Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Jim C. Nasby wrote:
>> Watching the discussion about how to handle nextval() and keep it dump
>> compatible makes me wonder: would it be useful to encode database or
>> dump version info into dumps?
> If we ever get to a case where we _need_ to use it, it would be good to
> have, just in case.
The trouble is that it won't help you until years after you invest
the work --- invariably, the version info you wish you had is for
distinguishing between different *old* releases.
I'm not real excited about it myself. My own design experience says
that version numbers aren't that hot as a way of determining "does this
data have the X nature?". If you can't test for the problem directly,
you haven't thought hard enough.
regards, tom lane
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