[coakiddo]

You disabled cache.

Код:

mysql_function_query(mysql_Account, query,true, "IsResultExist","i",playerid);

Код:

public IsResultExist(handleid)
{
    new rows,fields;
    cache_get_data(rows,fields);
    if(rows)
    {
    }
    else
    {
    }
    return 1; // No need for mysql_free_result if you return it.
}