lib/axiom/relation/empty.rb
# encoding: utf-8
module Axiom
class Relation
# An empty relation
class Empty < Materialized
# Initialize an empty Relation
#
# @param [Header] header
# the header for the empty relation
#
# @return [undefined]
#
# @api public
def initialize(header)
super(header, ZERO_TUPLE)
end
end # class Empty
end # class Relation
end # module Axiom