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Contents
module SPARQL; module Algebra
class Operator
##
# The SPARQL GraphPattern `bgp` operator.
#
# Query with `graph_name` set to false.
#
# @example SPARQL Grammar
# PREFIX : <http://example/>
# SELECT * { ?s ?p ?o }
#
# @example SSE
# (prefix ((: <http://example/>))
# (bgp (triple ?s ?p ?o)))
#
# @example SPARQL Grammar (sparql-star)
# PREFIX : <http://example.com/ns#>
# SELECT * {<< :a :b :c >> :p1 :o1.}
#
# @example SSE (sparql-star)
# (prefix ((: <http://example.com/ns#>))
# (bgp (triple (qtriple :a :b :c) :p1 :o1)))
#
# @see https://www.w3.org/TR/sparql11-query/#sparqlAlgebra
class BGP < Operator
NAME = [:bgp]
##
# A `graph` is an RDF::Query with a graph_name.
#
# @overload self.new(*patterns)
# @param [Array<RDF::Query::Pattern>] patterns
# @yield [solution]
# each matching solution
# @yieldparam [RDF::Query::Solution] solution
# @yieldreturn [void] ignored
# @return [RDF::Query]
def self.new(*patterns, **options, &block)
RDF::Query.new(*patterns, graph_name: false, &block)
end
end # BGP
end # Operator
end; end # SPARQL::Algebra
Version data entries
6 entries across 6 versions & 1 rubygems