Re: [PATCHES] [PATCH] Provide 8-byte transaction IDs to

"Marko Kreen" <markokr@gmail.com> writes:
> On 8/21/06, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I'm not following the point here.  Dump and restore has never intended
>> to preserve the transaction counter, so why should it preserve
>> high-order bits of the transaction counter?

> Thus it guarantees that any new issued large txid's will be larger
> than existing ones in tables.  Thus code can depend on monotonous
> growth.

Within a single installation, sure, but I don't buy that we ought to try
to preserve XIDs across installations.
        regards, tom lane