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

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

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            EqualityInference.EqualityPartition equalityPartition = inheritedInference.generateEqualitiesPartitionedBy(in(node.getSource().getOutputSymbols()));
            sourceConjuncts.addAll(equalityPartition.getScopeEqualities());
            postJoinConjuncts.addAll(equalityPartition.getScopeComplementEqualities());
            postJoinConjuncts.addAll(equalityPartition.getScopeStraddlingEqualities());

            PlanNode rewrittenSource = planRewriter.rewrite(node.getSource(), combineConjuncts(sourceConjuncts));
            PlanNode rewrittenFilteringSource = planRewriter.rewrite(node.getFilteringSource(), combineConjuncts(filteringSourceConjuncts));

            PlanNode output = node;
            if (rewrittenSource != node.getSource() || rewrittenFilteringSource != node.getFilteringSource()) {
                output = new SemiJoinNode(node.getId(), rewrittenSource, rewrittenFilteringSource, node.getSourceJoinSymbol(), node.getFilteringSourceJoinSymbol(), node.getSemiJoinOutput());
            }
            if (!postJoinConjuncts.isEmpty()) {
                output = new FilterNode(idAllocator.getNextId(), output, combineConjuncts(postJoinConjuncts));
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            EqualityInference.EqualityPartition equalityPartition = equalityInference.generateEqualitiesPartitionedBy(in(node.getGroupBy()));
            pushdownConjuncts.addAll(equalityPartition.getScopeEqualities());
            postAggregationConjuncts.addAll(equalityPartition.getScopeComplementEqualities());
            postAggregationConjuncts.addAll(equalityPartition.getScopeStraddlingEqualities());

            PlanNode rewrittenSource = planRewriter.rewrite(node.getSource(), combineConjuncts(pushdownConjuncts));

            PlanNode output = node;
            if (rewrittenSource != node.getSource()) {
                output = new AggregationNode(node.getId(), rewrittenSource, node.getGroupBy(), node.getAggregations(), node.getFunctions(), node.getStep());
            }
            if (!postAggregationConjuncts.isEmpty()) {
                output = new FilterNode(idAllocator.getNextId(), output, combineConjuncts(postAggregationConjuncts));
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            // Do some early partition pruning
            partitions = ImmutableList.copyOf(filter(partitions, not(shouldPrunePartition(postScanPredicate, node.getAssignments()))));
            GeneratedPartitions generatedPartitions = new GeneratedPartitions(tupleDomain, partitions);

            PlanNode output = node;
            if (!node.getGeneratedPartitions().equals(Optional.of(generatedPartitions))) {
                // Only overwrite the originalConstraint if it was previously null
                Expression originalConstraint = node.getOriginalConstraint() == null ? inheritedPredicate : node.getOriginalConstraint();
                output = new TableScanNode(node.getId(), node.getTable(), node.getOutputSymbols(), node.getAssignments(), originalConstraint, Optional.of(generatedPartitions));
            }
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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());

            if (node.getSampleWeight().isPresent()) {
                Preconditions.checkArgument(source.getOutputSymbols().contains(node.getSampleWeight().get()), "Invalid node. Sample weight symbol (%s) is not in source plan output (%s)", node.getSampleWeight().get(), 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 visitMarkDistinct(MarkDistinctNode node, Void context)
        {
            PlanNode source = node.getSource();
            source.accept(this, context); // visit child

            verifyUniqueId(node);

            Preconditions.checkArgument(source.getOutputSymbols().containsAll(node.getDistinctSymbols()), "Invalid node. Mark distinct symbols (%s) not in source plan output (%s)", node.getDistinctSymbols(), source.getOutputSymbols());

            if (node.getSampleWeightSymbol().isPresent()) {
                Preconditions.checkArgument(source.getOutputSymbols().contains(node.getSampleWeightSymbol().get()), "Invalid node. Sample weight symbol (%s) is not in source plan output (%s)", node.getSampleWeightSymbol().get(), 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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        }

        @Override
        public Void visitTopN(TopNNode 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());

            if (node.getSampleWeight().isPresent()) {
                Preconditions.checkArgument(source.getOutputSymbols().contains(node.getSampleWeight().get()), "Invalid node. Sample weight symbol (%s) is not in source plan output (%s)", node.getSampleWeight().get(), 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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