Examples of com.facebook.presto.sql.planner.plan.PlanNode.accept()

Package com.facebook.presto.sql.planner.plan

Class com.facebook.presto.sql.planner.plan.PlanNode

Examples of com.facebook.presto.sql.planner.plan.PlanNode.accept()

com.facebook.presto.sql.planner.plan.PlanNode.accept()


        @Override
        public Void visitSort(SortNode node, Void context)
        {
            PlanNode source = node.getSource();
            source.accept(this, context); // visit child


            verifyUniqueId(node);


            Preconditions.checkArgument(source.getOutputSymbols().containsAll(node.getOutputSymbols()), "Invalid node. Output symbols (%s) not in source plan output (%s)", node.getOutputSymbols(), node.getSource().getOutputSymbols());
            Preconditions.checkArgument(source.getOutputSymbols().containsAll(node.getOrderBy()), "Invalid node. Order by dependencies (%s) not in source plan output (%s)", node.getOrderBy(), node.getSource().getOutputSymbols());

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        @Override
        public Void visitOutput(OutputNode node, Void context)
        {
            PlanNode source = node.getSource();
            source.accept(this, context); // visit child


            verifyUniqueId(node);


            Preconditions.checkArgument(source.getOutputSymbols().containsAll(node.getOutputSymbols()), "Invalid node. Output column dependencies (%s) not in source plan output (%s)", node.getOutputSymbols(), node.getSource().getOutputSymbols());

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        @Override
        public Void visitLimit(LimitNode node, Void context)
        {
            PlanNode source = node.getSource();
            source.accept(this, context); // visit child


            verifyUniqueId(node);


            return null;
        }

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        @Override
        public Void visitSink(SinkNode node, Void context)
        {
            PlanNode source = node.getSource();
            source.accept(this, context); // visit child


            verifyUniqueId(node);


            return null;
        }

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        @Override
        public Void visitTableWriter(TableWriterNode node, Void context)
        {
            PlanNode source = node.getSource();
            source.accept(this, context); // visit child


            verifyUniqueId(node);


            return null;
        }

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        @Override
        public Void visitTableCommit(TableCommitNode node, Void context)
        {
            PlanNode source = node.getSource();
            Preconditions.checkArgument(source instanceof TableWriterNode, "Invalid node. TableCommit source must be a TableWriter not %s", source.getClass().getSimpleName());
            source.accept(this, context); // visit child


            verifyUniqueId(node);


            return null;
        }

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        @Override
        public Void visitMaterializedViewWriter(MaterializedViewWriterNode node, Void context)
        {
            PlanNode source = node.getSource();
            source.accept(this, context); // visit child


            verifyUniqueId(node);


            return null;
        }

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        public Void visitUnion(UnionNode node, Void context)
        {
            for (int i = 0; i < node.getSources().size(); i++) {
                PlanNode subplan = node.getSources().get(i);
                Preconditions.checkArgument(subplan.getOutputSymbols().containsAll(node.sourceOutputLayout(i)), "UNION subplan must provide all of the necessary symbols");
                subplan.accept(this, context); // visit child
            }


            verifyUniqueId(node);


            return null;

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            for (int i = 0; i < node.getSources().size(); i++) {
                PlanNode subplan = node.getSources().get(i);
                List<Symbol> expectedLayout = node.sourceOutputLayout(i);


                LocalExecutionPlanContext subContext = context.createSubContext();
                PhysicalOperation source = subplan.accept(this, subContext);
                List<OperatorFactory> operatorFactories = new ArrayList<>(source.getOperatorFactories());


                boolean projectionMatchesOutput = IterableTransformer.on(source.getLayout().entries())
                        .orderBy(inputOrdering().onResultOf(MoreFunctions.<Symbol, Input>valueGetter()))
                        .transform(MoreFunctions.<Symbol, Input>keyGetter())

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        output.append(format("label = \"%s\"", fragment.getDistribution()))
                .append('\n');


        PlanNode plan = fragment.getRoot();
        plan.accept(new NodePrinter(output, idGenerator), null);


        output.append("}")
                .append('\n');
    }

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