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)
ANDing restrictions makes them narrower.
If you want to broaden your selection, try ORing the conditions
HTH
Patrick
