Examples with InternalAggregationFunction com.facebook.presto.operator.aggregation.InternalAggregationFunction used on opensource projects

Example 46 with InternalAggregationFunction

use of com.facebook.presto.operator.aggregation.InternalAggregationFunction in project presto by prestodb.

the class TestLearnAggregations method testLearnLibSvm.

@Test
public void testLearnLibSvm() {
    Type mapType = functionAndTypeManager.getParameterizedType("map", ImmutableList.of(TypeSignatureParameter.of(parseTypeSignature(StandardTypes.BIGINT)), TypeSignatureParameter.of(parseTypeSignature(StandardTypes.DOUBLE))));
    InternalAggregationFunction aggregation = AggregationFromAnnotationsParser.parseFunctionDefinitionWithTypesConstraint(LearnLibSvmClassifierAggregation.class, ClassifierType.BIGINT_CLASSIFIER.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature(), mapType.getTypeSignature(), VarcharType.getParametrizedVarcharSignature("x"))).specialize(BoundVariables.builder().setLongVariable("x", (long) Integer.MAX_VALUE).build(), 3, functionAndTypeManager);
    assertLearnClassifer(aggregation.bind(ImmutableList.of(0, 1, 2), Optional.empty()).createAccumulator(UpdateMemory.NOOP));
}

Example 47 with InternalAggregationFunction

use of com.facebook.presto.operator.aggregation.InternalAggregationFunction in project presto by prestodb.

the class TestLearnAggregations method testLearn.

@Test
public void testLearn() {
    Type mapType = functionAndTypeManager.getParameterizedType("map", ImmutableList.of(TypeSignatureParameter.of(parseTypeSignature(StandardTypes.BIGINT)), TypeSignatureParameter.of(parseTypeSignature(StandardTypes.DOUBLE))));
    InternalAggregationFunction aggregation = generateInternalAggregationFunction(LearnClassifierAggregation.class, ClassifierType.BIGINT_CLASSIFIER.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature(), mapType.getTypeSignature()), functionAndTypeManager);
    assertLearnClassifer(aggregation.bind(ImmutableList.of(0, 1), Optional.empty()).createAccumulator(UpdateMemory.NOOP));
}

Example 48 with InternalAggregationFunction

use of com.facebook.presto.operator.aggregation.InternalAggregationFunction in project presto by prestodb.

the class TranslateExpressions method createRewriter.

private static PlanRowExpressionRewriter createRewriter(Metadata metadata, SqlParser sqlParser) {
    return new PlanRowExpressionRewriter() {

        @Override
        public RowExpression rewrite(RowExpression expression, Rule.Context context) {
            // special treatment of the CallExpression in Aggregation
            if (expression instanceof CallExpression && ((CallExpression) expression).getArguments().stream().anyMatch(OriginalExpressionUtils::isExpression)) {
                return removeOriginalExpressionArguments((CallExpression) expression, context.getSession(), context.getVariableAllocator());
            }
            return removeOriginalExpression(expression, context);
        }

        private RowExpression removeOriginalExpressionArguments(CallExpression callExpression, Session session, PlanVariableAllocator variableAllocator) {
            Map<NodeRef<Expression>, Type> types = analyzeCallExpressionTypes(callExpression, session, variableAllocator.getTypes());
            return new CallExpression(callExpression.getSourceLocation(), callExpression.getDisplayName(), callExpression.getFunctionHandle(), callExpression.getType(), callExpression.getArguments().stream().map(expression -> removeOriginalExpression(expression, session, types)).collect(toImmutableList()));
        }

