On tor, 2010-08-05 at 14:38 -0400, Tom Lane wrote:
> Huh? The functionality proposed for removal is only that of omitting
> an explicit delimiter argument for string_agg(). Since the default
> value (an empty string) doesn't seem to be the right thing all that
> often anyway, I'm not following why you think this is a significant
> downgrade.
I just think it's useful to have the one-argument version. I understand
the functionality is available in other ways.