On Fri, Oct 29, 2021 at 7:28 AM Michael Paquier <mich...@paquier.xyz> wrote: > Yes, I agree that it is a good idea to cut the dependency of those > code paths with ThisTimeLineID, expecting IDENTIFY_SYSTEM to have done > the job beforehand. One argument in favor of your change, though I'd > like to think that nobody does so, is that users could run BASE_BACKUP > with a replication connection. So no need to hack pg_basebackup to be > able to finish with a WAL sender that has no TLI set in the backend.
Right. I mean, I think the current behavior is both unprincipled and unintentional. It's not like somebody would have intentionally designed the BASE_BACKUP command to rely on a global variable happening to have been set by a previous command. And if for some crazy reason they had done that, surely there would be some comments or something talking about it. It's just a (minor) mistake. > Your patch seems correct to me. Thanks, committed. -- Robert Haas EDB: http://www.enterprisedb.com