On 1/26/21 1:16 PM, Simon Riggs wrote: > On Tue, Jan 26, 2021 at 11:33 AM Vik Fearing <v...@postgresfriends.org> wrote: >> >> On 1/11/21 3:02 PM, Simon Riggs wrote: >>> * UPDATE foo SET start_timestamp = DEFAULT should fail but currently doesn't >> >> I'm still in the weeds of reviewing this patch, but why should this >> fail? It should not fail. > > It should not be possible for the user to change the start or end > timestamp of a system_time time range, by definition.
Correct, but setting it to DEFAULT is not changing it. See also SQL:2016 11.5 <default clause> General Rule 3.a. -- Vik Fearing