RDF::Query::Plan::Join - Join query plan base class.
This document describes RDF::Query::Plan::Join version 2.918.
Beyond the methods documented below, this class inherits methods from the RDF::Query::Plan class.
new ( $lhs, $rhs, $optional )
lhs
Returns the left-hand-side plan to the join.
rhs
Returns the right-hand-side plan to the join.
optional
bf ()
Returns a string representing the state of the nodes of the triple (bound or free).
join_classes
Returns the class names of all available join algorithms.
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_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.