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Size: 800 Bytes
Versions: 16
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Contents
module SPARQL; module Algebra
class Operator
##
# The SPARQL ascending sort operator.
#
# @example
# (prefix ((foaf: <http://xmlns.com/foaf/0.1/>))
# (project (?name)
# (order ((asc ?name))
# (bgp (triple ?x foaf:name ?name)))))
#
# @see http://www.w3.org/TR/rdf-sparql-query/#func-isLiteral
class Asc < Operator::Unary
include Evaluatable
NAME = :asc
##
# Returns the evaluation of it's operand. Default comparison is in
# ascending order. Ordering is applied in {Order}.
#
# @param [RDF::Query::Solution, #[]] bindings
# @return [RDF::Term]
def evaluate(bindings = {})
operand(0).evaluate(bindings)
end
end # Asc
end # Operator
end; end # SPARQL::Algebra
Version data entries
16 entries across 16 versions & 1 rubygems