Examples with TypeSignature io.trino.spi.type.TypeSignature used on opensource projects

Example 16 with TypeSignature

use of io.trino.spi.type.TypeSignature in project trino by trinodb.

the class TestAnnotationEngineForAggregates method testSimpleImplicitSpecializedAggregationParse.

// TODO this is not yet supported
@Test(enabled = false)
public void testSimpleImplicitSpecializedAggregationParse() {
    Signature expectedSignature = new Signature("implicit_specialized_aggregate", ImmutableList.of(typeVariable("T")), ImmutableList.of(), new TypeSignature("T"), ImmutableList.of(new TypeSignature(ARRAY, TypeSignatureParameter.typeParameter(new TypeSignature("T"))), new TypeSignature("T")), false);
    ParametricAggregation aggregation = getOnlyElement(parseFunctionDefinitions(ImplicitSpecializedAggregationFunction.class));
    assertEquals(aggregation.getFunctionMetadata().getDescription(), "Simple implicit specialized aggregate");
    assertTrue(aggregation.getFunctionMetadata().isDeterministic());
    assertEquals(aggregation.getFunctionMetadata().getSignature(), expectedSignature);
    ParametricImplementationsGroup<AggregationImplementation> implementations = aggregation.getImplementations();
    assertImplementationCount(implementations, 0, 0, 2);
    AggregationImplementation implementation1 = implementations.getSpecializedImplementations().get(0);
    assertTrue(implementation1.hasSpecializedTypeParameters());
    assertFalse(implementation1.hasSpecializedTypeParameters());
    assertEquals(implementation1.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL, INPUT_CHANNEL));
    AggregationImplementation implementation2 = implementations.getSpecializedImplementations().get(1);
    assertTrue(implementation2.hasSpecializedTypeParameters());
    assertFalse(implementation2.hasSpecializedTypeParameters());
    assertEquals(implementation2.getInputParameterKinds(), ImmutableList.of(STATE, INPUT_CHANNEL, INPUT_CHANNEL));
    BoundSignature boundSignature = new BoundSignature(aggregation.getFunctionMetadata().getSignature().getName(), DoubleType.DOUBLE, ImmutableList.of(new ArrayType(DoubleType.DOUBLE)));
    AggregationFunctionMetadata aggregationMetadata = aggregation.getAggregationMetadata();
    assertFalse(aggregationMetadata.isOrderSensitive());
    assertFalse(aggregationMetadata.getIntermediateTypes().isEmpty());
    aggregation.specialize(boundSignature, NO_FUNCTION_DEPENDENCIES);
}

Example 17 with TypeSignature

use of io.trino.spi.type.TypeSignature 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 18 with TypeSignature

use of io.trino.spi.type.TypeSignature 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 19 with TypeSignature

use of io.trino.spi.type.TypeSignature 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 20 with TypeSignature

use of io.trino.spi.type.TypeSignature in project trino by trinodb.

the class TestSignatureBinder method testBindUnparametrizedVarchar.

@Test
public void testBindUnparametrizedVarchar() {
    Signature function = functionSignature().returnType(BOOLEAN.getTypeSignature()).argumentTypes(new TypeSignature("varchar", TypeSignatureParameter.typeVariable("x"))).build();
    assertThat(function).boundTo(VARCHAR).produces(new BoundVariables().setLongVariable("x", (long) Integer.MAX_VALUE));
}