NAME

RDF::Query::Plan::Constant - Executable query plan for Constants.

VERSION

This document describes RDF::Query::Plan::Constant version 2.200, released 6 August 2009.

METHODS

new ( @variable_bindings )

execute ( $execution_context )

next

close

size

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.

AUTHOR

 Gregory Todd Williams <gwilliams@cpan.org>