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>