On Thu, Sep 17, 2009 at 10:21 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Hannu Krosing <hannu@2ndQuadrant.com> writes:
>> On Wed, 2009-09-16 at 21:19 -0400, Tom Lane wrote:
>>> VACUUM FULL CONCURRENTLY is a contradiction in terms. Wishing it were
>>> possible doesn't make it so.
>
>> It depends on what do you mean by "VACUUM FULL"
>
> Anything that moves tuples is not acceptable as a hidden background
> operation, because it will break applications that depend on CTID.
I'm a bit confused. CTIDs change all the time anyway, whenever you
update the table. What could someone possibly be using them for?
...Robert