Re: Name for new function
| From: | Derick Rethans | Date: | Mon, 17 Jul 2000 18:41:12 +0000 |
| Subject: | Re: Name for new function | ||
| References: | 1 | Groups: | php.dev |
| Request: | Send a blank email to php-dev+get-24820@lists.php.net to get a copy of this message | ||
"Dominic J. Eidson" wrote:
> On Mon, 17 Jul 2000, Derick Rethans wrote:
>
> > how do you want to do that with:
> >
> > select * from table1 where t1_column1 IN (select t2_column1 from table2 where
> > t2_column2 < 4);
>
> I don't know off the top of my head - but it ought to be possible, since
> this is what the subquery PHP patch was supposed to do - at least that's
> was my understanding of it.
It ain't possible, really. The patch rewrites:
t1_column1 IN (select t2_column1 from table2 where t2_column2 < 4);
to:
(t1_column = "1" or t1_column = "3")
(depending upon the contents of table of course).
That's no join.
Derick Rethans
JDI Media Solutions
H.v.Tussenbroekstraat 1
6952 BL Dieren
The Netherlands
e-mail: d.rethans@jdimedia.nl
http://www.jdimedia.nl/