Peter Eisentraut <pete...@gmx.net> writes:
> 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.

Well, other things being equal I'd have preferred to keep the
one-argument version too.  But this thread has made it even clearer than
before that we will get continuing bug reports if we leave the behavior
alone.  I don't think the ability to leave off the delimiter value is
worth the amount of confusion it'll cause.

                        regards, tom lane

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