On 4 sep 2014, at 11:42, Pavel Stehule <pavel.stehule@gmail.com> wrote:
2014-09-04 11:22 GMT+02:00 Joel Jacobson <joel@trustly.com>:
>
> The point was, RETURNS returns 1 while RETURNS SETOF returns 0 .. n.
>
no RETURNS return "VALUE" (it is not a row) .. and in combination with
SELECT - value will be a row. RETURNS SETOF returns rows
I intentionally excluded the data type of what is returned.
1 "VALUE" vs 0...n "VALUES"
Do you still fail to see the point 1 "VALUE" is special in the context of
what a function returns?