As I've seen in the tutorial, my understanding to the use of
sql_create_# should be sql_create_N(name_of_struct, A, N,
data_type_1, variable_1, ... , data_type_N, variable_N), where
N is the no of variable and A is a number that I still don't
quite understand. The same should be the same with
sql_create_simple_N. (Please correct if I am wrong)

My questions are:
1: I don't get the meaning of what A do. In another words,
what action did it does and how could I make use of it

2: I want to create a SSQLS with four string variables, to
access another table. So i simply use custom1.cpp and modify
sql_create_5(stock, 1, 5, ...) to sql_create_4(stock, 1,4,
....), which it pumps up a lot of error messages.

3: This is about sql_create_simple_#. For the use of retriving
data, I used sql_create_simple_4(stock, 0, 0,...) instead and
it worked (based on custom1.cpp). However, when I turn to
inserting data with sql_create_simple_4, error messages again.
It says there's not a "set" method in struct stock, which I
saw that there is such a method in the API. What's wrong with it?

4: In custom2.cpp, is print_stock_table used only for the
struct stock? where is it located???

Many Many Many Many Thanks....
Willy K'

--
MySQL++ Mailing List
For list archives: http://lists.mysql.com/plusplus
To unsubscribe: http://lists.mysql.com/plusplus?unsu...ie.nctu.edu.tw

On Mon, Apr 18, 2005 at 01:02:24PM +0800, Willy K' wrote:
From examples/custom4.cpp (I know, it's well hidden) :-)

sql_create_5(stock,
1, // This number is used to make a SSQLS less-than-comparable.
// If this number is n then if the first n elements are the
// same the two SSQLS are the same.
// In this case if two two stock's "item" are the same then
// the two stock are the same.
5, // This number should generally be the same as the number of
// elements in the list unless you have a good reason not to.

I think this is most useful when you put a unique ID as the first
column, but I don't have a lot of experience with this yet.


Not sure what messages you got, but you'll need to add/remove actual
fields as well.


sql_create_simple_# doesn't exist in my tree. Are you using an old version?
Try 1.7.32.


It's in util.cpp.

- Chris


--
MySQL++ Mailing List
For list archives: http://lists.mysql.com/plusplus
To unsubscribe: http://lists.mysql.com/plusplus?unsu...ie.nctu.edu.tw

On Mon, Apr 18, 2005 at 04:08:45AM -0400, Chris Frey wrote:
Ahh, you meant sql_create_basic, oops. From my reading of custom-macros.h,
there is no set method in that struct, at least not that takes a Row
object, which is probably what the compiler is complaining about.

Again, I'm no expert on SQLS stuff.

- Chris


--
MySQL++ Mailing List
For list archives: http://lists.mysql.com/plusplus
To unsubscribe: http://lists.mysql.com/plusplus?unsu...ie.nctu.edu.tw

Chris Frey wrote:

I've clarified this language, including a real explanation for the
second parameter.

Stealing this language when I make the next release would be a good
thing for the documentation team (still alive out there?) to do.

--
MySQL++ Mailing List
For list archives: http://lists.mysql.com/plusplus
To unsubscribe: http://lists.mysql.com/plusplus?unsu...ie.nctu.edu.tw