Nico Williams <nico(at)cryptonector(dot)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?
regards, tom lane