RDF::Query::Plan::Join(3)
Join query plan base class.
VERSION
This document describes RDF::Query::Plan::Join version 2.916.
METHODS
Beyond the methods documented below, this class inherits methods from the
RDF::Query::Plan class.
- "new ( $lhs, $rhs, $optional )"
-
- "lhs"
-
Returns the left-hand-side plan to the join.
- "rhs"
-
Returns the right-hand-side plan to the join.
- "optional"
-
- "bf ()"
-
Returns a string representing the state of the nodes of the triple (bound or free).
- "join_classes"
-
Returns the class names of all available join algorithms.
- "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_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".
