NAME

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

VERSION

This document describes RDF::Query::Expression version 2.908.

new ( $op, @operands ): Returns a new Expr structure.
construct_args: Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.
op: Returns the operator of the expression.
operands: Returns a list of the operands of the expression.
sse: Returns the SSE string for this algebra expression.
explain: Returns a string serialization of the expression appropriate for display on the command line. This method is primarily used by the explain method of the subclasses of RDF::Query::Plan.
type: Returns the type of this algebra expression.
referenced_variables: Returns a list of the variable names used in this algebra expression.
nonaggregated_referenced_variables: Returns a list of the variable names used in this algebra expression except those used as aliases for aggregate operations.

 Gregory Todd Williams <gwilliams@cpan.org>

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