Package com.facebook.presto.execution

Examples of com.facebook.presto.execution.SampledSplitSource

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                    return node.getSource().accept(this, materializedViewPartitionPredicate);

                case SYSTEM: {
                    NodeSplits nodeSplits = node.getSource().accept(this, materializedViewPartitionPredicate);
                    if (nodeSplits.getDataSource().isPresent()) {
                        SplitSource sampledSplitSource = new SampledSplitSource(nodeSplits.getDataSource().get(), node.getSampleRatio());
                        return new NodeSplits(node.getId(), sampledSplitSource);
                    }
                    else {
                        // table sampling on a sub query without splits is meaningless
                        return nodeSplits;
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                    return node.getSource().accept(this, materializedViewPartitionPredicate);

                case SYSTEM: {
                    NodeSplits nodeSplits = node.getSource().accept(this, materializedViewPartitionPredicate);
                    if (nodeSplits.getDataSource().isPresent()) {
                        SplitSource sampledSplitSource = new SampledSplitSource(nodeSplits.getDataSource().get(), node.getSampleRatio());
                        return new NodeSplits(node.getId(), sampledSplitSource);
                    }
                    else {
                        // table sampling on a sub query without splits is meaningless
                        return nodeSplits;
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                    return node.getSource().accept(this, materializedViewPartitionPredicate);

                case SYSTEM: {
                    NodeSplits nodeSplits = node.getSource().accept(this, materializedViewPartitionPredicate);
                    if (nodeSplits.getDataSource().isPresent()) {
                        SplitSource sampledSplitSource = new SampledSplitSource(nodeSplits.getDataSource().get(), node.getSampleRatio());
                        return new NodeSplits(node.getId(), sampledSplitSource);
                    }
                    else {
                        // table sampling on a sub query without splits is meaningless
                        return nodeSplits;
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                    return node.getSource().accept(this, context);

                case SYSTEM:
                    Optional<SplitSource> nodeSplits = node.getSource().accept(this, context);
                    if (nodeSplits.isPresent()) {
                        SplitSource sampledSplitSource = new SampledSplitSource(nodeSplits.get(), node.getSampleRatio());
                        return Optional.of(sampledSplitSource);
                    }
                    // table sampling on a sub query without splits is meaningless
                    return nodeSplits;
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                    return node.getSource().accept(this, context);

                case SYSTEM:
                    Optional<SplitSource> nodeSplits = node.getSource().accept(this, context);
                    if (nodeSplits.isPresent()) {
                        SplitSource sampledSplitSource = new SampledSplitSource(nodeSplits.get(), node.getSampleRatio());
                        return Optional.of(sampledSplitSource);
                    }
                    // table sampling on a sub query without splits is meaningless
                    return nodeSplits;
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                    return node.getSource().accept(this, context);

                case SYSTEM:
                    Optional<SplitSource> nodeSplits = node.getSource().accept(this, context);
                    if (nodeSplits.isPresent()) {
                        SplitSource sampledSplitSource = new SampledSplitSource(nodeSplits.get(), node.getSampleRatio());
                        return Optional.of(sampledSplitSource);
                    }
                    // table sampling on a sub query without splits is meaningless
                    return nodeSplits;
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Related Classes of com.facebook.presto.execution.SampledSplitSource

  • com.facebook.presto.sql.planner.DistributedExecutionPlanner$Visitor
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