NAME

RDF::Query::Plan::Quad - Executable query plan for Quads.

VERSION

This document describes RDF::Query::Plan::Quad version 2.908.

METHODS

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

new ( @quad )

execute ( $execution_context )

next

close

nodes ()

bf ()

Returns a string representing the state of the nodes of the triple (bound or free).

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 )

AUTHOR

 Gregory Todd Williams <gwilliams@cpan.org>