Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Oh.  Is that good?  If we set the sequence xid as frozen, how do we
> > rollback a sequence creation?
> 
> If we roll back a sequence creation, the whole table goes away.
> Conversely, even if we commit, no one can see the sequence until they
> can see the pg_class entry for it.  Thus, it doesn't matter what's in
> the tuple.

OK, so you are using the pg_class visibility/destuction as an
optimitation to prevent vacuum of sequences  --- sounds fine.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
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• Re: pgsql/src/backend/commands sequence.c at 2002-01-11 20:44:18 from Tom Lane

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