RDF::Query::Expression - Class for Expr expressions
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>
To install RDF::Query, copy and paste the appropriate command in to your terminal.
cpanm
cpanm RDF::Query
CPAN shell
perl -MCPAN -e shell install RDF::Query
For more information on module installation, please visit the detailed CPAN module installation guide.