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

This document describes RDF::Query::Expression version 2.200, released 6 August 2009.

new ( $op,
@operands )Returns a new Expr structure.
construct_argsReturns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.
opReturns the operator of the expression.
operandsReturns a list of the operands of the expression.
sseReturns the SSE string for this alegbra expression.
typeReturns the type of this algebra expression.
referenced_variablesReturns a list of the variable names used in this algebra expression.
fixup ( $query,
$bridge,
$base,
\%namespaces )Returns a new pattern that is ready for execution using the given bridge. This method replaces generic node objects with bridge-native objects.

Gregory Todd Williams <gwilliams@cpan.org>