On Sat, 10 Jul 2004, Alvaro Herrera wrote:
> That's why it's absurd. Why allow an operation which isn't really an
> operation?
Same reason why you allow an addition with 0. One can say that it's
not really an operation either.
One can have many different semantics, here are 3 versions:
1) You release savepoints in any order
2) You release savepoints in reverse order
3) You release any savepoints and later ones then the
one you released are automatically released.
I don't see any of these as absurd. The ansi spec uses number 3.
It might seem absurd to you, given the implementation you have made.
--
/Dennis Bj�rklund
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