class ActiveRecord::ConnectionAdapters::AbstractAdapter::Version

def <=>(version_string)
  @version <=> version_string.split(".").map(&:to_i)
end

def initialize(version_string, full_version_string = nil)
  @version = version_string.split(".").map(&:to_i)
  @full_version_string = full_version_string
end

def to_s
  @version.join(".")
end