NAME

RDF::Query::Plan::Aggregate - Executable query plan for Aggregates.

VERSION

This document describes RDF::Query::Plan::Aggregate version 2.900_01, released 30 January 2010.

METHODS

new ( $pattern, \@group_by, expressions => [ [ $alias, $op, \%options, @attributes ], ... ] )

execute ( $execution_context )

next

close

pattern

Returns the query plan that will be used to produce the aggregated data.

groupby

Returns the grouping arguments that will be used to produce the aggregated data.

plan_node_name

Returns the string name of this plan node, suitable for use in serialization.

sse ( $context, $indent )

distinct

Returns true if the pattern is guaranteed to return distinct results.

ordered

Returns true if the pattern is guaranteed to return ordered results.

AUTHOR

Gregory Todd Williams <gwilliams@cpan.org>