Craig Ringer <cr...@2ndquadrant.com> writes: > On 18 October 2016 at 04:19, Andres Freund <and...@anarazel.de> wrote: >> On 2016-10-17 16:16:37 -0400, Robert Haas wrote: >>> I wouldn't think that cross-file references would be especially >>> common. Functions that take PG_FUNCTION_ARGS and return Datum aren't >>> a lot of fun to call from C. But maybe I'm wrong.
>> There's a fair number of DirectFunctionCall$Ns over the backend. > It's only an issue if one contrib calls another contrib (or the core > backend code calls into a contrib, but that's unlikely) via > DirectFunctionCall . No, it's cross *file* references within a single contrib module that would be likely to need extern declarations in a header file. That's not especially weird IMO. I'm not sure how many cases there actually are though. regards, tom lane -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers