[anonymousx]

Try this

pawn Код:

stock IsUserNameAvailable(playername[])
{
    new esc[24],query2[256];
    mysql_real_escape_string(playername,esc);
    format(query2,sizeof(query2),"SELECT * FROM `users` WHERE `username`='%s'",esc);
    mysql_query(query2);
    mysql_store_result();
    if(mysql_num_rows()){
       mysql_free_result();
       return 1;
    } else {
       mysql_free_result();
       return 0;
    }

}