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

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

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            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.getMasks(), node.getStep(), node.getSampleWeight(), node.getConfidence());
            }
            if (!postAggregationConjuncts.isEmpty()) {
                output = new FilterNode(idAllocator.getNextId(), output, combineConjuncts(postAggregationConjuncts));
            }
            return output;
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        {
            SubPlanBuilder current = node.getSource().accept(this, context);

            if (!current.isDistributed()) {
                // add the aggregation node as the root of the current fragment
                current.setRoot(new AggregationNode(node.getId(), current.getRoot(), node.getGroupBy(), node.getAggregations(), node.getFunctions(), node.getMasks(), SINGLE, node.getSampleWeight(), node.getConfidence()));
                return current;
            }

            Map<Symbol, FunctionCall> aggregations = node.getAggregations();
            Map<Symbol, Signature> functions = node.getFunctions();
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                // rewrite final aggregation in terms of intermediate function
                finalCalls.put(entry.getKey(), new FunctionCall(function.getName(), ImmutableList.<Expression>of(new QualifiedNameReference(intermediateSymbol.toQualifiedName()))));
            }

            // create partial aggregation plan
            AggregationNode partialAggregation = new AggregationNode(idAllocator.getNextId(), plan.getRoot(), groupBy, intermediateCalls, intermediateFunctions, intermediateMask, PARTIAL, sampleWeight, confidence);
            plan.setRoot(new SinkNode(idAllocator.getNextId(), partialAggregation, partialAggregation.getOutputSymbols()));

            // create final aggregation plan
            ExchangeNode source = new ExchangeNode(idAllocator.getNextId(), plan.getId(), plan.getRoot().getOutputSymbols());
            AggregationNode finalAggregation = new AggregationNode(idAllocator.getNextId(), source, groupBy, finalCalls, functions, ImmutableMap.<Symbol, Symbol>of(), FINAL, Optional.<Symbol>absent(), confidence);

            if (groupBy.isEmpty()) {
                plan = createSingleNodePlan(finalAggregation)
                        .addChild(plan.build());
            }
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                        semiJoinOutputSymbol));
    }

    private PlanNode distinct(PlanNode node)
    {
        return new AggregationNode(idAllocator.getNextId(),
                node,
                node.getOutputSymbols(),
                ImmutableMap.<Symbol, FunctionCall>of(),
                ImmutableMap.<Symbol, FunctionHandle>of());
    }
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            Symbol symbol = subPlan.translate(fieldOrExpression);
            groupBySymbols.add(symbol);
            translations.put(fieldOrExpression, symbol);
        }

        return new PlanBuilder(translations, new AggregationNode(idAllocator.getNextId(), subPlan.getRoot(), ImmutableList.copyOf(groupBySymbols), aggregationAssignments.build(), functions.build()));
    }
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    private PlanBuilder distinct(PlanBuilder subPlan, QuerySpecification node, List<FieldOrExpression> outputs, List<FieldOrExpression> orderBy)
    {
        if (node.getSelect().isDistinct()) {
            checkState(outputs.containsAll(orderBy), "Expected ORDER BY terms to be in SELECT. Broken analysis");

            AggregationNode aggregation = new AggregationNode(idAllocator.getNextId(),
                    subPlan.getRoot(),
                    subPlan.getRoot().getOutputSymbols(),
                    ImmutableMap.<Symbol, FunctionCall>of(),
                    ImmutableMap.<Symbol, FunctionHandle>of());
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            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));
            }
            return output;
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            for (Map.Entry<Symbol, Symbol> entry : node.getMasks().entrySet()) {
                masks.put(canonicalize(entry.getKey()), canonicalize(entry.getValue()));
            }

            List<Symbol> groupByKeys = ImmutableList.copyOf(ImmutableSet.copyOf(canonicalize(node.getGroupBy())));
            return new AggregationNode(node.getId(), source, groupByKeys, functionCalls.build(), functionInfos.build(), masks.build());
        }
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            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.getMasks(), node.getStep());
            }
            if (!postAggregationConjuncts.isEmpty()) {
                output = new FilterNode(idAllocator.getNextId(), output, combineConjuncts(postAggregationConjuncts));
            }
            return output;
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            if (upstreamDistinct && distinct) {
                // Assumes underlying node has same output symbols as this distinct node
                return rewrittenNode;
            }

            return new AggregationNode(node.getId(), rewrittenNode, node.getGroupBy(), node.getAggregations(), node.getFunctions(), node.getMasks());
        }
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Related Classes of com.facebook.presto.sql.planner.plan.AggregationNode

  • com.facebook.presto.sql.planner.DistributedLogicalPlanner$Visitor
  • com.facebook.presto.sql.planner.optimizations.CountConstantOptimizer$Rewriter
  • com.facebook.presto.sql.planner.optimizations.MaterializeSamplePullUp$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PredicatePushDown$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PruneUnreferencedOutputs$Rewriter
  • com.facebook.presto.sql.planner.optimizations.SetFlatteningOptimizer$Rewriter
  • com.facebook.presto.sql.planner.optimizations.UnaliasSymbolReferences$Rewriter
  • com.facebook.presto.sql.planner.QueryPlanner
  • com.facebook.presto.sql.planner.RelationPlanner
  • com.facebook.presto.sql.planner.TestEffectivePredicateExtractor
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