On Mon, Jan 5, 2015 at 9:57 PM, Robert Haas <
robertmhaas@gmail.com> wrote:
>
> On Sat, Jan 3, 2015 at 7:31 PM, Andres Freund <
andres@2ndquadrant.com> wrote:
>
> > * Doesn't the restriction in GetSerializableTransactionSnapshotInt()
> > apply for repeatable read just the same?
>
> Yeah. I'm not sure whether we really need that check at all, because
> there is a check in GetTransactionSnapshot() that probably checks the
> same thing.
>
The check in GetSerializableTransactionSnapshotInt() will also prohibit
any user/caller of SetSerializableTransactionSnapshot() in parallel mode
as that can't be prohibited by GetTransactionSnapshot().