Alvaro Nunes Melo <[EMAIL PROTECTED]> writes:
> I noticed what i think is a weird behaviour with SRFs. When I use them
> in a SELECT clause, and the SRF returns no rows, the query returns no
> rows too, when I think it should return an a null column.

Why would you think that?  The behavior is exactly right as-is.

                        regards, tom lane

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