Sha256: c3acf585de427bb305238d060aa9a507f866bc48924b03e629239d6622c6a538
Contents?: true
Size: 719 Bytes
Versions: 5
Compression:
Stored size: 719 Bytes
Contents
module Alf
module Algebra
class Frame
include Operator
include Relational
include Unary
include WithOrdering
signature do |s|
s.argument :ordering, Ordering, []
s.argument :offset, Integer, 0
s.argument :limit, Integer, 25
end
def heading
operand.heading
end
def keys
operand.keys
end
private
def _type_check(options)
valid_ordering!(ordering, operand.attr_list)
type_check_error!("invalid offset `#{offset}`") unless offset >= 0
type_check_error!("invalid limit `#{limit}`") unless limit >= 0
end
end # class Frame
end # module Algebra
end # module Alf
Version data entries
5 entries across 5 versions & 1 rubygems