RDF::Query::Algebra::Project(3pm) User Contributed Perl Documentation RDF::Query::Algebra::Project(3pm)
NAME
RDF::Query::Algebra::Project - Algebra class for projection
VERSION
This document describes RDF::Query::Algebra::Project version 2.908.
METHODS
Beyond the methods documented below, this class inherits methods from the RDF::Query::Algebra class.
"new ( $pattern, @vars_and_exprs )"
Returns a new Project 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 projected to.
"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).
"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.
"bind_variables ( \%bound )"
Returns a new algebra pattern with variables named in %bound replaced by their corresponding bound values.
"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 <gwilliams@cpan.org>
perl v5.14.2 2012-01-31 RDF::Query::Algebra::Project(3pm)