Tom Lane <t...@sss.pgh.pa.us> writes:

> Dimitri Fontaine <dfonta...@hi-media.com> writes:
>> My vote would go to detect and error out without recovering option. If
>> the tool is not able to handle a situation and knows it, I don't see
>> what would be good about it leting the user lose data on purpose.
>
> No, that's not what's being discussed.  The proposal is to have it error
> out when it *does not* know whether there is a real problem; and, in
> fact, when there's only a rather low probability of there being a real
> problem.  My view is that that's basically counterproductive.  It leads
> directly to having to have a --force switch and then to people using
> that switch carelessly.

True, it could be that the data type representation has not changed
between 8.3 and 8.4, nor the index content format. In this case
pg_migrator will work fine on the cluster as soon as you installed the
new .so...

So the case where pg_migrator still fails is when the .sql file of the
module has changed in a way that restoring what pg_dump gives no longer
match what the .so exposes, or if the new .so is non backward
compatible?

Ok, maybe there's a way it'll just work. I withdraw my vote.

Thanks for your patience, regards,
-- 
dim

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