RDF::Query::Plan::Constant - Executable query plan for Constants.
This document describes RDF::Query::Plan::Constant version 2.918.
Beyond the methods documented below, this class inherits methods from the RDF::Query::Plan class.
new ( @variable_bindings )
execute ( $execution_context )
bindings
Returns a list of the variable bindings for this constant result set.
is_unit
Returns true if this constant result set is comprised of a single, empty variable binding.
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.
Gregory Todd Williams <gwilliams@cpan.org>
To install RDF::Query, copy and paste the appropriate command in to your terminal.
cpanm
cpanm RDF::Query
CPAN shell
perl -MCPAN -e shell install RDF::Query
For more information on module installation, please visit the detailed CPAN module installation guide.