RE: Selecting a special row from the database

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> -----Original Message-----
> From: Alister Bulman [mailto:abulman@xxxxxxxxx]
> Sent: 04 May 2007 15:07
> To: php-general@xxxxxxxxxxxxx
> Subject: Re:  Selecting a special row from the database
>
>
> On 04/05/07, Marcelo Wolfgang <marcelo@xxxxxxxxxxx> wrote:
>
> > I'm building a news display page for a website, and since the user has 2
> > ways to arrive there, I want to know if this is possible:
> >
> > 1) the user arrive at news.php
> >
> > I will run a query at the db, and get the latest news to be the main one
> >   (full display) and display the others news in a list
> >
> > 2) the user arrived from a link to a specific news to news.php?id=10
> >
> > It should display the news with id = 10 as the main news and get the
> > latest ones to display in a list of other news
>
> > Here is the code I have so far, I hope it serve as a better explanation
> > than mine!
>
> > <?
> > $newsId = $_GET['id'];
> > if (isset($newsID)){
> >         $whereClause = 'WHERE auto_id ='.$newsId;
> > } else {
> >         $whereClause = '';
> > }
> > mysql_connect("localhost",$user,$pass) or die (mysql_error());
> > mysql_select_db ($db_table);
> > $SQL = "SELECT * FROM tb_noticias $whereClause ORDER BY auto_id DESC";
>
> Yep, thats pretty classic.
> One thing I would do - assuming $newsId should always be an integer
>
> $whereClause = '';
> if (isset($_GET['id']) {
>   $newsId = intval($_GET['id']);
>   if ($newsId)  // if not 0
>     $whereClause = 'WHERE auto_id ='.$newsId;
> }
> .....
>
>
> Alister
>

This doesn't solve the problem. If ID is set, you'll only get one result.
Several results are always required, just with a different ordering. See my
other reply.

Edward

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