At Wed, 19 Apr 2017 10:33:29 +0200, Petr Jelinek <petr.jeli...@2ndquadrant.com> wrote in <ed73a706-9e15-f137-2d55-f05361f2d...@2ndquadrant.com> > > Commit has been moved from after to before of the lock section. > > This causes potential race condition. (As the same as the > > potential dead-lock, I'm not sure it can cause realistic problem, > > though..) Isn't it better to be after the lock section? > > > > We just read catalogs so there should not be locking issues.
Some other process may modify it then go to there. With a kind of priority inversion, the process may modify the data on the memory *before* we modify it. Of course this is rather unrealistic, though. regards, -- Kyotaro Horiguchi NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
