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c:mysql:mysql.h:mysql_errno
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c:mysql:mysql.h:mysql_errno [2013/02/25 23:33]
Daniel Gohlke
c:mysql:mysql.h:mysql_errno [2013/02/27 23:56] (current)
158.181.88.241
Line 5: Line 5:
  
 ==== description of mysql_errno ==== ==== description of mysql_errno ====
-mysql_errno is in work by code-reference.com \\  +returns the error number for the last unsuccessful running function. if the function is successful, it returns 0
-if you are faster... don't hasitate and add it+in case of an error the error number and the type of error appears
  
 <code c> <code c>
-no example at the moment+#include <stdio.h> /* including standard library */  
 +#include <mysql/mysql.h> 
 +  
 +MYSQL *my; 
 + 
 +int main( void ){ 
 +char host[20]; 
 +char user[20]; 
 +char pass[20]; 
 + 
 +my = mysql_init(NULL); 
 +  
 +  
 +sprintf(host,"localhost"); 
 +sprintf(user,"username"); 
 +sprintf(pass,"password"); 
 +  
 +if (my == NULL ) { 
 +printf("Cant initalisize MySQL\n"); 
 +return 1; 
 +
 +  
 +if( mysql_real_connect (my,host,user,pass,NULL,0,NULL,0)  == NULL) { 
 +  printf("Error cant login\n"); 
 +  } else { 
 +  printf("Login correct\n"); 
 +  } 
 + 
 +mysql_select_db(my, "test"); 
 +mysql_query(my, "SELECT * FROM wrongdb WHERE 1;"); 
 + 
 +printf("mysql_errno is %u\n", mysql_errno(my) ); 
 + 
 + 
 +mysql_close(my); 
 +return 0; 
 +}
 </code> </code>
  
 ===== output of mysql_errno c example ===== ===== output of mysql_errno c example =====
-    no example at the moment +    Login correct 
 +    mysql_errno is 1146
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c/mysql/mysql.h/mysql_errno.txt · Last modified: 2013/02/27 23:56 by 158.181.88.241

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