Package org.eigenbase.rel.metadata

Examples of org.eigenbase.rel.metadata.CachingRelMetadataProvider

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        new DefaultRelMetadataProvider();
    list.add(defaultProvider);
    planner.registerMetadataProviders(list);
    RelMetadataProvider plannerChain = ChainedRelMetadataProvider.of(list);
    relInitial.getCluster().setMetadataProvider(
        new CachingRelMetadataProvider(plannerChain, planner));

    planner.setRoot(relInitial);
    RelNode relAfter = planner.findBestExp();

    String planBefore = NL + RelOptUtil.toString(relAfter);
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      hepPgm = hepPgmBldr.build();
      HepPlanner hepPlanner = new HepPlanner(hepPgm);

      hepPlanner.registerMetadataProviders(list);
      RelMetadataProvider chainedProvider = ChainedRelMetadataProvider.of(list);
      cluster.setMetadataProvider(new CachingRelMetadataProvider(chainedProvider, hepPlanner));

      RelNode rootRel = optiqPreCboPlan;
      hepPlanner.setRoot(rootRel);
      if (!optiqPreCboPlan.getTraitSet().equals(desiredTraits)) {
        rootRel = hepPlanner.changeTraits(optiqPreCboPlan, desiredTraits);
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      List<RelMetadataProvider> list = Lists.newArrayList();
      list.add(mdProvider);
      planner.registerMetadataProviders(list);
      RelMetadataProvider chainedProvider = ChainedRelMetadataProvider.of(list);
      basePlan.getCluster().setMetadataProvider(
          new CachingRelMetadataProvider(chainedProvider, planner));

      planner.setRoot(basePlan);
      optimizedRelNode = planner.findBestExp();

      return optimizedRelNode;
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Related Classes of org.eigenbase.rel.metadata.CachingRelMetadataProvider

  • org.apache.hadoop.hive.ql.parse.SemanticAnalyzer$OptiqBasedPlanner
  • org.eigenbase.test.RelOptRulesTest
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