# RDF::QUERY::ALGEBRA::EXTEND(3PM) - man page online | library functions

Algebra class for extending the variable projection.

Chapter

2015-10-16

RDF::Query::Algebra::Extend(3pmUser Contributed Perl DocumentatioRDF::Query::Algebra::Extend(3pm)## NAME

RDF::Query::Algebra::Extend - Algebra class for extending the variable projection## VERSION

This document describes RDF::Query::Algebra::Extend version 2.916.## METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Algebra class. "new ( $pattern, \@vars_and_exprs )" Returns a new Extend structure. "construct_args" Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern. "pattern" Returns the pattern to be sorted. "vars" Returns the vars to be extended. "sse" Returns the SSE string for this algebra expression. "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). "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. "is_solution_modifier" Returns true if this node is a solution modifier.## AUTHOR

Gregory Todd Williams <@cpan.org>perl v5.20.2 2015-10-16 RDF::Query::Algebra::Extend(3pm)