Examples with Partitioning com.facebook.presto.sql.planner.Partitioning used on opensource projects

Example 1 with Partitioning

use of com.facebook.presto.sql.planner.Partitioning in project presto by prestodb.

the class PlanPrinter method formatFragment.

private static String formatFragment(FunctionAndTypeManager functionAndTypeManager, Session session, PlanFragment fragment, Optional<StageInfo> stageInfo, Optional<Map<PlanNodeId, PlanNodeStats>> planNodeStats, boolean verbose) {
    StringBuilder builder = new StringBuilder();
    builder.append(format("Fragment %s [%s]\n", fragment.getId(), fragment.getPartitioning()));
    if (stageInfo.isPresent()) {
        StageExecutionStats stageExecutionStats = stageInfo.get().getLatestAttemptExecutionInfo().getStats();
        List<TaskInfo> tasks = stageInfo.get().getLatestAttemptExecutionInfo().getTasks();
        double avgPositionsPerTask = tasks.stream().mapToLong(task -> task.getStats().getProcessedInputPositions()).average().orElse(Double.NaN);
        double squaredDifferences = tasks.stream().mapToDouble(task -> Math.pow(task.getStats().getProcessedInputPositions() - avgPositionsPerTask, 2)).sum();
        double sdAmongTasks = Math.sqrt(squaredDifferences / tasks.size());
        builder.append(indentString(1)).append(format("CPU: %s, Scheduled: %s, Input: %s (%s); per task: avg.: %s std.dev.: %s, Output: %s (%s)\n", stageExecutionStats.getTotalCpuTime().convertToMostSuccinctTimeUnit(), stageExecutionStats.getTotalScheduledTime().convertToMostSuccinctTimeUnit(), formatPositions(stageExecutionStats.getProcessedInputPositions()), stageExecutionStats.getProcessedInputDataSize(), formatDouble(avgPositionsPerTask), formatDouble(sdAmongTasks), formatPositions(stageExecutionStats.getOutputPositions()), stageExecutionStats.getOutputDataSize()));
    }
    PartitioningScheme partitioningScheme = fragment.getPartitioningScheme();
    builder.append(indentString(1)).append(format("Output layout: [%s]\n", Joiner.on(", ").join(partitioningScheme.getOutputLayout())));
    builder.append(indentString(1));
    boolean replicateNullsAndAny = partitioningScheme.isReplicateNullsAndAny();
    if (replicateNullsAndAny) {
        builder.append(format("Output partitioning: %s (replicate nulls and any) [%s]%s\n", partitioningScheme.getPartitioning().getHandle(), Joiner.on(", ").join(partitioningScheme.getPartitioning().getArguments()), formatHash(partitioningScheme.getHashColumn())));
    } else {
        builder.append(format("Output partitioning: %s [%s]%s\n", partitioningScheme.getPartitioning().getHandle(), Joiner.on(", ").join(partitioningScheme.getPartitioning().getArguments()), formatHash(partitioningScheme.getHashColumn())));
    }
    builder.append(indentString(1)).append(format("Stage Execution Strategy: %s\n", fragment.getStageExecutionDescriptor().getStageExecutionStrategy()));
    TypeProvider typeProvider = TypeProvider.fromVariables(fragment.getVariables());
    builder.append(textLogicalPlan(fragment.getRoot(), typeProvider, Optional.of(fragment.getStageExecutionDescriptor()), functionAndTypeManager, fragment.getStatsAndCosts(), session, planNodeStats, 1, verbose)).append("\n");
    return builder.toString();
}