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

Example 16 with AccumulatorStateDescriptor

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

the class MapUnionAggregation method generateAggregation.

private static InternalAggregationFunction generateAggregation(Type keyType, Type valueType, MapType outputType) {
    DynamicClassLoader classLoader = new DynamicClassLoader(MapUnionAggregation.class.getClassLoader());
    List<Type> inputTypes = ImmutableList.of(outputType);
    KeyValuePairStateSerializer stateSerializer = new KeyValuePairStateSerializer(outputType);
    Type intermediateType = stateSerializer.getSerializedType();
    AggregationMetadata metadata = new AggregationMetadata(generateAggregationName(NAME, outputType.getTypeSignature(), inputTypes.stream().map(Type::getTypeSignature).collect(toImmutableList())), createInputParameterMetadata(outputType), INPUT_FUNCTION.bindTo(keyType).bindTo(valueType), COMBINE_FUNCTION, OUTPUT_FUNCTION, ImmutableList.of(new AccumulatorStateDescriptor(KeyValuePairsState.class, stateSerializer, new KeyValuePairsStateFactory(keyType, valueType))), outputType);
    GenericAccumulatorFactoryBinder factory = AccumulatorCompiler.generateAccumulatorFactoryBinder(metadata, classLoader);
    return new InternalAggregationFunction(NAME, inputTypes, ImmutableList.of(intermediateType), outputType, true, true, factory);
}

Example 17 with AccumulatorStateDescriptor

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

the class MapAggregationFunction method generateAggregation.

private static InternalAggregationFunction generateAggregation(Type keyType, Type valueType, MapType outputType) {
    DynamicClassLoader classLoader = new DynamicClassLoader(MapAggregationFunction.class.getClassLoader());
    List<Type> inputTypes = ImmutableList.of(keyType, valueType);
    KeyValuePairStateSerializer stateSerializer = new KeyValuePairStateSerializer(outputType);
    Type intermediateType = stateSerializer.getSerializedType();
    AggregationMetadata metadata = new AggregationMetadata(generateAggregationName(NAME, outputType.getTypeSignature(), inputTypes.stream().map(Type::getTypeSignature).collect(toImmutableList())), createInputParameterMetadata(keyType, valueType), INPUT_FUNCTION.bindTo(keyType).bindTo(valueType), COMBINE_FUNCTION, OUTPUT_FUNCTION, ImmutableList.of(new AccumulatorStateDescriptor(KeyValuePairsState.class, stateSerializer, new KeyValuePairsStateFactory(keyType, valueType))), outputType);
    GenericAccumulatorFactoryBinder factory = AccumulatorCompiler.generateAccumulatorFactoryBinder(metadata, classLoader);
    return new InternalAggregationFunction(NAME, inputTypes, ImmutableList.of(intermediateType), outputType, true, true, factory);
}

Example 18 with AccumulatorStateDescriptor

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

the class MapUnionSumAggregation method generateAggregation.

private static InternalAggregationFunction generateAggregation(Type keyType, Type valueType, MapType outputType) {
    DynamicClassLoader classLoader = new DynamicClassLoader(MapUnionSumAggregation.class.getClassLoader());
    List<Type> inputTypes = ImmutableList.of(outputType);
    MapUnionSumStateSerializer stateSerializer = new MapUnionSumStateSerializer(outputType);
    Type intermediateType = stateSerializer.getSerializedType();
    AggregationMetadata metadata = new AggregationMetadata(generateAggregationName(NAME, outputType.getTypeSignature(), inputTypes.stream().map(Type::getTypeSignature).collect(toImmutableList())), createInputParameterMetadata(outputType), INPUT_FUNCTION.bindTo(keyType).bindTo(valueType), COMBINE_FUNCTION, OUTPUT_FUNCTION, ImmutableList.of(new AccumulatorStateDescriptor(MapUnionSumState.class, stateSerializer, new MapUnionSumStateFactory(keyType, valueType))), outputType);
    GenericAccumulatorFactoryBinder factory = AccumulatorCompiler.generateAccumulatorFactoryBinder(metadata, classLoader);
    return new InternalAggregationFunction(NAME, inputTypes, ImmutableList.of(intermediateType), outputType, true, false, factory);
}

Example 19 with AccumulatorStateDescriptor

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

the class DecimalSumAggregation method generateAggregation.

private static InternalAggregationFunction generateAggregation(Type inputType, Type outputType) {
    checkArgument(inputType instanceof DecimalType, "type must be Decimal");
    DynamicClassLoader classLoader = new DynamicClassLoader(DecimalSumAggregation.class.getClassLoader());
    List<Type> inputTypes = ImmutableList.of(inputType);
    MethodHandle inputFunction;
    Class<? extends AccumulatorState> stateInterface = LongDecimalWithOverflowState.class;
    AccumulatorStateSerializer<?> stateSerializer = new LongDecimalWithOverflowStateSerializer();
    if (((DecimalType) inputType).isShort()) {
        inputFunction = SHORT_DECIMAL_INPUT_FUNCTION;
    } else {
        inputFunction = LONG_DECIMAL_INPUT_FUNCTION;
    }
    AggregationMetadata metadata = new AggregationMetadata(generateAggregationName(NAME, outputType.getTypeSignature(), inputTypes.stream().map(Type::getTypeSignature).collect(toImmutableList())), createInputParameterMetadata(inputType), inputFunction, COMBINE_FUNCTION, LONG_DECIMAL_OUTPUT_FUNCTION, ImmutableList.of(new AccumulatorStateDescriptor(stateInterface, stateSerializer, new LongDecimalWithOverflowStateFactory())), outputType);
    Type intermediateType = stateSerializer.getSerializedType();
    GenericAccumulatorFactoryBinder factory = AccumulatorCompiler.generateAccumulatorFactoryBinder(metadata, classLoader);
    return new InternalAggregationFunction(NAME, inputTypes, ImmutableList.of(intermediateType), outputType, true, false, factory);
}

Example 20 with AccumulatorStateDescriptor

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

the class SetAggregationFunction method generateAggregation.

private static InternalAggregationFunction generateAggregation(Type type, ArrayType outputType) {
    DynamicClassLoader classLoader = new DynamicClassLoader(SetAggregationFunction.class.getClassLoader());
    List<Type> inputTypes = ImmutableList.of(type);
    AccumulatorStateSerializer<?> stateSerializer = new SetAggregationStateSerializer(outputType);
    AccumulatorStateFactory<?> stateFactory = new SetAggregationStateFactory(type);
    Type intermediateType = stateSerializer.getSerializedType();
    List<ParameterMetadata> inputParameterMetadata = createInputParameterMetadata(type);
    Class<? extends AccumulatorState> stateInterface = SetAggregationState.class;
    AggregationMetadata metadata = new AggregationMetadata(generateAggregationName(NAME, outputType.getTypeSignature(), inputTypes.stream().map(Type::getTypeSignature).collect(toImmutableList())), inputParameterMetadata, INPUT_FUNCTION.bindTo(type), COMBINE_FUNCTION, OUTPUT_FUNCTION, ImmutableList.of(new AccumulatorStateDescriptor(stateInterface, stateSerializer, stateFactory)), outputType);
    GenericAccumulatorFactoryBinder factory = AccumulatorCompiler.generateAccumulatorFactoryBinder(metadata, classLoader);
    return new InternalAggregationFunction(NAME, inputTypes, ImmutableList.of(intermediateType), outputType, true, true, factory);
}