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

Example 11 with Signature

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

the class TestAnnotationEngineForAggregates method testMultiOutputAggregationParse.

@Test
public void testMultiOutputAggregationParse() {
    Signature expectedSignature1 = new Signature("multi_output_aggregate_1", DoubleType.DOUBLE.getTypeSignature(), ImmutableList.of(DoubleType.DOUBLE.getTypeSignature()));
    Signature expectedSignature2 = new Signature("multi_output_aggregate_2", DoubleType.DOUBLE.getTypeSignature(), ImmutableList.of(DoubleType.DOUBLE.getTypeSignature()));
    List<ParametricAggregation> aggregations = parseFunctionDefinitions(MultiOutputAggregationFunction.class);
    assertEquals(aggregations.size(), 2);
    ParametricAggregation aggregation1 = aggregations.stream().filter(aggregate -> aggregate.getFunctionMetadata().getSignature().getName().equals("multi_output_aggregate_1")).collect(toImmutableList()).get(0);
    assertEquals(aggregation1.getFunctionMetadata().getSignature(), expectedSignature1);
    assertEquals(aggregation1.getFunctionMetadata().getDescription(), "Simple multi output function aggregate specialized description");
    ParametricAggregation aggregation2 = aggregations.stream().filter(aggregate -> aggregate.getFunctionMetadata().getSignature().getName().equals("multi_output_aggregate_2")).collect(toImmutableList()).get(0);
    assertEquals(aggregation2.getFunctionMetadata().getSignature(), expectedSignature2);
    assertEquals(aggregation2.getFunctionMetadata().getDescription(), "Simple multi output function aggregate generic description");
    ParametricImplementationsGroup<AggregationImplementation> implementations1 = aggregation1.getImplementations();
    assertImplementationCount(implementations1, 1, 0, 0);
    ParametricImplementationsGroup<AggregationImplementation> implementations2 = aggregation2.getImplementations();
    assertImplementationCount(implementations2, 1, 0, 0);
    AggregationImplementation implementation = getOnlyElement(implementations1.getExactImplementations().values());
    assertEquals(implementation.getDefinitionClass(), MultiOutputAggregationFunction.class);
    assertDependencyCount(implementation, 0, 0, 0);
    assertFalse(implementation.hasSpecializedTypeParameters());
    assertEquals(implementation.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL));
    BoundSignature boundSignature = new BoundSignature(aggregation1.getFunctionMetadata().getSignature().getName(), DoubleType.DOUBLE, ImmutableList.of(DoubleType.DOUBLE));
    AggregationFunctionMetadata aggregationMetadata = aggregation1.getAggregationMetadata();
    assertFalse(aggregationMetadata.isOrderSensitive());
    assertFalse(aggregationMetadata.getIntermediateTypes().isEmpty());
    aggregation1.specialize(boundSignature, NO_FUNCTION_DEPENDENCIES);
}

Example 12 with Signature

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

the class TestAnnotationEngineForScalars method testWithNullableComplexArgScalarParse.

@Test
public void testWithNullableComplexArgScalarParse() {
    Signature expectedSignature = new Signature("scalar_with_nullable_complex", DOUBLE.getTypeSignature(), ImmutableList.of(DOUBLE.getTypeSignature(), DOUBLE.getTypeSignature()));
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(WithNullableComplexArgScalarFunction.class);
    assertEquals(functions.size(), 1);
    ParametricScalar scalar = (ParametricScalar) functions.get(0);
    FunctionMetadata functionMetadata = scalar.getFunctionMetadata();
    assertEquals(functionMetadata.getSignature(), expectedSignature);
    assertTrue(functionMetadata.isDeterministic());
    assertFalse(functionMetadata.isHidden());
    assertEquals(functionMetadata.getDescription(), "Simple scalar with nullable complex type");
    assertFalse(functionMetadata.getFunctionNullability().isArgumentNullable(0));
    assertTrue(functionMetadata.getFunctionNullability().isArgumentNullable(1));
    BoundSignature boundSignature = new BoundSignature(expectedSignature.getName(), DOUBLE, ImmutableList.of(DOUBLE, DOUBLE));
    ChoicesScalarFunctionImplementation specialized = (ChoicesScalarFunctionImplementation) scalar.specialize(boundSignature, new FunctionDependencies(FUNCTION_MANAGER::getScalarFunctionInvoker, ImmutableMap.of(), ImmutableSet.of()));
    assertFalse(specialized.getChoices().get(0).getInstanceFactory().isPresent());
}

Example 13 with Signature

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

the class TestAnnotationEngineForScalars method testComplexParametricScalarParse.

