NAME

RDF::Query::Algebra::GroupGraphPattern - Algebra class for GroupGraphPattern patterns

VERSION

This document describes RDF::Query::Algebra::GroupGraphPattern version 2.918.

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

"new ( @graph_patterns )": Returns a new GroupGraphPattern structure.
"construct_args": Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.
"patterns": Returns a list of the graph patterns in this GGP.
"add_pattern": Appends a new child pattern to the GGP.
"quads": Returns a list of the quads belonging to this GGP.
"sse": Returns the SSE string for this algebra expression.
"explain": Returns a string serialization of the algebra appropriate for display on the command line.
"as_sparql": Returns the SPARQL string for this algebra expression.
"as_hash": Returns the query as a nested set of plain data structures (no objects).
"as_spin ( $model )": Adds statements to the given model to represent this algebra object in the SPARQL Inferencing Notation (<http://www.spinrdf.org/>).
"type": Returns the type of this algebra expression.
"referenced_variables": Returns a list of the variable names used in this algebra expression.
"potentially_bound": Returns a list of the variable names used in this algebra expression that will bind values during execution.
"definite_variables": Returns a list of the variable names that will be bound after evaluating this algebra expression.
"check_duplicate_blanks": Returns true if blank nodes respect the SPARQL rule of no blank-label re-use across BGPs, otherwise throws a RDF::Query::Error::QueryPatternError exception.

 Gregory Todd Williams <gwilliams@cpan.org>