Re: [GENERAL] Table locks

[Tom Lane]

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?

                        regards, tom lane