On Tue, Jul 20, 2021 at 4:33 PM Dilip Kumar <dilipbalaut@gmail.com> wrote:
>
> On Tue, Jul 20, 2021 at 3:43 PM Tomas Vondra
> <tomas.vondra@enterprisedb.com> wrote:
> >
> > Do we log the TOAST-ed values that were not updated?
>
> No, we don't, I have submitted a patch sometime back to fix that [1]
>
That patch seems to log WAL for key unchanged columns. What about if
unchanged non-key columns? Do they get logged as part of the new tuple
or is there some other way we can get those? If not, then we need to
probably think of restricting filter clause in some way.
--
With Regards,
Amit Kapila.