> Can someone give me a quick *complete* example code of setting up a
> connection, performing a small query, and reading back the result?
>
In windows install, there is an examples directory which contains mytest.c.
I can't say if this exists for Linux but I bet it does in some form. Why
don't you scan the mysql directory structure and see if you can't find this
(or similar).
> if(!mysql_real_connect(&mysql, "localhost",
> "user", "passwd", "dbname", 0, "", 0))
This is wrong. You are passing an empty string as the Unix socket. Try
using NULL instead.
> -----Original Message-----
> From: HaB JacKaL [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, September 20, 2001 9:10 AM
> To: [EMAIL PROTECTED]
> Subject: C API problems
>
>
> Can someone give me a quick *complete* example code of setting up a
> connection, performing a small query, and reading back the result?
>
>
> The docs conflict in a few places as far as how to declare the
> data types.
> (in some places, they are pointers, in others they are not). Also, the
> examples, sadly, just aren't very good. And there is no example for
> mysql_use_result(). (the example code uses mysql_store_result())
>
> I have tried every combination of pointers and regular datatypes
> I can think
> of, but I'm still generating errors on compile.
>
> Running on linux (RH 7.1), with MySQL 3.23.39.
>
> I'm using this:
>
> MYSQL mysql;
> MYSQL_RES *result;
> MYSQL_ROW row;
> int error;
>
> if(!mysql_init(&mysql))
> {
> printf("init failed!\n");
> exit(1);
> }
>
> if(!mysql_real_connect(&mysql, "localhost",
> "user", "passwd", "dbname", 0, "", 0))
> {
> printf("doh! connect failed...\n");
> exit(1);
> }
> else
> {
> error = mysql_select_db(&mysql, "label");
> error = mysql_query(&mysql, "SELECT * FROM _countries");
> result = mysql_use_result(&mysql);
> while((row = mysql_fetch_row(result)))
> {
>
> mysql_init() is returning fine...
>
> The connection is failing. I know the username/password combo
> works, since
> I can use it on the command line. The client program is being run on the
> same linux machine as the mysql server.
>
> Any other ideas?
>
> Does mysqld have a debug mode? Some way I can see if the client is even
> trying to connect, and what data the server is getting?
>
> Also, are the datatypes declared correctly for the rest of the code? The
> docs conflict as to whether or not result should be declared as a
> pointer or
> not.
>
>
> Thanks.
>
> -HaB
>
>
>
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