Package com.facebook.presto.sql.tree

Examples of com.facebook.presto.sql.tree.FunctionCall

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                Symbol intermediateSymbol = allocator.newSymbol(function.getName().getSuffix(), function.getIntermediateType());
                intermediateCalls.put(intermediateSymbol, entry.getValue());
                intermediateFunctions.put(intermediateSymbol, functionHandle);

                // 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, PARTIAL);
            plan.setRoot(new SinkNode(idAllocator.getNextId(), partialAggregation, partialAggregation.getOutputSymbols()));
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                        node.getTable(),
                        node.getColumns(),
                        intermediateOutput);
                subPlanBuilder.setRoot(writer);

                FunctionCall aggregate = new FunctionCall(sum.getName(),
                        ImmutableList.<Expression>of(new QualifiedNameReference(intermediateOutput.toQualifiedName())));

                return addDistributedAggregation(subPlanBuilder,
                        ImmutableMap.of(node.getOutput(), aggregate),
                        ImmutableMap.of(node.getOutput(), sum.getHandle()),
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                if (masks.containsKey(entry.getKey())) {
                    intermediateMask.put(intermediateSymbol, masks.get(entry.getKey()));
                }

                // 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);
            plan.setRoot(new SinkNode(idAllocator.getNextId(), partialAggregation, partialAggregation.getOutputSymbols()));
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                        node.getTable(),
                        node.getColumns(),
                        intermediateOutput);
                subPlanBuilder.setRoot(writer);

                FunctionCall aggregate = new FunctionCall(sum.getName(),
                        ImmutableList.<Expression>of(new QualifiedNameReference(intermediateOutput.toQualifiedName())));

                return addDistributedAggregation(subPlanBuilder,
                        ImmutableMap.of(node.getOutput(), aggregate),
                        ImmutableMap.of(node.getOutput(), sum.getHandle()),
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        ImmutableMap.Builder<Symbol, Signature> functions = ImmutableMap.builder();

        // 2.a. Rewrite aggregates in terms of pre-projected inputs
        TranslationMap translations = new TranslationMap(subPlan.getRelationPlan(), analysis);
        for (FunctionCall aggregate : analysis.getAggregates(node)) {
            FunctionCall rewritten = (FunctionCall) subPlan.rewrite(aggregate);
            Symbol newSymbol = symbolAllocator.newSymbol(rewritten, analysis.getType(aggregate));

            aggregationAssignments.put(newSymbol, rewritten);
            translations.put(aggregate, newSymbol);
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            ImmutableMap.Builder<Symbol, FunctionCall> assignments = ImmutableMap.builder();
            Map<Symbol, Signature> signatures = new HashMap<>();

            // Rewrite function call in terms of pre-projected inputs
            FunctionCall rewritten = (FunctionCall) subPlan.rewrite(windowFunction);
            Symbol newSymbol = symbolAllocator.newSymbol(rewritten, analysis.getType(windowFunction));

            assignments.put(newSymbol, rewritten);
            outputTranslations.put(windowFunction, newSymbol);
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                if (masks.containsKey(entry.getKey())) {
                    intermediateMask.put(intermediateSymbol, masks.get(entry.getKey()));
                }

                // 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()));
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                        node.getTable(),
                        node.getColumns(),
                        intermediateOutput);
                subPlanBuilder.setRoot(writer);

                FunctionCall aggregate = new FunctionCall(sum.getName(),
                        ImmutableList.<Expression>of(new QualifiedNameReference(intermediateOutput.toQualifiedName())));

                return addDistributedAggregation(subPlanBuilder,
                        ImmutableMap.of(node.getOutput(), aggregate),
                        ImmutableMap.of(node.getOutput(), sum.getHandle()),
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            ImmutableMap.Builder<Symbol, FunctionCall> functionCalls = ImmutableMap.builder();
            for (Map.Entry<Symbol, FunctionCall> entry : node.getAggregations().entrySet()) {
                Symbol symbol = entry.getKey();

                if (expectedOutputs.contains(symbol)) {
                    FunctionCall call = entry.getValue();
                    expectedInputs.addAll(DependencyExtractor.extractUnique(call));

                    functionCalls.put(symbol, call);
                    functions.put(symbol, node.getFunctions().get(symbol));
                }
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            ImmutableMap.Builder<Symbol, FunctionCall> functionCalls = ImmutableMap.builder();
            for (Map.Entry<Symbol, FunctionCall> entry : node.getWindowFunctions().entrySet()) {
                Symbol symbol = entry.getKey();

                if (expectedOutputs.contains(symbol)) {
                    FunctionCall call = entry.getValue();
                    expectedInputs.addAll(DependencyExtractor.extractUnique(call));

                    functionCalls.put(symbol, call);
                    functions.put(symbol, node.getFunctionHandles().get(symbol));
                }
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Related Classes of com.facebook.presto.sql.tree.FunctionCall

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  • com.facebook.presto.sql.planner.ExpressionInterpreter$Visitor
  • com.facebook.presto.sql.planner.LiteralInterpreter
  • com.facebook.presto.sql.planner.optimizations.CanonicalizeExpressions$CanonicalizeExpressionRewriter
  • com.facebook.presto.sql.planner.optimizations.CountConstantOptimizer$Rewriter
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  • com.facebook.presto.sql.planner.optimizations.PruneUnreferencedOutputs$Rewriter
  • com.facebook.presto.sql.planner.optimizations.UnaliasSymbolReferences$Rewriter
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