1Attean::API::QueryPlannUesre(r3)Contributed Perl DocumenAttatteiaonn::API::QueryPlanner(3)
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6 Attean::API::IDPJoinPlanner - Iterative dynamic programming query
7 planning role
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10 This document describes Attean::API::IDPJoinPlanner version 0.025
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13 extends 'Attean::QueryPlanner';
14 with 'Attean::API::IDPJoinPlanner';
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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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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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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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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 v5.30.0 2019-10-31 Attean::API::QueryPlanner(3)