RDF::Query::Expression::Function(3)
Class for Function expressions
VERSION
This document describes RDF::Query::Expression::Function version 2.916.
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.