Greg Stark <gsstark(at)mit(dot)edu> writes:
> What is the intended upgrade path for databases using contrib modules?
Normally you just upgrade 'em ...
> pg_restore: [archiver (db)] could not execute query: ERROR: could not find function "int2key_in" in file "/usr/local/pgsql/lib/btree_gist.so"
... however, what it looks like here is that the CVS-tip version of
contrib/btree_gist has got a completely different API than 7.4 did.
I suggest you beat up Oleg and Teodor about providing an upgrade path.
This isn't a Postgres bug per se, it's a btree_gist bug.
regards, tom lane