NAME

RDF::Query::Expression::Function - Class for Function expressions

VERSION

This document describes RDF::Query::Expression::Function version 2.918.

METHODS

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.

AUTHOR

 Gregory Todd Williams <gwilliams@cpan.org>