[Pinguinn]

You could try this

pawn Код:

new _ip[MAX_PLAYERS], ip[39];
GetPlayerIp(playerid, ip, sizeof(ip));
mysql_query("SELECT ip FROM `tablename` WHERE name = `%s`", name);
mysql_fetch_field_row(_ip[playerid], "ip");
if(_ip[playerid] == ip) 
{
    // things here
}