On Fri, Mar 20, 2020 at 3:58 PM Justin Pryzby <pry...@telsasoft.com> wrote: > > + A process that writes dirty pages and <glossterm>WAL > > + Records</glossterm> to the file system and creates a special > > Does the chckpointer actually write WAL ?
Yes. > An FK doesn't require the values in its table to be unique, right ? I believe it does require that the values are unique. > I think there's some confusion. Constraints are not objects, right ? I think constraints are definitely objects. They have names and you can, for example, COMMENT on them. > Do we use shared_buffers for WAL ? No. (I have not reviewed the patch; these are just a few comments on your comments.) -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company