On Thu, Dec 7, 2017 at 2:53 PM, Chapman Flack <c...@anastigmatix.net> wrote: > On 12/07/2017 02:38 PM, Joshua D. Drake wrote: >> A B C >> foo,bar,baz >> foo,bar,baz >> >> And then I say: >> >> UPDATE test set A = 1 where C = baz >> >> I have updated two rows because there is no primary key to identify the >> differences. Both of those rows should be updated and thus replicated > > Would the subscriber see two records reporting update of a > foo,bar,baz row to 1, so it would do that to (arbitrarily) > one of them the first time, and (necessarily) the other, the > second time?
Exactly. (I think.) -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company