Hi again,
> Just to clarify, is t_ctid used for anything _but_ HOT?
Apparently, I got carried away with HOT too much. htup_details.h
pretty much answers that it does.
--
Best regards,
Aleksander Alekseev
Hi Tom,
> > Which brings a question, maybe it shouldn't
> > take that much space on disk.
>
> How would you make it optional? In particular, what are you going to
> to when it's time to update a row (and therefore insert a ctid link)
> and the page is already completely full?
In other words, if
Aleksander Alekseev writes:
> So t_ctid will point to the newer version of the tuple regardless of
> whether HOT is used or not. But I couldn't find an answer to how
> t_ctid is used when a tuple is not a part of a HOT chain, or is the
> last item in the chain.
t_ctid points to the tuple itself i
