Nathan Bossart <nathandboss...@gmail.com> writes:
> On Thu, Aug 08, 2024 at 04:27:20PM +0200, Peter Eisentraut wrote:
>> The correct return type of a CRC operation in general is some kind of exact
>> numerical type. Just pick the best one that fits the result. I don't think
>> bytea is appropriate.
> That would leave us either "integer" or "bigint". "integer" is more
> correct from a size perspective, but will result in negative values because
> it is signed. "bigint" uses twice as many bytes but won't display any CRC
> values as negative.
bigint seems fine to me; we have used that in other places as a
substitute for uint32, eg block numbers in contrib/pageinspect.
regards, tom lane
