NAME

RDF::Query::Plan::Construct - Executable query plan for constructing a graph from a set of variable bindings.

VERSION

This document describes RDF::Query::Plan::Construct version 2.919.

METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Plan class.

new ( $plan, \@triples )

execute ( $execution_context )

next

close

pattern

Returns the query plan that will be used to produce the variable bindings for constructing the new graph.

triples

Returns the triples that are to be used in constructing the new graph for each variable binding.

distinct

Returns true if the pattern is guaranteed to return distinct results.

ordered

Returns true if the pattern is guaranteed to return ordered results.

plan_node_name

Returns the string name of this plan node, suitable for use in serialization.

plan_prototype

Returns a list of scalar identifiers for the type of the content (children) nodes of this plan node. See RDF::Query::Plan for a list of the allowable identifiers.

plan_node_data

Returns the data for this plan node that corresponds to the values described by the signature returned by plan_prototype.

explain

Returns a string serialization of the query plan appropriate for display on the command line.

graph ( $g )

as_iterator ( $context )

Returns an RDF::Trine::Iterator object for the current (already executed) plan.

AUTHOR

Gregory Todd Williams <gwilliams@cpan.org>