Re: Table locks

> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > No spinlock.  I was going to just grab a snapshot as it existed.  If it
> > changes while I am grabbing it, I just try again.
>
> Unless, of course, you follow a now-dangling pointer and cause a backend
> crash.  But even without that, how do you know whether you grabbed a
> self-consistent snapshot or not?

Not sure, yet...

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026