RDF::Query::Plan::SubSelect(3)
Executable query plan for sub-select queries.
VERSION
This document describes RDF::Query::Plan::SubSelect version 2.916.
METHODS
Beyond the methods documented below, this class inherits methods from the
RDF::Query::Plan class.
- "new ( $query, [ \%logging_keys ] )"
-
Returns a new SubSelect query plan object. "<$query"> is a RDF:Query object
representing a SELECT query.
- "execute ( $execution_context )"
-
- "next"
-
- "close"
-
- "query"
-
Returns the sub-select query object.
- "plan"
-
Returns the sub-select query plan object.
- "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 )"
-