On Mon, Jan 9, 2017 at 6:03 PM, Craig Ringer <cr...@2ndquadrant.com> wrote: > Immutable functions can and do use functionality from all over the > server. They just don't depend on user-visible mutable _state_ > elsewhere in the server.
OK, fair point, but at least the functionality *could* be written without using existing C functions, since its only the input that determine what output will be returned. The dependencies used by the immutable functions can also be ported, function by function, until there are no dependencies. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
