Re: SELECT MAX question

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От Eric G. Miller
Тема Re: SELECT MAX question
Дата
Msg-id 20010331215650.B678@calico.local
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Ответ на SELECT MAX question  ("Jacob" <Jay@cob.com>)
Список pgsql-general
On Sat, Mar 31, 2001 at 09:11:39PM -0500, Jacob wrote:
> I have an sql tatement in my ASP page that has a WHERE date = (SELECT
> MAX(other_date) FROM SomeTable WHERE Blah1 = Blah2) clause.  What's
> happening is that the query is grabbing the latest date ONLY if
> something something is in the "other_date" field.  If the "other_date"
> field is blank, then the record is not chosen.  My question is, how do
> I grab the latest date of "other_date" even if the it happens to be
> blank?

Think about what you're asking.  How can anything or anybody know
whether or not a NULL date is greater than some other date?  Maybe you
want to look into having a timestamp with a default of
CURRENT_TIMESTAMP?

--
Eric G. Miller <egm2@jps.net>

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