Contents

module Philtre
  # used when transforming to unaltered or partially
  # altered datasets
  class EmptyExpression < Sequel::SQL::Expression
    # sometimes this is returned in place of an empty array
    def empty?; true; end
    def to_s_append( ds, s ); end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
philtre-0.1.2	lib/philtre/empty_expression.rb
philtre-0.1.1	lib/philtre/empty_expression.rb
philtre-0.1.0	lib/philtre/empty_expression.rb
philtre-0.0.1	lib/philtre/empty_expression.rb