:sig
String mysql_error(MySQL* m)

:params
m : pointer to a MySQL connection struct
return value : MySQL error message (if present, otherwise empty string)

:see
>mysql

:content
Returns the last error message associated with the given MySQL connection.

If there is no current error, the result is an empty string.

:example
MySQL* db = mysql_connect();
if(db != 0)
{
    mysql_query(db, "select * from no_such_table_xyz");
    print(mysql_error(db) != "" ? "error reported" : "no error", "\n");
    mysql_disconnect(db);
}
else print("(requires a reachable MySQL server)\n");