Re: order of results

On Sat, Apr 03, 2004 at 17:08:34 +0200, Gregor Rot <zara4tustra@yahoo.com> wrote:
> Bruno Wolff III wrote:
> >On Thu, Mar 25, 2004 at 14:23:00 +0100,
> >  Gregor Rot <zara4tustra@yahoo.com> wrote:
> >
> >>Hi,
> >>
> >>i have a table called "people" (name:varchar, lastname:varchar).
> >>
> >>i do a select on it:
> >>
> >>select * from people where name like '%n1%' or lastname like '%l1%'.
> >>
> >>i would like the results in this order:
> >>
> >>first the results that satisfy only the (name like '%n1%') condition, 
> >>then the ones that satisfy only the (lastname like '%l1%') condition and 
> >>last the results that satisfy both conditions.
> >>
> >>Is this possible in only one SQL?
> >>(note that the search conditions n1 and l1 differ from search to search.
> >
> >
> >Yes. You can order by true/false results from conditions to get the
> >results in the desired order.
> 
> Thank you - sorry, but how do you do that?

Here is a simple example that illustrates what you can do:
bruno=> select col from test order by col like 'bb%', col;col
-----aaaaaccccccdbbabbbbbc
(7 rows)