NAME¶

RDF::Query::Plan::Constant - Executable query plan for Constants.

VERSION¶

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

METHODS¶

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

"new ( @variable_bindings )"

"execute ( $execution_context )"

"bindings"

Returns a list of the variable bindings for this constant result set.

"is_unit"

Returns true if this constant result set is comprised of a single, empty variable binding.

"next"

"close"

"size"

"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>