Hi, On 2017-03-23 13:14:59 -0400, Tom Lane wrote: > Looking at some of the coding choices you made here, I see that you're > making a hard assumption that called functions never scribble on their > fcinfo->arg/argnull arrays. I do not believe that we've ever had such > an assumption before.
I think we did that before, e.g. ExecEvalScalarArrayOp(). Think there's others too. > Are we comfortable with that? If so, we'd better document it. I think it's ok, but we indeed should document it. I recall a note somewhere... Can't find it anywhere however, might have misremembered a note about pass-by-ref arguments. fmgr/README? A note in FunctionCallInfoData's definition? Greetings, Andres Freund -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers