Examples with Signature io.trino.metadata.Signature used on opensource projects

Example 21 with Signature

use of io.trino.metadata.Signature in project trino by trinodb.

the class TestAnnotationEngineForAggregates method testFixedTypeParameterInjectionAggregateFunctionParse.

@Test
public void testFixedTypeParameterInjectionAggregateFunctionParse() {
    Signature expectedSignature = new Signature("fixed_type_parameter_injection", ImmutableList.of(), ImmutableList.of(), DoubleType.DOUBLE.getTypeSignature(), ImmutableList.of(DoubleType.DOUBLE.getTypeSignature()), false);
    ParametricAggregation aggregation = getOnlyElement(parseFunctionDefinitions(FixedTypeParameterInjectionAggregateFunction.class));
    assertEquals(aggregation.getFunctionMetadata().getDescription(), "Simple aggregate with fixed parameter type injected");
    assertTrue(aggregation.getFunctionMetadata().isDeterministic());
    assertEquals(aggregation.getFunctionMetadata().getSignature(), expectedSignature);
    assertEquals(aggregation.getStateClass(), NullableDoubleState.class);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertImplementationCount(implementations, 1, 0, 0);
    AggregationImplementation implementationDouble = implementations.getExactImplementations().get(expectedSignature);
    assertEquals(implementationDouble.getDefinitionClass(), FixedTypeParameterInjectionAggregateFunction.class);
    assertDependencyCount(implementationDouble, 1, 1, 1);
    assertFalse(implementationDouble.hasSpecializedTypeParameters());
    assertEquals(implementationDouble.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL));
}

Example 22 with Signature

use of io.trino.metadata.Signature in project trino by trinodb.

the class TestAnnotationEngineForAggregates method testSimpleGenericAggregationFunctionParse.

@Test
public void testSimpleGenericAggregationFunctionParse() {
    Signature expectedSignature = new Signature("simple_generic_implementations", ImmutableList.of(typeVariable("T")), ImmutableList.of(), new TypeSignature("T"), ImmutableList.of(new TypeSignature("T")), false);
    ParametricAggregation aggregation = getOnlyElement(parseFunctionDefinitions(GenericAggregationFunction.class));
    assertEquals(aggregation.getFunctionMetadata().getDescription(), "Simple aggregate with two generic implementations");
    assertTrue(aggregation.getFunctionMetadata().isDeterministic());
    assertEquals(aggregation.getFunctionMetadata().getSignature(), expectedSignature);
    assertEquals(aggregation.getStateClass(), NullableLongState.class);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertImplementationCount(implementations, 0, 0, 2);
    AggregationImplementation implementationDouble = implementations.getGenericImplementations().stream().filter(impl -> impl.getInputFunction().type().equals(methodType(void.class, NullableLongState.class, double.class))).collect(toImmutableList()).get(0);
    assertEquals(implementationDouble.getDefinitionClass(), GenericAggregationFunction.class);
    assertDependencyCount(implementationDouble, 0, 0, 0);
    assertFalse(implementationDouble.hasSpecializedTypeParameters());
    assertEquals(implementationDouble.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL));
    AggregationImplementation implementationLong = implementations.getGenericImplementations().stream().filter(impl -> impl.getInputFunction().type().equals(methodType(void.class, NullableLongState.class, long.class))).collect(toImmutableList()).get(0);
    assertEquals(implementationLong.getDefinitionClass(), GenericAggregationFunction.class);
    assertDependencyCount(implementationLong, 0, 0, 0);
    assertFalse(implementationLong.hasSpecializedTypeParameters());
    assertEquals(implementationLong.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL));
    BoundSignature boundSignature = new BoundSignature(aggregation.getFunctionMetadata().getSignature().getName(), DoubleType.DOUBLE, ImmutableList.of(DoubleType.DOUBLE));
    AggregationFunctionMetadata aggregationMetadata = aggregation.getAggregationMetadata();
    assertFalse(aggregationMetadata.isOrderSensitive());
    assertFalse(aggregationMetadata.getIntermediateTypes().isEmpty());
    aggregation.specialize(boundSignature, NO_FUNCTION_DEPENDENCIES);
}

Example 23 with Signature

use of io.trino.metadata.Signature in project trino by trinodb.

the class TestAnnotationEngineForAggregates method testInjectOperatorAggregateParse.

