Re: Query Problem!!

On Mon, 8 Jan 2001 15:50:42 -0400, <christiangda(at)cantv(dot)net> wrote:
> I have PostgreSQL v7.02 in RedHat 6.2;
>
> I have problem with is Query:
> select name, 'user' as class from smuser union select name, 'group' as class from smgroup order by class;
>
> sentence problem is:{ order by class} !!!!
>
> thank you,
> Christian Gonzalez

Hi. This is because ``class'' is one of the reserved keywords of
PostgreSQL. You can avoid this problem by using quoted identifiers
like

select name, 'user' as "class" from smuser ...,

or simply rename the attribute.

-----
Yoshihiko Ichikawa
Department of Information Sciences, Ochanomizu University
Phone: +81-3-5978-5708; Fax: +81-3-5978-5705
E-mail: ichikawa(at)is(dot)ocha(dot)ac(dot)jp