This comes from discussions at PGCON A backend can now have multiple versions of the slony shared library loaded. This can lead to confusion and conflicts in symbol names. To prevent this we need the symbols to contains the version name (or have some other way of specifying uniqueness)
Created attachment 164 [details] Patch to version the symbols https://github.com/ssinger/slony1-engine/commit/d352214ed984a8749156f8291ec55ef04733e17d
Committed for 2.2.0 beta 4 http://git.postgresql.org/gitweb/?p=slony1-engine.git;a=commit;h=df50a63646f1962a40d384bf628671729fb81e36