RDF::Query::Plan::Join(3pm) | User Contributed Perl Documentation | RDF::Query::Plan::Join(3pm) |
NAME¶
RDF::Query::Plan::Join - Join query plan base class.
VERSION¶
This document describes RDF::Query::Plan::Join version 2.918.
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".
AUTHOR¶
Gregory Todd Williams <gwilliams@cpan.org>
2024-04-12 | perl v5.38.2 |