> Bruce Momjian <[EMAIL PROTECTED]> 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...

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  Bruce Momjian                        |  http://candle.pha.pa.us
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