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

Example 6 with ParametricAggregation

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

the class TestAnnotationEngineForAggregates method testNotAnnotatedAggregateStateAggregationParse.

@Test
public void testNotAnnotatedAggregateStateAggregationParse() {
    ParametricAggregation aggregation = parseFunctionDefinition(NotAnnotatedAggregateStateAggregationFunction.class);
    AggregationImplementation implementation = getOnlyElement(aggregation.getImplementations().getExactImplementations().values());
    List<AggregationMetadata.ParameterMetadata.ParameterType> expectedMetadataTypes = ImmutableList.of(AggregationMetadata.ParameterMetadata.ParameterType.STATE, AggregationMetadata.ParameterMetadata.ParameterType.INPUT_CHANNEL);
    assertTrue(implementation.getInputParameterMetadataTypes().equals(expectedMetadataTypes));
    InternalAggregationFunction specialized = aggregation.specialize(BoundVariables.builder().build(), 1, FUNCTION_AND_TYPE_MANAGER);
    assertEquals(specialized.getFinalType(), DoubleType.DOUBLE);
    assertTrue(specialized.isDecomposable());
    assertEquals(specialized.name(), "no_aggregation_state_aggregate");
}

Example 7 with ParametricAggregation

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

the class TestAnnotationEngineForAggregates method testPartiallyFixedTypeParameterInjectionAggregateFunctionParse.

@Test
public void testPartiallyFixedTypeParameterInjectionAggregateFunctionParse() {
    Signature expectedSignature = new Signature(QualifiedObjectName.valueOf(DEFAULT_NAMESPACE, "partially_fixed_type_parameter_injection"), FunctionKind.AGGREGATE, ImmutableList.of(typeVariable("T1"), typeVariable("T2")), ImmutableList.of(), DoubleType.DOUBLE.getTypeSignature(), ImmutableList.of(DoubleType.DOUBLE.getTypeSignature()), false);
    ParametricAggregation aggregation = parseFunctionDefinition(PartiallyFixedTypeParameterInjectionAggregateFunction.class);
    assertEquals(aggregation.getDescription(), "Simple aggregate with fixed parameter type injected");
    assertTrue(aggregation.isDeterministic());
    assertEquals(aggregation.getSignature(), expectedSignature);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertImplementationCount(implementations, 0, 0, 1);
    AggregationImplementation implementationDouble = implementations.getGenericImplementations().stream().filter(impl -> impl.getStateClass() == NullableDoubleState.class).collect(toImmutableList()).get(0);
    assertFalse(implementationDouble.getStateSerializerFactory().isPresent());
    assertEquals(implementationDouble.getDefinitionClass(), PartiallyFixedTypeParameterInjectionAggregateFunction.class);
    assertDependencyCount(implementationDouble, 1, 1, 1);
    assertFalse(implementationDouble.hasSpecializedTypeParameters());
    List<AggregationMetadata.ParameterMetadata.ParameterType> expectedMetadataTypes = ImmutableList.of(AggregationMetadata.ParameterMetadata.ParameterType.STATE, AggregationMetadata.ParameterMetadata.ParameterType.INPUT_CHANNEL);
    assertTrue(implementationDouble.getInputParameterMetadataTypes().equals(expectedMetadataTypes));
    assertEquals(implementationDouble.getStateClass(), NullableDoubleState.class);
    InternalAggregationFunction specialized = aggregation.specialize(BoundVariables.builder().setTypeVariable("T1", DoubleType.DOUBLE).setTypeVariable("T2", DoubleType.DOUBLE).build(), 1, FUNCTION_AND_TYPE_MANAGER);
    assertEquals(specialized.getFinalType(), DoubleType.DOUBLE);
    assertTrue(specialized.getParameterTypes().equals(ImmutableList.of(DoubleType.DOUBLE)));
    assertTrue(specialized.isDecomposable());
    assertEquals(specialized.name(), "partially_fixed_type_parameter_injection");
}

Example 8 with ParametricAggregation

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

the class TestAnnotationEngineForAggregates method testStateOnDifferentThanFirstPositionAggregationParse.

