On Tue, 17 Feb 2004, Tom Lane wrote:
> elein <elein@varlena.com> writes:
> > This is an example of the problem. It used to expand
> > the middle thing to 15.
>
> > elein=# select 'x' || ' '::char(15) || 'x';
> > ?column?
> > ----------
> > xx
> > (1 row)
>
> Still does, but then the spaces go away again when the value goes into
> the concatenation, because concatenation is a text operator.
But then this:
select 'x'||' '||'x'
should produce xx, but it produces x x.