On Thu, May 6, 2021 at 6:44 AM Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
This case is the reason we invented the "stable" attribute to begin
with. People have since misinterpreted it as authorizing caching of
function results, but that's not what it was intended for.
This is a good paragraph...if something like it gets added to the create function documentation mis-interpretations are likely to decrease. I personally did not draw this conclusion after having read that particular piece of documentation multiple times over the years.
David J.