Andrew Dunstan <and...@dunslane.net> writes:
> On 08/31/2015 07:32 PM, Bruce Momjian wrote:
>> Still, I don't know how many people are doing this, but the right fix is
>> to get the names of the modules that are superceeded and tell pg_upgrade
>> to skip them.
> I don't think this knowledge should be hardcoded in pg_upgrade. I could
> see some point in a switch that would tell pg_upgrade a list of
> extensions to ignore.
That would not be terribly helpful for cases where the pg_upgrade call is
embedded in some wrapper script or other.
In any case, there is plenty of precedent for hard-coding knowledge about
specific version updates into pg_upgrade. The question here is whether
it's feasible to handle extensions that way. I think we could reasonably
expect to know about cases where a formerly separate extension got
integrated into core, but are there other cases where pg_upgrade would
need to ignore an extension in the old database?
regards, tom lane
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