NAME
Attean::API::IDPJoinPlanning - Iterative dynamic programming query planning role
VERSION
This document describes Attean::API::IDPJoinPlanning version 0.009
SYNOPSIS
extends 'Attean::QueryPlanner';
with 'Attean::API::IDPJoinPlanning';DESCRIPTION
The Attean::API::IDPJoinPlanning role provides a query planner the joins_for_plan_alternatives method, as well as the cost estimation methods that consume the Attean::API::CostPlanner role.
ATTRIBUTES
METHODS
BUGS
Please report any bugs or feature requests to through the GitHub web interface at https://github.com/kasei/attean/issues.
REFERENCES
The seminal reference for Iterative Dynamic Programming is "Iterative dynamic programming: a new class of query optimization algorithms" by D. Kossmann and K. Stocker, ACM Transactions on Database Systems (2000).
The heuristics to order triple patterns in this module is influenced by The ICS-FORTH Heuristics-based SPARQL Planner (HSP).
SEE ALSO
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.