NAME¶
RDF::Query::Plan::Constant - Executable query plan for Constants.
VERSION¶
This document describes RDF::Query::Plan::Constant version 2.908.
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>