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

Example 1 with ChoicesScalarFunctionImplementation

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

the class ParametricScalarImplementation method specialize.

public Optional<ScalarFunctionImplementation> specialize(FunctionBinding functionBinding, FunctionDependencies functionDependencies) {
    List<ScalarImplementationChoice> implementationChoices = new ArrayList<>();
    for (Map.Entry<String, Class<?>> entry : specializedTypeParameters.entrySet()) {
        if (!entry.getValue().isAssignableFrom(functionBinding.getTypeVariable(entry.getKey()).getJavaType())) {
            return Optional.empty();
        }
    }
    BoundSignature boundSignature = functionBinding.getBoundSignature();
    if (returnNativeContainerType != Object.class && returnNativeContainerType != boundSignature.getReturnType().getJavaType()) {
        return Optional.empty();
    }
    for (int i = 0; i < boundSignature.getArgumentTypes().size(); i++) {
        if (boundSignature.getArgumentTypes().get(i) instanceof FunctionType) {
            if (argumentNativeContainerTypes.get(i).isPresent()) {
                return Optional.empty();
            }
        } else {
            if (argumentNativeContainerTypes.get(i).isEmpty()) {
                return Optional.empty();
            }
            Class<?> argumentType = boundSignature.getArgumentTypes().get(i).getJavaType();
            Class<?> argumentNativeContainerType = argumentNativeContainerTypes.get(i).get();
            if (argumentNativeContainerType != Object.class && argumentNativeContainerType != argumentType) {
                return Optional.empty();
            }
        }
    }
    for (ParametricScalarImplementationChoice choice : choices) {
        MethodHandle boundMethodHandle = bindDependencies(choice.getMethodHandle(), choice.getDependencies(), functionBinding, functionDependencies);
        Optional<MethodHandle> boundConstructor = choice.getConstructor().map(constructor -> {
            MethodHandle result = bindDependencies(constructor, choice.getConstructorDependencies(), functionBinding, functionDependencies);
            checkCondition(result.type().parameterList().isEmpty(), FUNCTION_IMPLEMENTATION_ERROR, "All parameters of a constructor in a function definition class must be Dependencies. Signature: %s", boundSignature);
            return result;
        });
        implementationChoices.add(new ScalarImplementationChoice(choice.getReturnConvention(), choice.getArgumentConventions(), choice.getLambdaInterfaces(), boundMethodHandle.asType(javaMethodType(choice, boundSignature)), boundConstructor));
    }
    return Optional.of(new ChoicesScalarFunctionImplementation(boundSignature, implementationChoices));
}

Example 2 with ChoicesScalarFunctionImplementation

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

the class TestPolymorphicScalarFunction method testSameLiteralInArgumentsAndReturnValue.

@Test
public void testSameLiteralInArgumentsAndReturnValue() throws Throwable {
    Signature signature = Signature.builder().name("foo").returnType(new TypeSignature("varchar", typeVariable("x"))).argumentTypes(new TypeSignature("varchar", typeVariable("x"))).build();
    SqlScalarFunction function = new PolymorphicScalarFunctionBuilder(TestMethods.class).signature(signature).deterministic(true).choice(choice -> choice.implementation(methodsGroup -> methodsGroup.methods("varcharToVarchar"))).build();
    BoundSignature boundSignature = new BoundSignature(signature.getName(), createVarcharType(INPUT_VARCHAR_LENGTH), ImmutableList.of(createVarcharType(INPUT_VARCHAR_LENGTH)));
    ChoicesScalarFunctionImplementation functionImplementation = (ChoicesScalarFunctionImplementation) function.specialize(boundSignature, new FunctionDependencies(FUNCTION_MANAGER::getScalarFunctionInvoker, ImmutableMap.of(), ImmutableSet.of()));
    Slice slice = (Slice) functionImplementation.getChoices().get(0).getMethodHandle().invoke(INPUT_SLICE);
    assertEquals(slice, VARCHAR_TO_VARCHAR_RETURN_VALUE);
}

Example 3 with ChoicesScalarFunctionImplementation

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

the class TestPolymorphicScalarFunction method testSelectsMultipleChoiceWithBlockPosition.

@Test
public void testSelectsMultipleChoiceWithBlockPosition() throws Throwable {
    Signature signature = Signature.builder().operatorType(IS_DISTINCT_FROM).argumentTypes(DECIMAL_SIGNATURE, DECIMAL_SIGNATURE).returnType(BOOLEAN.getTypeSignature()).build();
    SqlScalarFunction function = new PolymorphicScalarFunctionBuilder(TestMethods.class).signature(signature).argumentNullability(true, true).deterministic(true).choice(choice -> choice.argumentProperties(NULL_FLAG, NULL_FLAG).implementation(methodsGroup -> methodsGroup.methods("shortShort", "longLong"))).choice(choice -> choice.argumentProperties(BLOCK_POSITION, BLOCK_POSITION).implementation(methodsGroup -> methodsGroup.methodWithExplicitJavaTypes("blockPositionLongLong", asList(Optional.of(Int128.class), Optional.of(Int128.class))).methodWithExplicitJavaTypes("blockPositionShortShort", asList(Optional.of(long.class), Optional.of(long.class))))).build();
    BoundSignature shortDecimalBoundSignature = new BoundSignature(signature.getName(), BOOLEAN, ImmutableList.of(SHORT_DECIMAL_BOUND_TYPE, SHORT_DECIMAL_BOUND_TYPE));
    ChoicesScalarFunctionImplementation functionImplementation = (ChoicesScalarFunctionImplementation) function.specialize(shortDecimalBoundSignature, new FunctionDependencies(FUNCTION_MANAGER::getScalarFunctionInvoker, ImmutableMap.of(), ImmutableSet.of()));
    assertEquals(functionImplementation.getChoices().size(), 2);
    assertEquals(functionImplementation.getChoices().get(0).getInvocationConvention(), new InvocationConvention(ImmutableList.of(NULL_FLAG, NULL_FLAG), FAIL_ON_NULL, false, false));
    assertEquals(functionImplementation.getChoices().get(1).getInvocationConvention(), new InvocationConvention(ImmutableList.of(BLOCK_POSITION, BLOCK_POSITION), FAIL_ON_NULL, false, false));
    Block block1 = new LongArrayBlock(0, Optional.empty(), new long[0]);
    Block block2 = new LongArrayBlock(0, Optional.empty(), new long[0]);
    assertFalse((boolean) functionImplementation.getChoices().get(1).getMethodHandle().invoke(block1, 0, block2, 0));
    BoundSignature longDecimalBoundSignature = new BoundSignature(signature.getName(), BOOLEAN, ImmutableList.of(LONG_DECIMAL_BOUND_TYPE, LONG_DECIMAL_BOUND_TYPE));
    functionImplementation = (ChoicesScalarFunctionImplementation) function.specialize(longDecimalBoundSignature, new FunctionDependencies(FUNCTION_MANAGER::getScalarFunctionInvoker, ImmutableMap.of(), ImmutableSet.of()));
    assertTrue((boolean) functionImplementation.getChoices().get(1).getMethodHandle().invoke(block1, 0, block2, 0));
}

Example 4 with ChoicesScalarFunctionImplementation

use of io.trino.operator.scalar.ChoicesScalarFunctionImplementation 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 5 with ChoicesScalarFunctionImplementation

use of io.trino.operator.scalar.ChoicesScalarFunctionImplementation 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());
}