Florian Pflug <f...@phlo.org> writes: > The subtle point here is whether you consider the view from the "outside" (in > the sense of what a read-only transaction started at an arbitrary time can or > cannot observe), or from the "inside" (what updating transactions can observe > and might base their updates on).
> The former case is completely determined by the commit ordering of the > transactions, while the latter is not - otherwise serializability wouldn't be > such a hard problem. BTW, doesn't all this logic fall in a heap as soon as you consider read-committed transactions? regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers