NAME

RDF::Query::Plan::Filter - Executable query plan for Filters.

VERSION

This document describes RDF::Query::Plan::Filter version 2.918.

METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Plan class.

new ( $plan, $expr, $active_graph )
execute ( $execution_context )
next
close
pattern

Returns the query plan that will be used to produce the data to be filtered.

active_graph

Returns the active graph.

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>