@Test
public void testStateOnDifferentThanFirstPositionAggregationParse() {
    Signature expectedSignature = new Signature(QualifiedObjectName.valueOf(DEFAULT_NAMESPACE, "simple_exact_aggregate_aggregation_state_moved"), FunctionKind.AGGREGATE, DoubleType.DOUBLE.getTypeSignature(), ImmutableList.of(DoubleType.DOUBLE.getTypeSignature()));
    ParametricAggregation aggregation = parseFunctionDefinition(StateOnDifferentThanFirstPositionAggregationFunction.class);
    assertEquals(aggregation.getSignature(), expectedSignature);
    AggregationImplementation implementation = getOnlyElement(aggregation.getImplementations().getExactImplementations().values());
    assertEquals(implementation.getDefinitionClass(), StateOnDifferentThanFirstPositionAggregationFunction.class);
    List<AggregationMetadata.ParameterMetadata.ParameterType> expectedMetadataTypes = ImmutableList.of(AggregationMetadata.ParameterMetadata.ParameterType.INPUT_CHANNEL, AggregationMetadata.ParameterMetadata.ParameterType.STATE);
    assertTrue(implementation.getInputParameterMetadataTypes().equals(expectedMetadataTypes));
}

Example 9 with ParametricAggregation

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

the class TestAnnotationEngineForAggregates method testCustomStateSerializerAggregationParse.

@Test
public void testCustomStateSerializerAggregationParse() {
    ParametricAggregation aggregation = parseFunctionDefinition(CustomStateSerializerAggregationFunction.class);
    AggregationImplementation implementation = getOnlyElement(aggregation.getImplementations().getExactImplementations().values());
    assertTrue(implementation.getStateSerializerFactory().isPresent());
    InternalAggregationFunction specialized = aggregation.specialize(BoundVariables.builder().build(), 1, FUNCTION_AND_TYPE_MANAGER);
    AccumulatorStateSerializer<?> createdSerializer = getOnlyElement(((LazyAccumulatorFactoryBinder) specialized.getAccumulatorFactoryBinder()).getGenericAccumulatorFactoryBinder().getStateDescriptors()).getSerializer();
    Class<?> serializerFactory = implementation.getStateSerializerFactory().get().type().returnType();
    assertTrue(serializerFactory.isInstance(createdSerializer));
}

Example 10 with ParametricAggregation

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

the class TestAnnotationEngineForAggregates method testSimpleImplicitSpecializedAggregationParse.

// @Test - this is not yet supported
public void testSimpleImplicitSpecializedAggregationParse() {
    Signature expectedSignature = new Signature(QualifiedObjectName.valueOf(DEFAULT_NAMESPACE, "implicit_specialized_aggregate"), FunctionKind.AGGREGATE, ImmutableList.of(typeVariable("T")), ImmutableList.of(), parseTypeSignature("T"), ImmutableList.of(new TypeSignature(ARRAY, TypeSignatureParameter.of(parseTypeSignature("T"))), parseTypeSignature("T")), false);
    ParametricAggregation aggregation = parseFunctionDefinition(ImplicitSpecializedAggregationFunction.class);
    assertEquals(aggregation.getDescription(), "Simple implicit specialized aggregate");
    assertTrue(aggregation.isDeterministic());
    assertEquals(aggregation.getSignature(), expectedSignature);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertImplementationCount(implementations, 0, 0, 2);
    AggregationImplementation implementation1 = implementations.getSpecializedImplementations().get(0);
    assertTrue(implementation1.hasSpecializedTypeParameters());
    assertFalse(implementation1.hasSpecializedTypeParameters());
    List<AggregationMetadata.ParameterMetadata.ParameterType> expectedMetadataTypes = ImmutableList.of(AggregationMetadata.ParameterMetadata.ParameterType.STATE, AggregationMetadata.ParameterMetadata.ParameterType.INPUT_CHANNEL, AggregationMetadata.ParameterMetadata.ParameterType.INPUT_CHANNEL);
    assertTrue(implementation1.getInputParameterMetadataTypes().equals(expectedMetadataTypes));
    AggregationImplementation implementation2 = implementations.getSpecializedImplementations().get(1);
    assertTrue(implementation2.hasSpecializedTypeParameters());
    assertFalse(implementation2.hasSpecializedTypeParameters());
    assertTrue(implementation2.getInputParameterMetadataTypes().equals(expectedMetadataTypes));
    InternalAggregationFunction specialized = aggregation.specialize(BoundVariables.builder().setTypeVariable("T", DoubleType.DOUBLE).build(), 1, FUNCTION_AND_TYPE_MANAGER);
    assertEquals(specialized.getFinalType(), DoubleType.DOUBLE);
    assertTrue(specialized.isDecomposable());
    assertEquals(specialized.name(), "implicit_specialized_aggregate");
}