---
name: "RDF::Query::Expression::Alias"
section: "3pm"
platform: "linux"
package: "librdf-query-perl"
version: "2.919-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/RDF::Query::Expression::Alias"
---

# RDF::Query::Expression::Alias(3pm)

Class for aliasing expressions with variable names

## NAME

RDF::Query::Expression::Alias - Class for aliasing expressions with variable names

## VERSION

This document describes RDF::Query::Expression::Alias version 2.919.

## METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Expression class.

- "name"

  Returns the variable name of the aliased expression.

- "alias"

  Returns the variable object of the aliased expression.

- "expression"

  Returns the expression object of the aliased expression.

- "sse"

  Returns the SSE string for this algebra expression.

- "as\_sparql"

  Returns the SPARQL string for this algebra expression.

- "evaluate ( $query, \\%bound, $context )"

  Evaluates the expression using the supplied bound variables. Will return a RDF::Query::Node object.

- "as\_hash"

  Returns the alias as a nested set of plain data structures (no objects).

## AUTHOR

```
 Gregory Todd Williams <gwilliams@cpan.org>
```