Update to make this gem work with Rails 3.1. No longer backward compatible with Rails 2 or 3.0. The implementation may be mysql specific, as one line was taken from the Mysql2 adapter.
Update to make this gem work with Rails 3.1. No longer backward
compatible with Rails 2 or 3.0. The implementation may be mysql specific,
as one line was taken from the Mysql2 adapter.

goobet/acts_as_archive,techbang/acts_as_archive