        private Map<NodeRef<Expression>, Type> analyzeCallExpressionTypes(CallExpression callExpression, Session session, TypeProvider typeProvider) {
            List<LambdaExpression> lambdaExpressions = callExpression.getArguments().stream().filter(OriginalExpressionUtils::isExpression).map(OriginalExpressionUtils::castToExpression).filter(LambdaExpression.class::isInstance).map(LambdaExpression.class::cast).collect(toImmutableList());
            ImmutableMap.Builder<NodeRef<Expression>, Type> builder = ImmutableMap.<NodeRef<Expression>, Type>builder();
            if (!lambdaExpressions.isEmpty()) {
                List<FunctionType> functionTypes = metadata.getFunctionAndTypeManager().getFunctionMetadata(callExpression.getFunctionHandle()).getArgumentTypes().stream().filter(typeSignature -> typeSignature.getBase().equals(FunctionType.NAME)).map(typeSignature -> (FunctionType) (metadata.getFunctionAndTypeManager().getType(typeSignature))).collect(toImmutableList());
                InternalAggregationFunction internalAggregationFunction = metadata.getFunctionAndTypeManager().getAggregateFunctionImplementation(callExpression.getFunctionHandle());
                List<Class> lambdaInterfaces = internalAggregationFunction.getLambdaInterfaces();
                verify(lambdaExpressions.size() == functionTypes.size());
                verify(lambdaExpressions.size() == lambdaInterfaces.size());
                for (int i = 0; i < lambdaExpressions.size(); i++) {
                    LambdaExpression lambdaExpression = lambdaExpressions.get(i);
                    FunctionType functionType = functionTypes.get(i);
                    // To compile lambda, LambdaDefinitionExpression needs to be generated from LambdaExpression,
                    // which requires the types of all sub-expressions.
                    // 
                    // In project and filter expression compilation, ExpressionAnalyzer.getExpressionTypesFromInput
                    // is used to generate the types of all sub-expressions. (see visitScanFilterAndProject and visitFilter)
                    // 
                    // This does not work here since the function call representation in final aggregation node
                    // is currently a hack: it takes intermediate type as input, and may not be a valid
                    // function call in Presto.
                    // 
                    // TODO: Once the final aggregation function call representation is fixed,
                    // the same mechanism in project and filter expression should be used here.
                    verify(lambdaExpression.getArguments().size() == functionType.getArgumentTypes().size());
                    Map<NodeRef<Expression>, Type> lambdaArgumentExpressionTypes = new HashMap<>();
                    Map<String, Type> lambdaArgumentSymbolTypes = new HashMap<>();
                    for (int j = 0; j < lambdaExpression.getArguments().size(); j++) {
                        LambdaArgumentDeclaration argument = lambdaExpression.getArguments().get(j);
                        Type type = functionType.getArgumentTypes().get(j);
                        lambdaArgumentExpressionTypes.put(NodeRef.of(argument), type);
                        lambdaArgumentSymbolTypes.put(argument.getName().getValue(), type);
                    }
                    // the lambda expression itself
                    builder.put(NodeRef.of(lambdaExpression), functionType).putAll(lambdaArgumentExpressionTypes).putAll(getExpressionTypes(session, metadata, sqlParser, TypeProvider.copyOf(lambdaArgumentSymbolTypes), lambdaExpression.getBody(), emptyList(), NOOP));
                }
            }
            for (RowExpression argument : callExpression.getArguments()) {
                if (!isExpression(argument) || castToExpression(argument) instanceof LambdaExpression) {
                    continue;
                }
                builder.putAll(analyze(castToExpression(argument), session, typeProvider));
            }
            return builder.build();
        }

        private Map<NodeRef<Expression>, Type> analyze(Expression expression, Session session, TypeProvider typeProvider) {
            return getExpressionTypes(session, metadata, sqlParser, typeProvider, expression, emptyList(), NOOP);
        }

        private RowExpression toRowExpression(Expression expression, Session session, Map<NodeRef<Expression>, Type> types) {
            return SqlToRowExpressionTranslator.translate(expression, types, ImmutableMap.of(), metadata.getFunctionAndTypeManager(), session);
        }

        private RowExpression removeOriginalExpression(RowExpression expression, Rule.Context context) {
            if (isExpression(expression)) {
                return toRowExpression(castToExpression(expression), context.getSession(), analyze(castToExpression(expression), context.getSession(), context.getVariableAllocator().getTypes()));
            }
            return expression;
        }

        private RowExpression removeOriginalExpression(RowExpression rowExpression, Session session, Map<NodeRef<Expression>, Type> types) {
            if (isExpression(rowExpression)) {
                Expression expression = castToExpression(rowExpression);
                return toRowExpression(expression, session, types);
            }
            return rowExpression;
        }
    };
}

Example 49 with InternalAggregationFunction

use of com.facebook.presto.operator.aggregation.InternalAggregationFunction in project presto by prestodb.

the class TestHashAggregationOperator method testHashAggregationMemoryReservation.

