| From: | David Wilson <david(dot)t(dot)wilson(at)gmail(dot)com> |
|---|---|
| To: | Joshua Berry <yoberi(at)gmail(dot)com> |
| Cc: | Postgresql General Mailing list <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Providing an alternative result when there is no result |
| Date: | 2009-05-18 19:38:11 |
| Message-ID: | e7f9235d0905181238l631f3793o8f69df5075f790dc@mail.gmail.com |
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| Lists: | pgsql-general |
On Mon, May 18, 2009 at 3:13 PM, Joshua Berry <yoberi(at)gmail(dot)com> wrote:
> Any hints/tips? Is our original solution okay, or is there something we can
> do to improve things?
It seems as if you don't really care about the results of the query-
just whether or not it returns any rows. In that case, why not
something like:
select (case when exists (select * from foo where...) then true else
false end) as result;
--
- David T. Wilson
david(dot)t(dot)wilson(at)gmail(dot)com
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