
RDF::Query::Plan::Union - Executable query plan for unions.

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

new ( $lhs,
$rhs )
execute ( $execution_context )
next
close
lhsReturns the left-hand-side plan to the union.
rhsReturns the right-hand-side plan to the union.
distinctReturns true if the pattern is guaranteed to return distinct results.
orderedReturns true if the pattern is guaranteed to return ordered results.
plan_node_nameReturns the string name of this plan node, suitable for use in serialization.
plan_prototypeReturns 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_dataReturns the data for this plan node that corresponds to the values described by the signature returned by plan_prototype.
graph ( $g )
Gregory Todd Williams <gwilliams@cpan.org>