NAME

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

VERSION

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

"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.
"as_hash": Returns the expression as a nested set of plain data structures (no objects).
"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>