Re: LIKE optimization

Then the application need not append anything for blank search fields. It's
just complicating things.

--rob

----- Original Message -----
From: "Nabil Sayegh" <nsmail(at)sayegh(dot)de>
To: "rob" <rob(at)cabrion(dot)com>
Cc: <pgsql-novice(at)postgresql(dot)org>
Sent: Wednesday, January 17, 2001 5:48 AM
Subject: Re: LIKE optimization

> rob wrote:
> >
> > your using table.attrib like '%' to match everything except nulls
> > right?
> >
> > use table.attribute IS NOT NULL instead.
>
> No, it's the web interface to our hotel-db. People can search for eg.
> City but may leave this field blank.
> So % is always appended (sometimes also prepended).
>
> I didn't know that it doesn't match NULL, but fortunately the attributes
> are all NOT NULL.
>
> thx
> cu
>
> --
> Nabil Sayegh
> GPG-Key available at http://www.sayegh.de
> (see http://www.gnupg.org for details)
>