@Test(dataProvider = "hashEnabledAndMemoryLimitForMergeValues")
public void testHashAggregationMemoryReservation(boolean hashEnabled, boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimitForMerge, long memoryLimitForMergeWithMemory) {
    InternalAggregationFunction arrayAggColumn = getAggregation("array_agg", BIGINT);
    List<Integer> hashChannels = Ints.asList(1);
    RowPagesBuilder rowPagesBuilder = rowPagesBuilder(hashEnabled, hashChannels, BIGINT, BIGINT);
    List<Page> input = rowPagesBuilder.addSequencePage(10, 100, 0).addSequencePage(10, 200, 0).addSequencePage(10, 300, 0).build();
    DriverContext driverContext = createTaskContext(executor, scheduledExecutor, TEST_SESSION, new DataSize(10, Unit.MEGABYTE)).addPipelineContext(0, true, true, false).addDriverContext();
    HashAggregationOperatorFactory operatorFactory = new HashAggregationOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT), hashChannels, ImmutableList.of(), Step.SINGLE, true, ImmutableList.of(arrayAggColumn.bind(ImmutableList.of(0), Optional.empty())), rowPagesBuilder.getHashChannel(), Optional.empty(), 100_000, Optional.of(new DataSize(16, MEGABYTE)), spillEnabled, succinctBytes(memoryLimitForMerge), succinctBytes(memoryLimitForMergeWithMemory), spillerFactory, joinCompiler, false);
    Operator operator = operatorFactory.createOperator(driverContext);
    toPages(operator, input.iterator(), revokeMemoryWhenAddingPages);
    assertEquals(operator.getOperatorContext().getOperatorStats().getUserMemoryReservation().toBytes(), 0);
}

Example 50 with InternalAggregationFunction

use of com.facebook.presto.operator.aggregation.InternalAggregationFunction in project presto by prestodb.

the class TestHashAggregationOperator method testSpillerFailure.

@Test
public void testSpillerFailure() {
    InternalAggregationFunction maxVarcharColumn = getAggregation("max", VARCHAR);
    List<Integer> hashChannels = Ints.asList(1);
    ImmutableList<Type> types = ImmutableList.of(VARCHAR, BIGINT, VARCHAR, BIGINT);
    RowPagesBuilder rowPagesBuilder = rowPagesBuilder(false, hashChannels, types);
    List<Page> input = rowPagesBuilder.addSequencePage(10, 100, 0, 100, 0).addSequencePage(10, 100, 0, 200, 0).addSequencePage(10, 100, 0, 300, 0).build();
    DriverContext driverContext = TestingTaskContext.builder(executor, scheduledExecutor, TEST_SESSION).setQueryMaxMemory(DataSize.valueOf("7MB")).setMemoryPoolSize(DataSize.valueOf("1GB")).build().addPipelineContext(0, true, true, false).addDriverContext();
    HashAggregationOperatorFactory operatorFactory = new HashAggregationOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT), hashChannels, ImmutableList.of(), Step.SINGLE, false, ImmutableList.of(COUNT.bind(ImmutableList.of(0), Optional.empty()), LONG_SUM.bind(ImmutableList.of(3), Optional.empty()), LONG_AVERAGE.bind(ImmutableList.of(3), Optional.empty()), maxVarcharColumn.bind(ImmutableList.of(2), Optional.empty())), rowPagesBuilder.getHashChannel(), Optional.empty(), 100_000, Optional.of(new DataSize(16, MEGABYTE)), true, succinctBytes(8), succinctBytes(Integer.MAX_VALUE), new FailingSpillerFactory(), joinCompiler, false);
    try {
        toPages(operatorFactory, driverContext, input);
        fail("An exception was expected");
    } catch (RuntimeException expected) {
        if (!nullToEmpty(expected.getMessage()).matches(".* Failed to spill")) {
            fail("Exception other than expected was thrown", expected);
        }
    }
}