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

Examples of com.facebook.presto.sql.planner.plan.PlanNode

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        }

        @Override
        public PlanNode rewriteTableWriter(TableWriterNode node, Set<Symbol> expectedOutputs, PlanRewriter<Set<Symbol>> planRewriter)
        {
            PlanNode source = planRewriter.rewrite(node.getSource(), ImmutableSet.copyOf(node.getColumns()));

            return new TableWriterNode(node.getId(), source, node.getTarget(), node.getColumns(), node.getColumnNames(), node.getOutputSymbols());
        }
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        @Override
        public PlanNode rewriteMaterializedViewWriter(MaterializedViewWriterNode node, Set<Symbol> expectedOutputs, PlanRewriter<Set<Symbol>> planRewriter)
        {
            // Rewrite Query subtree in terms of the symbols expected by the writer.
            Set<Symbol> expectedInputs = ImmutableSet.copyOf(node.getColumns().keySet());
            PlanNode source = planRewriter.rewrite(node.getSource(), expectedInputs);
            return new MaterializedViewWriterNode(node.getId(),
                    source,
                    node.getTable(),
                    node.getColumns(),
                    node.getOutput());
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            if (current.isDistributed()) {
                current.setRoot(new SinkNode(idAllocator.getNextId(), current.getRoot(), current.getRoot().getOutputSymbols()));

                // create merge plan fragment
                PlanNode source = new ExchangeNode(idAllocator.getNextId(), current.getId(), current.getRoot().getOutputSymbols());
                TopNNode merge = new TopNNode(idAllocator.getNextId(), source, node.getCount(), node.getOrderBy(), node.getOrderings(), true);
                current = createSingleNodePlan(merge)
                        .addChild(current.build());
            }
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            if (current.isDistributed()) {
                current.setRoot(new SinkNode(idAllocator.getNextId(), current.getRoot(), current.getRoot().getOutputSymbols()));

                // create merge plan fragment
                PlanNode source = new ExchangeNode(idAllocator.getNextId(), current.getId(), current.getRoot().getOutputSymbols());
                LimitNode merge = new LimitNode(idAllocator.getNextId(), source, node.getCount());
                current = createSingleNodePlan(merge)
                        .addChild(current.build());
            }
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            }
            else {
                ImmutableList.Builder<SubPlan> sourceBuilder = ImmutableList.builder();
                ImmutableList.Builder<PlanFragmentId> fragmentIdBuilder = ImmutableList.builder();
                for (int i = 0; i < node.getSources().size(); i++) {
                    PlanNode subPlan = node.getSources().get(i);
                    SubPlanBuilder current = subPlan.accept(this, context);
                    current.setRoot(new SinkNode(idAllocator.getNextId(), current.getRoot(), node.sourceOutputLayout(i)));
                    fragmentIdBuilder.add(current.getId());
                    sourceBuilder.add(current.build());
                }
                ExchangeNode exchangeNode = new ExchangeNode(idAllocator.getNextId(), fragmentIdBuilder.build(), node.getOutputSymbols());
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        }

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

            verifyUniqueId(node);

            Preconditions.checkArgument(source.getOutputSymbols().containsAll(node.getGroupBy()), "Invalid node. Group by symbols (%s) not in source plan output (%s)", node.getGroupBy(), node.getSource().getOutputSymbols());

            for (FunctionCall call : node.getAggregations().values()) {
                Set<Symbol> dependencies = DependencyExtractor.extractUnique(call);
                Preconditions.checkArgument(source.getOutputSymbols().containsAll(dependencies), "Invalid node. Aggregation dependencies (%s) not in source plan output (%s)", dependencies, node.getSource().getOutputSymbols());
            }

            return null;
        }
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        }

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

            verifyUniqueId(node);

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

            for (FunctionCall call : node.getWindowFunctions().values()) {
                Set<Symbol> dependencies = DependencyExtractor.extractUnique(call);
                Preconditions.checkArgument(source.getOutputSymbols().containsAll(dependencies), "Invalid node. Window function dependencies (%s) not in source plan output (%s)", dependencies, node.getSource().getOutputSymbols());
            }

            return null;
        }
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        }

        @Override
        public Void visitFilter(FilterNode 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());

            Set<Symbol> dependencies = DependencyExtractor.extractUnique(node.getPredicate());

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

            return null;
        }
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        }

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

            verifyUniqueId(node);

            return null;
        }
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        }

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

            verifyUniqueId(node);

            for (Expression expression : node.getExpressions()) {
                Set<Symbol> dependencies = DependencyExtractor.extractUnique(expression);
                Preconditions.checkArgument(source.getOutputSymbols().containsAll(dependencies), "Invalid node. Expression dependencies (%s) not in source plan output (%s)", dependencies, node.getSource().getOutputSymbols());
            }

            return null;
        }
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Related Classes of com.facebook.presto.sql.planner.plan.PlanNode

  • com.facebook.presto.sql.planner.DistributedLogicalPlanner$Visitor
  • com.facebook.presto.sql.planner.LocalExecutionPlanner$Visitor
  • com.facebook.presto.sql.planner.LogicalPlanner
  • com.facebook.presto.sql.planner.optimizations.CanonicalizeExpressions$Rewriter
  • com.facebook.presto.sql.planner.optimizations.CountConstantOptimizer$Rewriter
  • com.facebook.presto.sql.planner.optimizations.ImplementSampleAsFilter$Rewriter
  • com.facebook.presto.sql.planner.optimizations.IndexJoinOptimizer$IndexSourceRewriter
  • com.facebook.presto.sql.planner.optimizations.IndexJoinOptimizer$Rewriter
  • com.facebook.presto.sql.planner.optimizations.LimitPushDown$Rewriter
  • com.facebook.presto.sql.planner.optimizations.MaterializeSamplePullUp$Rewriter
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