NAME

Attean::IDPQueryPlanner - Iterative dynamic programming query planner

VERSION

This document describes Attean::IDPQueryPlanner version 0.003_01

SYNOPSIS

  use v5.14;
  use Attean;
  my $planner = Attean::IDPQueryPlanner->new();
  my $plan = $planner->plan_for_algebra( $algebra, $model, $dataset );
  my $e = Attean::QueryEvaluator->new();
  my $iter = $e->evaluate( $algebra, $active_graph );

DESCRIPTION

The Attean::IDPQueryPlanner class implements a query planner using the iterative dynamic programming approach.

ATTRIBUTES

METHODS

plans_for_algebra( $algebra, $model, \@active_graphs, \@default_graphs )

Returns Attean::API::Plan objects representing alternate query plans for evaluating the query $algebra against the $model, using the supplied $active_graph.

BUGS

Please report any bugs or feature requests to through the GitHub web interface at https://github.com/kasei/attean/issues.

SEE ALSO

http://www.perlrdf.org/

AUTHOR

Gregory Todd Williams <gwilliams@cpan.org>

COPYRIGHT

Copyright (c) 2014 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.