On Thu, Dec 21, 2017 at 6:00 AM, Konstantin Knizhnik < k.knizh...@postgrespro.ru> wrote:
> There is still one significant difference of my prototype implementation > with SQL standard: it associates timestamp with select statement, not with > particular table. > It seems to be more difficult to support and I am not sure that joining > tables from different timelines has much sense. > But certainly it also can be fixed. I think the main use I would find for this feature is something like: select * from foo except select * from foo as old_foo as of '<some time>'; So I would be grateful if you can make that work. Also, I think conforming to the standards is pretty important where it is feasible to do that. Cheers, Jeff
