Rene Pijlman <rpijlman@wanadoo.nl> writes:
> So it appears that your new statement that uses
> obj_description() and col_description() returns one row with a
> null when there is no comment, instead of 0 rows. Is this
> intentional?
That is how selecting a function result would work. If you don't
like the behavior then we can reconsider it --- but if it's per
spec then I think we should be happy.
regards, tom lane