Ciprian Popovici <ciprian@xxxxxxxxxx> writes:
> That is, a 8.0 which started on a 7.4.2 repository. After noticing,
> I switched back to 7.4.2, but now it gives this error and won't start:
I think you are omitting some relevant information, like what you did
to force the 8.0 postmaster to start in a wrong-version database. It
absolutely will not do that by itself --- I can name at least two
separate checks that are made to prevent this error.
regards, tom lane
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