%[a-z](%d)',
                $retval[$i]->type,
                $retval[$i]->max_length
            );

return the type of decimal fields like int
it is decimal (7,2)
it return $field->type is decimal 7

and mysqli comand SHOW COLUMNS FROM 'table' return type corectly

and for enum and set is the same