On Tue, Jan 26, 2016 at 5:35 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote: > Vitaly Burovoy pointed on bug in my patch - a pg_size_bytes was VOLATILE > function. It is copy/paste bug - I used pg_size_pretty definition, so the > question is: why pg_size_pretty is volatile? It should be immutable too.
+1. This function relies only on the input of its argument to generate a result.