@Test
public void testInjectOperatorAggregateParse() {
    Signature expectedSignature = new Signature("inject_operator_aggregate", DoubleType.DOUBLE.getTypeSignature(), ImmutableList.of(DoubleType.DOUBLE.getTypeSignature()));
    ParametricAggregation aggregation = getOnlyElement(parseFunctionDefinitions(InjectOperatorAggregateFunction.class));
    assertEquals(aggregation.getFunctionMetadata().getDescription(), "Simple aggregate with operator injected");
    assertTrue(aggregation.getFunctionMetadata().isDeterministic());
    assertEquals(aggregation.getFunctionMetadata().getSignature(), expectedSignature);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    AggregationImplementation implementation = getOnlyElement(implementations.getExactImplementations().values());
    assertEquals(implementation.getDefinitionClass(), InjectOperatorAggregateFunction.class);
    assertDependencyCount(implementation, 1, 1, 1);
    assertTrue(implementation.getInputDependencies().get(0) instanceof OperatorImplementationDependency);
    assertTrue(implementation.getCombineDependencies().get(0) instanceof OperatorImplementationDependency);
    assertTrue(implementation.getOutputDependencies().get(0) instanceof OperatorImplementationDependency);
    assertFalse(implementation.hasSpecializedTypeParameters());
    assertEquals(implementation.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL));
    BoundSignature boundSignature = new BoundSignature(aggregation.getFunctionMetadata().getSignature().getName(), DoubleType.DOUBLE, ImmutableList.of(DoubleType.DOUBLE));
    specializeAggregationFunction(boundSignature, aggregation);
}

Example 24 with Signature

use of io.trino.metadata.Signature in project trino by trinodb.

the class TestAnnotationEngineForAggregates method testLongConstraintAggregateFunctionParse.

@Test
public void testLongConstraintAggregateFunctionParse() {
    Signature expectedSignature = new Signature("parametric_aggregate_long_constraint", ImmutableList.of(), ImmutableList.of(new LongVariableConstraint("z", "x + y")), new TypeSignature("varchar", TypeSignatureParameter.typeVariable("z")), ImmutableList.of(new TypeSignature("varchar", TypeSignatureParameter.typeVariable("x")), new TypeSignature("varchar", TypeSignatureParameter.typeVariable("y"))), false);
    ParametricAggregation aggregation = getOnlyElement(parseFunctionDefinitions(LongConstraintAggregateFunction.class));
    assertEquals(aggregation.getFunctionMetadata().getDescription(), "Parametric aggregate with parametric type returned");
    assertTrue(aggregation.getFunctionMetadata().isDeterministic());
    assertEquals(aggregation.getFunctionMetadata().getSignature(), expectedSignature);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertEquals(implementations.getGenericImplementations().size(), 1);
    AggregationImplementation implementation = implementations.getGenericImplementations().get(0);
    assertEquals(implementation.getDefinitionClass(), LongConstraintAggregateFunction.class);
    assertDependencyCount(implementation, 0, 0, 0);
    assertFalse(implementation.hasSpecializedTypeParameters());
    assertEquals(implementation.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL, INPUT_CHANNEL));
    BoundSignature boundSignature = new BoundSignature(aggregation.getFunctionMetadata().getSignature().getName(), createVarcharType(30), ImmutableList.of(createVarcharType(17), createVarcharType(13)));
    AggregationFunctionMetadata aggregationMetadata = aggregation.getAggregationMetadata();
    assertFalse(aggregationMetadata.isOrderSensitive());
    assertFalse(aggregationMetadata.getIntermediateTypes().isEmpty());
    aggregation.specialize(boundSignature, NO_FUNCTION_DEPENDENCIES);
}

Example 25 with Signature

use of io.trino.metadata.Signature in project trino by trinodb.

the class TestAnnotationEngineForAggregates method testInjectLiteralAggregateParse.

@Test
public void testInjectLiteralAggregateParse() {
    Signature expectedSignature = new Signature("inject_literal_aggregate", new TypeSignature("varchar", TypeSignatureParameter.typeVariable("x")), ImmutableList.of(new TypeSignature("varchar", TypeSignatureParameter.typeVariable("x"))));
    ParametricAggregation aggregation = getOnlyElement(parseFunctionDefinitions(InjectLiteralAggregateFunction.class));
    assertEquals(aggregation.getFunctionMetadata().getDescription(), "Simple aggregate with type literal");
    assertTrue(aggregation.getFunctionMetadata().isDeterministic());
    assertEquals(aggregation.getFunctionMetadata().getSignature(), expectedSignature);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertEquals(implementations.getGenericImplementations().size(), 1);
    AggregationImplementation implementation = implementations.getGenericImplementations().get(0);
    assertEquals(implementation.getDefinitionClass(), InjectLiteralAggregateFunction.class);
    assertDependencyCount(implementation, 1, 1, 1);
    assertTrue(implementation.getInputDependencies().get(0) instanceof LiteralImplementationDependency);
    assertTrue(implementation.getCombineDependencies().get(0) instanceof LiteralImplementationDependency);
    assertTrue(implementation.getOutputDependencies().get(0) instanceof LiteralImplementationDependency);
    assertFalse(implementation.hasSpecializedTypeParameters());
    assertEquals(implementation.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL));
    BoundSignature boundSignature = new BoundSignature(aggregation.getFunctionMetadata().getSignature().getName(), createVarcharType(17), ImmutableList.of(createVarcharType(17)));
    AggregationFunctionMetadata aggregationMetadata = aggregation.getAggregationMetadata();
    assertFalse(aggregationMetadata.isOrderSensitive());
    assertFalse(aggregationMetadata.getIntermediateTypes().isEmpty());
    aggregation.specialize(boundSignature, NO_FUNCTION_DEPENDENCIES);
}