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Contents
module SPARQL; module Algebra
class Operator
##
# The SPARQL UPDATE `insertData` operator.
#
# The INSERT DATA operation adds some triples, given inline in the request, into the Graph Store
#
# [38] InsertData ::= 'INSERT DATA' QuadData
#
# @example SPARQL Grammar
# PREFIX : <http://example.org/ns#>
# INSERT DATA { GRAPH <http://example.org/g1> { :s :p :o } }
#
# @example SSE
# (prefix
# ((: <http://example.org/ns#>))
# (update
# (insertData (
# (graph <http://example.org/g1> ((triple :s :p :o)))))))
#
# @see https://www.w3.org/TR/sparql11-update/#insertData
class InsertData < Operator::Unary
include SPARQL::Algebra::Update
NAME = [:insertData]
##
# Executes this upate on the given `writable` graph or repository.
#
# @param [RDF::Queryable] queryable
# the graph or repository to write
# @param [Hash{Symbol => Object}] options
# any additional keyword options
# @option options [Boolean] debug
# Query execution debugging
# @return [RDF::Queryable]
# Returns queryable.
# @raise [IOError]
# If `from` does not exist, unless the `silent` operator is present
# @see https://www.w3.org/TR/sparql11-update/
def execute(queryable, **options)
operand.each do |op|
debug(options) {"InsertData #{op.to_sxp}"}
queryable.insert(op)
end
queryable
end
##
#
# Returns a partial SPARQL grammar for this term.
#
# @return [String]
def to_sparql(**options)
"INSERT DATA {\n" +
operands.first.to_sparql(top_level: false, delimiter: ". \n", **options) +
"\n}"
end
end # InsertData
end # Operator
end; end # SPARQL::Algebra
Version data entries
6 entries across 6 versions & 1 rubygems