Yes, clearly that is the wrong result according to the SQL standard.
Here is a SQL*Server query:
select 1 where 'a' = 'a ' AND 'a' = 'a ' AND 'a ' = 'a '
It returns (correctly): 1
> -----Original Message-----
> From: pgsql-general-owner@postgresql.org [mailto:pgsql-general-
> owner@postgresql.org] On Behalf Of Marc G. Fournier
> Sent: Wednesday, October 19, 2005 11:41 AM
> To: Richard_D_Levine@raytheon.com
> Cc: pgsql-general@postgresql.org
> Subject: Re: [pgsql-advocacy] [GENERAL] Oracle buys Innobase
>
> On Wed, 19 Oct 2005, Richard_D_Levine@raytheon.com wrote:
>
> > I was referring to trailing blanks, but did not explicitly say it,
> > though showed it in the examples. I am pretty sure that the SQL
> > standard says that trailing whitespace is insignificant in string
> > comparison.
>
> Then we are broken too :)
>
> # select 'a ' = 'a ';
> ?column?
> ----------
> f
> (1 row)
>
> ----
> Marc G. Fournier Hub.Org Networking Services
> (http://www.hub.org)
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