On Thu, 21 Oct 2021 at 22:46, Tom Lane <t...@sss.pgh.pa.us> wrote: > Japin Li <japi...@hotmail.com> writes: >> On Thu, 21 Oct 2021 at 19:54, Masahiko Sawada <sawada.m...@gmail.com> wrote: >>> BTW I think we can set the parameters from the subscriber side without >>> additional network round trips by specifying the "options" parameter >>> in the connection string, no? > >> Yes, we can. However, each client should be concerned the style for >> datestyle, IMO it is boring. > > There's another issue here: the subscriber can run user-defined code > (in triggers), while AFAIK the sender cannot.
Sorry, I'm not sure about this. Could you give me an example? > People might be surprised > if their triggers run with a datestyle setting different from the > database's prevailing setting. So while I think it should be okay > to set-and-forget the datestyle on the sender side, we could not get > away with that in the subscriber. We'd have to set and unset for > each row, much as (e.g.) postgres_fdw has to do. > Yeah! As Masahiko said, we can avoid the network round trips by specifying the "options" parameter in the connection string. If this way is more accepted, I'll update the patch later. -- Regrads, Japin Li. ChengDu WenWu Information Technology Co.,Ltd.