RE: [PHP-DB] Two Column Sort
| From: | Ford, Mike [LSS] | Date: | Thu, 04 Mar 2004 10:55:20 +0000 |
| Subject: | RE: [PHP-DB] Two Column Sort | ||
| Groups: | php.db | ||
| Request: | Send a blank email to php-db+get-33284@lists.php.net to get a copy of this message | ||
On 03 March 2004 17:07, kc68@cornell.edu wrote:
> I'm re-raising an issue I never quite resolved which has become more
> critical. I want to sort a table on two columns. There are
> about 440
> rows of which about 400 are blank in the first sort column (CBC); the
> other rows show B in that column. When I use the coding
> below, the two
> column sort takes place but the rows designated B are at the
> bottom of the
> (long) table and I want them at the top. Neither asc nor desc
> accomplishes this (just reverses the second factor order,
> still at the
> bottom below the blanks).
>
> Here's the php code for the sort command:
>
> echo "<td><div align='center'><font
> size='3'><b>CBC <a
> href='contributions22504.php?sort_field=cbc,
> net_receipts&sort_order=desc'
> target='_self'><font
> size='2'>Sort</a></b></font></div></td>\n";
>
> Here's the basic setup that begins the script:
>
> # get sort order (if any) passed to script
> $sort_field = $_REQUEST['sort_field'];
> if (! $sort_field) {$sort_field = "State";}
> $sort_order = $_REQUEST['sort_order'];
> if (! $sort_order) {$sort_order = "asc";}
Well, your going to need an order phrase that looks like this:
ORDER BY CBC DESC, NET_RECEIPTS ASC
so you may need a little rethink about how you're passing those arguments.
Cheers!
Mike
---------------------------------------------------------------------
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning & Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: m.ford@leedsmet.ac.uk
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211