NAME

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

VERSION

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

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.

 Gregory Todd Williams <gwilliams@cpan.org>