Sha256: 414d15002cafe1c36b5dad41306c07d1f5d29d6ee3ebd949003b635e0fb70549
Contents?: true
Size: 690 Bytes
Versions: 5
Compression:
Stored size: 690 Bytes
Contents
module Alf
module Algebra
class Page
include Operator
include Relational
include Unary
include WithOrdering
signature do |s|
s.argument :ordering, Ordering, []
s.argument :page_index, Integer, 1
s.option :page_size, Integer, 25, 'Size of the pages to compute'
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 page size `#{page_size}`") unless page_size >= 0
end
end # class Page
end # module Algebra
end # module Alf
Version data entries
5 entries across 5 versions & 1 rubygems