Examples with ParametricScalar io.trino.operator.scalar.ParametricScalar used on opensource projects

Example 6 with ParametricScalar

use of io.trino.operator.scalar.ParametricScalar in project trino by trinodb.

the class TestAnnotationEngineForScalars method testWithNullablePrimitiveArgScalarParse.

@Test
public void testWithNullablePrimitiveArgScalarParse() {
    Signature expectedSignature = new Signature("scalar_with_nullable", DOUBLE.getTypeSignature(), ImmutableList.of(DOUBLE.getTypeSignature(), DOUBLE.getTypeSignature()));
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(WithNullablePrimitiveArgScalarFunction.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 primitive");
    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 7 with ParametricScalar

use of io.trino.operator.scalar.ParametricScalar in project trino by trinodb.

the class TestAnnotationEngineForScalars method testConstructorInjectionScalarParse.

@Test
public void testConstructorInjectionScalarParse() {
    Signature expectedSignature = new Signature("parametric_scalar_inject_constructor", ImmutableList.of(typeVariable("T")), ImmutableList.of(), BIGINT.getTypeSignature(), ImmutableList.of(arrayType(new TypeSignature("T"))), false);
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(ConstructorInjectionScalarFunction.class);
    assertEquals(functions.size(), 1);
    ParametricScalar scalar = (ParametricScalar) functions.get(0);
    assertImplementationCount(scalar, 2, 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(), 0);
    List<ImplementationDependency> constructorDependencies = parametricScalarImplementationChoices.get(0).getConstructorDependencies();
    assertEquals(constructorDependencies.size(), 1);
    assertTrue(constructorDependencies.get(0) instanceof TypeImplementationDependency);
    FunctionMetadata functionMetadata = scalar.getFunctionMetadata();
    assertEquals(functionMetadata.getSignature(), expectedSignature);
    assertTrue(functionMetadata.isDeterministic());
    assertFalse(functionMetadata.isHidden());
    assertEquals(functionMetadata.getDescription(), "Parametric scalar with type injected though constructor");
}

Example 8 with ParametricScalar

use of io.trino.operator.scalar.ParametricScalar in project trino by trinodb.

the class ScalarFromAnnotationsParser method parseParametricScalar.

private static SqlScalarFunction parseParametricScalar(ScalarHeaderAndMethods scalar, Optional<Constructor<?>> constructor, boolean deprecated) {
    ScalarImplementationHeader header = scalar.getHeader();
    checkArgument(!header.getName().isEmpty());
    Map<SpecializedSignature, ParametricScalarImplementation.Builder> signatures = new HashMap<>();
    for (Method method : scalar.getMethods()) {
        ParametricScalarImplementation.Parser implementation = new ParametricScalarImplementation.Parser(header.getName(), method, constructor);
        if (!signatures.containsKey(implementation.getSpecializedSignature())) {
            ParametricScalarImplementation.Builder builder = new ParametricScalarImplementation.Builder(implementation.getSignature(), implementation.getArgumentNativeContainerTypes(), implementation.getSpecializedTypeParameters(), implementation.getReturnNativeContainerType());
            signatures.put(implementation.getSpecializedSignature(), builder);
            builder.addChoice(implementation.getChoice());
        } else {
            ParametricScalarImplementation.Builder builder = signatures.get(implementation.getSpecializedSignature());
            builder.addChoice(implementation.getChoice());
        }
    }
    ParametricImplementationsGroup.Builder<ParametricScalarImplementation> implementationsBuilder = ParametricImplementationsGroup.builder();
    for (ParametricScalarImplementation.Builder implementation : signatures.values()) {
        implementationsBuilder.addImplementation(implementation.build());
    }
    ParametricImplementationsGroup<ParametricScalarImplementation> implementations = implementationsBuilder.build();
    Signature scalarSignature = implementations.getSignature();
    header.getOperatorType().ifPresent(operatorType -> validateOperator(operatorType, scalarSignature.getReturnType(), scalarSignature.getArgumentTypes()));
    return new ParametricScalar(scalarSignature, header.getHeader(), implementations, deprecated);
}

Example 9 with ParametricScalar

use of io.trino.operator.scalar.ParametricScalar in project trino by trinodb.

the class TestAnnotationEngineForScalars method testStaticMethodScalarParse.

@Test
public void testStaticMethodScalarParse() {
    Signature expectedSignature = new Signature("static_method_scalar", DOUBLE.getTypeSignature(), ImmutableList.of(DOUBLE.getTypeSignature()));
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinitions(StaticMethodScalarFunction.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 single implementation based on method");
}

Example 10 with ParametricScalar

use of io.trino.operator.scalar.ParametricScalar in project trino by trinodb.

the class TestAnnotationEngineForScalars method testMultiScalarParse.

@Test
public void testMultiScalarParse() {
    Signature expectedSignature1 = new Signature("static_method_scalar_1", DOUBLE.getTypeSignature(), ImmutableList.of(DOUBLE.getTypeSignature()));
    Signature expectedSignature2 = new Signature("static_method_scalar_2", BIGINT.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature()));
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinitions(MultiScalarFunction.class);
    assertEquals(functions.size(), 2);
    ParametricScalar scalar1 = (ParametricScalar) functions.stream().filter(function -> function.getFunctionMetadata().getSignature().equals(expectedSignature1)).collect(toImmutableList()).get(0);
    ParametricScalar scalar2 = (ParametricScalar) functions.stream().filter(function -> function.getFunctionMetadata().getSignature().equals(expectedSignature2)).collect(toImmutableList()).get(0);
    assertImplementationCount(scalar1, 1, 0, 0);
    assertImplementationCount(scalar2, 1, 0, 0);
    FunctionMetadata functionMetadata1 = scalar1.getFunctionMetadata();
    assertEquals(functionMetadata1.getSignature(), expectedSignature1);
    assertTrue(functionMetadata1.isDeterministic());
    assertFalse(functionMetadata1.isHidden());
    assertEquals(functionMetadata1.getDescription(), "Simple scalar with single implementation based on method 1");
    FunctionMetadata functionMetadata2 = scalar2.getFunctionMetadata();
    assertEquals(functionMetadata2.getSignature(), expectedSignature2);
    assertFalse(functionMetadata2.isDeterministic());
    assertTrue(functionMetadata2.isHidden());
    assertEquals(functionMetadata2.getDescription(), "Simple scalar with single implementation based on method 2");
}