On Thu, Jan 14, 2021 at 2:22 PM Simon Riggs <simon.ri...@enterprisedb.com> wrote:
> On Thu, Jan 14, 2021 at 5:46 PM Surafel Temesgen <surafel3...@gmail.com> > wrote: > > > On Fri, Jan 8, 2021 at 7:50 PM Ryan Lambert <r...@rustprooflabs.com> > wrote: > >> > >> I prefer to have them hidden by default. This was mentioned up-thread > with no decision, it seems the standard is ambiguous. MS SQL appears to > have flip-flopped on this decision [1]. > > I think the default should be like this: > > SELECT * FROM foo FOR SYSTEM_TIME AS OF ... > should NOT include the Start and End timestamp columns > because this acts like a normal query just with a different snapshot > timestamp > > SELECT * FROM foo FOR SYSTEM_TIME BETWEEN x AND y > SHOULD include the Start and End timestamp columns > since this form of query can include multiple row versions for the > same row, so it makes sense to see the validity times > +1 Ryan Lambert
