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

com.facebook.presto.sql.tree.FunctionCall

                        intermediateOutput);


                subPlanBuilder.setRoot(writer)
                        .setPartitionedSource(node.getId());


                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, FunctionHandle> 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, FunctionHandle> functionHandles = 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 (object instanceof Double) {
            Double value = (Double) object;
            if (value.isNaN()) {
                return new FunctionCall(new QualifiedName("nan"), ImmutableList.<Expression>of());
            }
            else if (value == Double.NEGATIVE_INFINITY) {
                return new NegativeExpression(new FunctionCall(new QualifiedName("infinity"), ImmutableList.<Expression>of()));
            }
            else if (value == Double.POSITIVE_INFINITY) {
                return new FunctionCall(new QualifiedName("infinity"), ImmutableList.<Expression>of());
            }
            else {
                return new DoubleLiteral(object.toString());
            }
        }

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                argumentTypes.add(type);
            }
            FunctionInfo function = metadata.getFunction(node.getName(), argumentTypes);
            // do not optimize non-deterministic functions
            if (optimize && !function.isDeterministic()) {
                return new FunctionCall(node.getName(), node.getWindow().orNull(), node.isDistinct(), toExpressions(argumentValues));
            }
            MethodHandle handle = function.getScalarFunction();
            if (handle.type().parameterCount() > 0 && handle.type().parameterType(0) == Session.class) {
                handle = handle.bindTo(session);
            }

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    public void testFilter()
            throws Exception
    {
        PlanNode node = filter(baseTableScan,
                and(
                        greaterThan(AE, new FunctionCall(QualifiedName.of("rand"), ImmutableList.<Expression>of())),
                        lessThan(BE, number(10))));


        Expression effectivePredicate = EffectivePredicateExtractor.extract(node);


        // Non-deterministic functions should be purged

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        return new IsNullPredicate(expression);
    }


    private static FunctionCall fakeFunction(String name)
    {
        return new FunctionCall(QualifiedName.of("test"), ImmutableList.<Expression>of());
    }

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    public void testFilter()
            throws Exception
    {
        PlanNode node = filter(baseTableScan,
                and(
                        greaterThan(AE, new FunctionCall(QualifiedName.of("rand"), ImmutableList.<Expression>of())),
                        lessThan(BE, number(10))));


        Expression effectivePredicate = EffectivePredicateExtractor.extract(node, TYPES);


        // Non-deterministic functions should be purged

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        return new IsNullPredicate(expression);
    }


    private static FunctionCall fakeFunction(String name)
    {
        return new FunctionCall(QualifiedName.of("test"), ImmutableList.<Expression>of());
    }

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        Assert.assertTrue(DeterminismEvaluator.isDeterministic(function("abs", function("abs", input("symbol")))));
    }


    private static FunctionCall function(String name, Expression... inputs)
    {
        return new FunctionCall(new QualifiedName(name), Arrays.asList(inputs));
    }

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