1Attean::API::QueryPlannUesre(r3)Contributed Perl DocumenAttatteiaonn::API::QueryPlanner(3)
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NAME

6       Attean::API::IDPJoinPlanner - Iterative dynamic programming query
7       planning role
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VERSION

10       This document describes Attean::API::IDPJoinPlanner version 0.025
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SYNOPSIS

13         extends 'Attean::QueryPlanner';
14         with 'Attean::API::IDPJoinPlanner';
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DESCRIPTION

17       The Attean::API::IDPJoinPlanner role provides a query planner the
18       "joins_for_plan_alternatives" method, as well as the cost estimation
19       methods that consume the Attean::API::CostPlanner role.
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ATTRIBUTES

METHODS
BUGS
24       Please report any bugs or feature requests to through the GitHub web
25       interface at <https://github.com/kasei/attean/issues>.
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REFERENCES
28       The seminal reference for Iterative Dynamic Programming is "Iterative
29       dynamic programming: a new class of query optimization algorithms" by
30       D. Kossmann and K. Stocker, ACM Transactions on Database Systems
31       (2000).
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33       The heuristics to order triple patterns in this module is influenced by
34       The ICS-FORTH Heuristics-based SPARQL Planner (HSP)
35       <http://www.ics.forth.gr/isl/index_main.php?l=e&c=645>.
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SEE ALSO
AUTHOR
39       Gregory Todd Williams  "<gwilliams@cpan.org>"
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42       Copyright (c) 2014--2019 Gregory Todd Williams.  This program is free
43       software; you can redistribute it and/or modify it under the same terms
44       as Perl itself.
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48perl v5.30.1                      2020-01-29      Attean::API::QueryPlanner(3)



        

    


            
        

        

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