Examples with CostCalculatorWithEstimatedExchanges com.facebook.presto.cost.CostCalculatorWithEstimatedExchanges used on opensource projects

Example 1 with CostCalculatorWithEstimatedExchanges

use of com.facebook.presto.cost.CostCalculatorWithEstimatedExchanges in project presto by prestodb.

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);
    List<PlanOptimizer> optimizers = new PlanOptimizers(metadata, sqlParser, forceSingleNode, new MBeanExporter(new TestingMBeanServer()), queryRunner.getSplitManager(), queryRunner.getPlanOptimizerManager(), queryRunner.getPageSourceManager(), queryRunner.getStatsCalculator(), costCalculator, new CostCalculatorWithEstimatedExchanges(costCalculator, taskCountEstimator), new CostComparator(featuresConfig), taskCountEstimator, new PartitioningProviderManager()).getPlanningTimeOptimizers();
    return new QueryExplainer(optimizers, new PlanFragmenter(metadata, queryRunner.getNodePartitioningManager(), new QueryManagerConfig(), sqlParser, new FeaturesConfig()), metadata, queryRunner.getAccessControl(), sqlParser, queryRunner.getStatsCalculator(), costCalculator, ImmutableMap.of(), new PlanChecker(new FeaturesConfig(), false));
}