Nikhil Sontakke <nikhil.sonta...@enterprisedb.com> writes: >> Consider >> srf(foo(col)) >> where foo returns a pass-by-reference datatype.
> Yeah this is my basic confusion. But wouldn't the arguments be > evaluated afresh on the subsequent call for this SRF? No, see ExecMakeFunctionResult(). If we did that we'd have serious problems with volatile functions, ie srf(random()). regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers