On 4 sep 2014, at 11:42, Pavel Stehule <pavel.steh...@gmail.com> wrote:
2014-09-04 11:22 GMT+02:00 Joel Jacobson <j...@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?