The following bug has been logged on the website:
Bug reference: 8443
Logged by: Bartłomiej Rychtarski
Email address: b(dot)rychtarski(at)teb-akademia(dot)pl
PostgreSQL version: 9.2.4
Operating system: debian
Description:
executed full dump of database without oids:
pg_dump -v -a -E UTF8 --disable-dollar-quoting --disable-triggers
after restoring database from dump in each table there are rows with
duplicated oids
problem applies to about 2% of rows in each table