@Test
public void testComplexParametricScalarParse() {
    Signature expectedSignature = new Signature("with_exact_scalar", ImmutableList.of(), ImmutableList.of(), BOOLEAN.getTypeSignature(), ImmutableList.of(arrayType(new TypeSignature("varchar", TypeSignatureParameter.typeVariable("x")))), false);
    Signature exactSignature = new Signature("with_exact_scalar", ImmutableList.of(), ImmutableList.of(), BOOLEAN.getTypeSignature(), ImmutableList.of(arrayType(createVarcharType(17).getTypeSignature())), false);
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(ComplexParametricScalarFunction.class);
    assertEquals(functions.size(), 1);
    ParametricScalar scalar = (ParametricScalar) functions.get(0);
    assertImplementationCount(scalar.getImplementations(), 1, 0, 1);
    assertEquals(getOnlyElement(scalar.getImplementations().getExactImplementations().keySet()), exactSignature);
    FunctionMetadata functionMetadata = scalar.getFunctionMetadata();
    assertEquals(functionMetadata.getSignature(), expectedSignature);
    assertTrue(functionMetadata.isDeterministic());
    assertFalse(functionMetadata.isHidden());
    assertEquals(functionMetadata.getDescription(), "Parametric scalar with exact and generic implementations");
}

Example 14 with Signature

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

the class TestAnnotationEngineForScalars method testSimpleInjectionScalarParse.

@Test
public void testSimpleInjectionScalarParse() {
    Signature expectedSignature = new Signature("parametric_scalar_inject", ImmutableList.of(), ImmutableList.of(), BIGINT.getTypeSignature(), ImmutableList.of(new TypeSignature("varchar", TypeSignatureParameter.typeVariable("x"))), false);
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(SimpleInjectionScalarFunction.class);
    assertEquals(functions.size(), 1);
    ParametricScalar scalar = (ParametricScalar) functions.get(0);
    assertImplementationCount(scalar, 0, 0, 1);
    List<ParametricScalarImplementationChoice> parametricScalarImplementationChoices = scalar.getImplementations().getGenericImplementations().get(0).getChoices();
    assertEquals(parametricScalarImplementationChoices.size(), 1);
    List<ImplementationDependency> dependencies = parametricScalarImplementationChoices.get(0).getDependencies();
    assertEquals(dependencies.size(), 1);
    assertTrue(dependencies.get(0) instanceof LiteralImplementationDependency);
    FunctionMetadata functionMetadata = scalar.getFunctionMetadata();
    assertEquals(functionMetadata.getSignature(), expectedSignature);
    assertTrue(functionMetadata.isDeterministic());
    assertFalse(functionMetadata.isHidden());
    assertEquals(functionMetadata.getDescription(), "Parametric scalar with literal injected");
}

Example 15 with Signature

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

the class TestAnnotationEngineForScalars method testFixedTypeParameterParse.

@Test
public void testFixedTypeParameterParse() {
    Signature expectedSignature = new Signature("fixed_type_parameter_scalar_function", ImmutableList.of(), ImmutableList.of(), BIGINT.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature()), false);
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(FixedTypeParameterScalarFunction.class);
    assertEquals(functions.size(), 1);
    ParametricScalar scalar = (ParametricScalar) functions.get(0);
    assertImplementationCount(scalar, 1, 0, 0);
    FunctionMetadata functionMetadata = scalar.getFunctionMetadata();
    assertEquals(functionMetadata.getSignature(), expectedSignature);
    assertTrue(functionMetadata.isDeterministic());
    assertFalse(functionMetadata.isHidden());
    assertEquals(functionMetadata.getDescription(), "Parametric scalar that uses TypeParameter with fixed type");
}