Bruce Momjian wrote:
> Jeff Davis wrote:
> > On Thu, 2011-04-07 at 17:06 -0400, Bruce Momjian wrote:
> > > I want to avoid anything that requires a compile because they are hard
> > > for many sites to install so TransactionIdPrecedes() is out. We will
> > > need to do this in PL/pgSQL probably.
> >
> > PL/pgSQL can't see dead rows, so that would not be correct. It's
> > guaranteed to be the same value you see from the heap or newer; because
> > if it's not visible in the heap, it's not going to be visible in the
> > toast table.
>
> Well, frankly all we need to do is set those hint bits before the clog
> gets remove, so maybe just a SELECT * would do the trick! That and
> maybe set the relfrozenxid to match the heap.
>
> It is there now or more people would be reporting problems.
Clarification, "the clog" is there now or more people would be reporting
problems.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +