Re: count(1) return 0?
От | Zak McGregor |
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Тема | Re: count(1) return 0? |
Дата | |
Msg-id | 20040301030229.5bbf6565.zak@mighty.co.za обсуждение исходный текст |
Ответ на | Re: count(1) return 0? (Bill Moran <wmoran@potentialtech.com>) |
Ответы |
Re: count(1) return 0?
Re: count(1) return 0? |
Список | pgsql-general |
On Sun, 29 Feb 2004 19:55:15 -0500 Bill Moran <wmoran@potentialtech.com> wrote: > Not really sure I understand what you want, but try something like this: > > select case when count(*) > 0 then ''t'' else ''f'' end from ... Unfortunately that does not work. When the resultset contains no records whatsoever, I get no rows at all - so on case...else sort of expression within the select itself will work. What I am looking for is a way to select "0" if no rows are returned, or the total number of rows returned from the query otherwise. Thanks anyways though. Ciao Zak -- ======================================================================== http://www.carfolio.com/ Searchable database of 10 000+ car specs ========================================================================
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