Robert Haas <[email protected]> writes:
> On Fri, Oct 28, 2011 at 2:48 PM, Tom Lane <[email protected]> wrote:
>> Hmm.  I wonder whether it wouldn't be better to get rid of the range
>> checks in BufferIsValid, or better convert them into Asserts.  It seems
>> less than intuitive that BufferIsValid and BufferIsInvalid aren't simple
>> inverses.

> Seems reasonable.  It would break if anyone is using an out-of-range
> buffer number in lieu of InvalidBuffer, but I doubt that anyone is.

Yeah, I find that unlikely as well.  But leaving Asserts in place would
tell us.

                        regards, tom lane

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