duplicate primary index in bayes db from SpamAssassin

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Dear list, I don't know whether pgsql-admin or the SA list is the=20
correct one to ask, so I start here. I have a bayes Postgres database=20
for SpamAssassin, which I use shared from 2 servers to have the same=20
content. I think this could be a locking issue or whatever, I don't=20
care. BUT: I have lots of "duplicate index" elements now, preventing a=20
restore or cleanup. Here's the dump and diff if anyone cares:
http://zmi.at/x/bayes_dup_idx.dump.bz2
(upload currently running)
http://zmi.at/x/bayes_dup_idx.diff.bz2

Could the problem be caused by any settings to the DB, or because of
the=20
stored procedures? Normally there should be no way this can happen, so=20
what can cause this?

mfg zmi
=2D-=20
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