Examples with CostCalculatorWithEstimatedExchanges io.prestosql.cost.CostCalculatorWithEstimatedExchanges used on opensource projects

Example 1 with CostCalculatorWithEstimatedExchanges

use of io.prestosql.cost.CostCalculatorWithEstimatedExchanges in project hetu-core by openlookeng.

the class AbstractTestQueryFramework method getQueryExplainer.

private QueryExplainer getQueryExplainer() {
    Metadata metadata = queryRunner.getMetadata();
    FeaturesConfig featuresConfig = new FeaturesConfig().setOptimizeHashGeneration(true);
    boolean forceSingleNode = queryRunner.getNodeCount() == 1;
    TaskCountEstimator taskCountEstimator = new TaskCountEstimator(queryRunner::getNodeCount);
    CostCalculator costCalculator = new CostCalculatorUsingExchanges(taskCountEstimator);
    HetuMetaStoreManager hetuMetaStoreManager = new HetuMetaStoreManager();
    List<PlanOptimizer> optimizers = new PlanOptimizers(metadata, new TypeAnalyzer(sqlParser, metadata), featuresConfig, new TaskManagerConfig(), forceSingleNode, new MBeanExporter(new TestingMBeanServer()), queryRunner.getSplitManager(), queryRunner.getPlanOptimizerManager(), queryRunner.getPageSourceManager(), queryRunner.getStatsCalculator(), costCalculator, new CostCalculatorWithEstimatedExchanges(costCalculator, taskCountEstimator), new CostComparator(featuresConfig), taskCountEstimator, new CubeManager(featuresConfig, hetuMetaStoreManager)).get();
    return new QueryExplainer(optimizers, new PlanFragmenter(metadata, queryRunner.getNodePartitioningManager(), new QueryManagerConfig()), metadata, queryRunner.getAccessControl(), sqlParser, queryRunner.getStatsCalculator(), costCalculator, ImmutableMap.of(), new HeuristicIndexerManager(null, null), new CubeManager(featuresConfig, hetuMetaStoreManager));
}