RE: Mysql C API problems

> 1 - if i wanna make an action based on the fact that a query i just
made 
> won't return results (empty set), how can i test that? 
>
> will this do? 
> if(!mysql_query(myData, query) 
> { 
>    results = mysql_store_results(myData); 
>
>    if(mysql_num_rows() == 0) 
>    { 
>        //action; 
>    } 
> } 

That's right, except mysql_num_rows() takes a pointer to the results you
get from mysql_store_results(), so it looks like this:

if( mysql_num_rows( result ) == 0 )
{
        // action
}

> 2 - if the the row is made of one single field wich in turn is an
integer, 
> how can i address to it's value? 

Like this:

MYSQL_ROW row = mysql_fetch_row( result );
int value = atoi( row[0] );

Dean Harding


---------------------------------------------------------------------
Before posting, please check:
   http://www.mysql.com/manual.php   (the manual)
   http://lists.mysql.com/           (the list archive)

To request this thread, e-mail <mysql-thread113389@xxxxxxxxxxxxxxx>
To unsubscribe, e-mail 
<mysql-unsubscribe-gcdmg-mysql=m.gmane.org@xxxxxxxxxxxxxxx>
Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php