Re: What wrong am I doing now?

On 7/24/2013 8:19 AM, Karl-Arne Gjersøyen wrote:
> mysql> SELECT DATE_FORMAT(dato, '%e-%c-%Y') FROM transportdokument WHERE
> dato >= '2013-07-20' AND dato <= '2013-07-24' GROUP BY dato DESC;
> +-------------------------------+
> | DATE_FORMAT(dato, '%e-%c-%Y') |
> +-------------------------------+
> | 24-7-2013                     |
> | 23-7-2013                     |
> +-------------------------------+
> 2 rows in set (0.00 sec)
>
> mysql>
>
>
> // My PHP code looks like this.
> // -----------------------------------------
> $sql = "SELECT DATE_FORMAT(dato, '%e-%c-%Y') FROM transportdokument WHERE
> dato >= '2013-07-20' AND dato <= '2013-07-24' GROUP BY dato DESC";
> $resultat = mysql_query($sql, $tilkobling) or die(mysql_error());
>
> while($rad = mysql_fetch_array($resultat)){
> $dato = $rad['dato'];
> var_dump($dato);
>
> I gott NULL,NULL here and believe it is something with my PHP Source that
> is wrong when using DATE_FORMAT. As you see above it work in terminal.
>
> I hope this not is off-topic for the list. If so, I am sorry for it and
> hope you can give me advice about a good MySQL list for newbie's.
>
> Thanks again for your help!
>
> Karl
>
Add a check on the query result to be sure your query actually ran.
 > $resultat = mysql_query($sql, $tilkobling) or die(mysql_error());
 >
if (!$resultat)
{
    echo "Query failed to run - ".mysql_error();
    exit();
}
 > while($rad = mysql_fetch_array($resultat)){
....
...