NAME

RDF::Query::Plan::Join - Join query plan base class.

VERSION

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

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>