NAME

RDF::Query::Algebra::Minus - Algebra class for Minus patterns

VERSION

This document describes RDF::Query::Algebra::Minus version 2.900_01, released 30 January 2010.

METHODS

new ( $pattern, $opt_pattern )

Returns a new Minus structure.

construct_args

Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.

pattern

Returns the base pattern (LHS) onto which the minus pattern matches.

minus

Returns the minus pattern (RHS).

sse

Returns the SSE string for this alegbra expression.

as_sparql

Returns the SPARQL string for this alegbra expression.

as_hash

Returns the query 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.

binding_variables

Returns a list of the variable names used in this algebra expression that will bind values during execution.

definite_variables

Returns a list of the variable names that will be bound after evaluating this algebra expression.

AUTHOR

Gregory Todd Williams <gwilliams@cpan.org>