Re: Comparing dates - Mailing list pgsql-sql

From Jie Liang
Subject Re: Comparing dates
Date
Msg-id Pine.BSF.4.10.10103061127040.89658-100000@tidal.ipinc.com
Whole thread Raw
In response to Comparing dates  (Markus Fischer <mfischer@josefine.ben.tuwien.ac.at>)
List pgsql-sql
I think if you cast it then works.

e.g.
'02-03-2001'::date
'02-03-2001'::timestamp

Jie LIANG

St. Bernard Software

10350 Science Center Drive
Suite 100, San Diego, CA 92121
Office:(858)320-4873

jliang@ipinc.com
www.stbernard.com
www.ipinc.com

On Tue, 6 Mar 2001, Markus Fischer wrote:

> Hello,
> 
> I've a SELECT statement on many joined Tabled and one of them has
> a date column called 'date_date'. When I fetch a date e.g.
> '02-03-2001', I get, say, 60 results back. When I now perform the
> same query with another date, lets take '03-03-2001', I get back
> about 70 results.
> 
> When I now modify my query to get both results in one I write
> 
> SELECT
>     ....
> FROM
>     ..
>     AND
>         date_date >= '2001-03-02'
>     AND
>         date_date <= '2001-03-03'
>     AND
>     ....
> 
> I think I should get back the rows for both days, 60 + 70 makes
> 130 to me. But what I get back is even smaller then 60. I
> allready tried TO_DATE conversion, an OR construct but always
> the same result.
> 
> Is there something special to know when comparing/working with
> date-datetypes ?
> 
> 
> kind regards,
>     Markus
> 
> -- 
> Markus Fischer,  http://josefine.ben.tuwien.ac.at/~mfischer/
> EMail:         mfischer@josefine.ben.tuwien.ac.at
> PGP Public  Key: http://josefine.ben.tuwien.ac.at/~mfischer/C2272BD0.asc
> PGP Fingerprint: D3B0 DD4F E12B F911 3CE1  C2B5 D674 B445 C227 2BD0
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
>     (send "unregister YourEmailAddressHere" to majordomo@postgresql.org)
> 



pgsql-sql by date:

Previous
From: Michael Fork
Date:
Subject: Re: Date question
Next
From: Peter Eisentraut
Date:
Subject: Re: [GENERAL] Date question