Robert Haas <robertmhaas@gmail.com> writes:
> On Wed, Mar 21, 2012 at 8:13 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Another issue, quite independent from race conditions against other
>> observers of the row, is what if the tuple is part of an update chain?
>> You have no way to find the predecessor row version and update its
>> t_ctid forward link.
> I don't see why I need to. The predecessor, if any, points to the
> root of the HOT chain;
Oh, right. So scratch that objection. The other one is still fatal
though ...
regards, tom lane
