Provided by: librdf-query-perl_2.916-1_all
RDF::Query::Expression - Class for Expr expressions
This document describes RDF::Query::Expression version 2.916.
"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 <firstname.lastname@example.org>