RDF::Query::Expression::Function - Class for Function expressions
This document describes RDF::Query::Expression::Function version 2.918.
Beyond the methods documented below, this class inherits methods from the RDF::Query::Expression class.
new ( $uri, @arguments )
Returns a new Expr structure.
uri
Returns the URI of the function.
arguments
Returns a list of the arguments to the function.
sse
Returns the SSE string for this algebra expression.
as_sparql
Returns the SPARQL string for this algebra expression.
type
Returns the type of this algebra expression.
qualify_uris ( \%namespaces, $base_uri )
Returns a new algebra pattern where all referenced Resource nodes representing QNames (ns:local) are qualified using the supplied %namespaces.
evaluate ( $query, \%bound, $context )
Evaluates the expression using the supplied bound variables. Will return a RDF::Query::Node object.
Gregory Todd Williams <gwilliams@cpan.org>
To install RDF::Query, copy and paste the appropriate command in to your terminal.
cpanm
cpanm RDF::Query
CPAN shell
perl -MCPAN -e shell install RDF::Query
For more information on module installation, please visit the detailed CPAN module installation guide.