NAME

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

VERSION

This document describes RDF::Query::Plan::Aggregate version 2.919.

METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Plan class.

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.

plan_node_data

Returns the data for this plan node that corresponds to the values described by the signature returned by plan_prototype.

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>