Gerhard Hintermayer <g.hintermayer@inode.at> writes:
> ... x should be y
> I do get these messages one 2 of my servers running mostly on identical
> data. The servers are unix-based and are running 8.1.8 under linux (Gentoo).
Update.
http://developer.postgresql.org/pgdocs/postgres/release-8-1-9.html
regards, tom lane