Re: SELECT statement
| From: | Mike E | Date: | Mon, 11 Dec 2000 21:12:50 +0000 |
| Subject: | Re: SELECT statement | ||
| References: | 1 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-5162@lists.php.net to get a copy of this message | ||
* Julio Cuz, Jr. (jcuz@rccd.cc.ca.us) wrote:
> Hi--
>
> Let's say I'm doing this:
>
> $sql = "SELECT * FROM Facilities WHERE WO=$number";
>
> What if "$number" doesn't exist OR is NOT an integer for example, how can I
> trap that error and display a message? Or other idea?
Use a technique I call 'building a query':
$sql = "SELECT * FROM Facilities";
if (valid_number($number)) {
$sql .= " WHERE WO=$number";
}
...
just write a function to check the validity of $number, or use a
quick expression.
Does this answer your question?
Mike
--
Mike Erickson <mee(at)quidquam.com> http://www.quidquam.com/
"The more noise a man or a motor makes the less power there is
available." - W. R. McGeary