Re: help with query: advanced ORDER BY...

On Jan 15, 2006, at 19:53 , <me(at)alternize(dot)com> <me(at)alternize(dot)com> wrote:

>> Something you may consider doing is creating a view that masks the
>> screen_number in those cases, something like
>>
>> create view schedule_public_view as
>> select theater_id
>> , screen_date
>> , screen_time
>> , case when no_screen_number then 0 else screen_number end as
>> screen_number
>> , movie_name
>> from schedules;
>
> wouldn't this be the same problem: pgsql not using the index for
> screen_number anymore?

That may be. Only way to be sure is to try it. (And I'm not
knowledgeable enough to know for sure.)

Michael Glaesemann
grzm myrealbox com