On Mon, Oct 02, 2017 at 02:30:38PM -0400, Tom Lane wrote: > Nico Williams <n...@cryptonector.com> writes: > > On Mon, Oct 02, 2017 at 12:50:14PM -0400, Adam Brusselback wrote: > >> So for me, i'd rather default to compute on read, as long storing the > >> pre-computed value is an option when necessary. > > > Sure, I agree. I was just wondering whether there might be any other > > difference besides performance characteristics. The answer to that is, > > I think, "no". > > What about non-immutable functions in the generation expression?
Aha, thanks! Yes, that would be noticeable. Nico -- -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers