NAME¶

RDF::Query::Plan::Project - Executable query plan for Projects.

VERSION¶

This document describes RDF::Query::Plan::Project version 2.919.

METHODS¶

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

"new ( $plan, \@keys )"

"execute ( $execution_context )"

"next"

"close"

"pattern"

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

"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".

"graph ( $g )"

"explain"

Returns a string serialization of the plan appropriate for display on the command line.

AUTHOR¶

 Gregory Todd Williams <gwilliams@cpan.org>