Examples with PartitioningScheme io.trino.sql.planner.PartitioningScheme used on opensource projects

Example 16 with PartitioningScheme

use of io.trino.sql.planner.PartitioningScheme in project trino by trinodb.

the class PlanPrinter method formatFragment.

private static String formatFragment(Function<TableScanNode, TableInfo> tableInfoSupplier, Map<DynamicFilterId, DynamicFilterDomainStats> dynamicFilterDomainStats, ValuePrinter valuePrinter, PlanFragment fragment, Optional<StageInfo> stageInfo, Optional<Map<PlanNodeId, PlanNodeStats>> planNodeStats, boolean verbose, TypeProvider typeProvider) {
    StringBuilder builder = new StringBuilder();
    builder.append(format("Fragment %s [%s]\n", fragment.getId(), fragment.getPartitioning()));
    if (stageInfo.isPresent()) {
        StageStats stageStats = stageInfo.get().getStageStats();
        double avgPositionsPerTask = stageInfo.get().getTasks().stream().mapToLong(task -> task.getStats().getProcessedInputPositions()).average().orElse(Double.NaN);
        double squaredDifferences = stageInfo.get().getTasks().stream().mapToDouble(task -> Math.pow(task.getStats().getProcessedInputPositions() - avgPositionsPerTask, 2)).sum();
        double sdAmongTasks = Math.sqrt(squaredDifferences / stageInfo.get().getTasks().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", stageStats.getTotalCpuTime().convertToMostSuccinctTimeUnit(), stageStats.getTotalScheduledTime().convertToMostSuccinctTimeUnit(), formatPositions(stageStats.getProcessedInputPositions()), stageStats.getProcessedInputDataSize(), formatDouble(avgPositionsPerTask), formatDouble(sdAmongTasks), formatPositions(stageStats.getOutputPositions()), stageStats.getOutputDataSize()));
    }
    PartitioningScheme partitioningScheme = fragment.getPartitioningScheme();
    builder.append(indentString(1)).append(format("Output layout: [%s]\n", Joiner.on(", ").join(partitioningScheme.getOutputLayout())));
    boolean replicateNullsAndAny = partitioningScheme.isReplicateNullsAndAny();
    List<String> arguments = partitioningScheme.getPartitioning().getArguments().stream().map(argument -> {
        if (argument.isConstant()) {
            NullableValue constant = argument.getConstant();
            String printableValue = valuePrinter.castToVarchar(constant.getType(), constant.getValue());
            return constant.getType().getDisplayName() + "(" + printableValue + ")";
        }
        return argument.getColumn().toString();
    }).collect(toImmutableList());
    builder.append(indentString(1));
    if (replicateNullsAndAny) {
        builder.append(format("Output partitioning: %s (replicate nulls and any) [%s]%s\n", partitioningScheme.getPartitioning().getHandle(), Joiner.on(", ").join(arguments), formatHash(partitioningScheme.getHashColumn())));
    } else {
        builder.append(format("Output partitioning: %s [%s]%s\n", partitioningScheme.getPartitioning().getHandle(), Joiner.on(", ").join(arguments), formatHash(partitioningScheme.getHashColumn())));
    }
    builder.append(indentString(1)).append(format("Stage Execution Strategy: %s\n", fragment.getStageExecutionDescriptor().getStageExecutionStrategy()));
    builder.append(new PlanPrinter(fragment.getRoot(), typeProvider, Optional.of(fragment.getStageExecutionDescriptor()), tableInfoSupplier, dynamicFilterDomainStats, valuePrinter, fragment.getStatsAndCosts(), planNodeStats).toText(verbose, 1)).append("\n");
    return builder.toString();
}