class ActiveRecord::Associations::JoinDependency::JoinBase

def ==(other)
  other.class == self.class &&
    other.base_klass == base_klass
end

def aliased_prefix
  "t0"
end

def aliased_table_name
  base_klass.table_name
end

def table
  Arel::Table.new(table_name, arel_engine)
end