Examples with ParametricScalarImplementationChoice com.facebook.presto.operator.scalar.annotations.ParametricScalarImplementation.ParametricScalarImplementationChoice used on opensource projects

Example 1 with ParametricScalarImplementationChoice

use of com.facebook.presto.operator.scalar.annotations.ParametricScalarImplementation.ParametricScalarImplementationChoice in project presto by prestodb.

the class TestAnnotationEngineForScalars method testPartiallyFixedTypeParameterParse.

@Test
public void testPartiallyFixedTypeParameterParse() {
    Signature expectedSignature = new Signature(QualifiedObjectName.valueOf(DEFAULT_NAMESPACE, "partially_fixed_type_parameter_scalar_function"), FunctionKind.SCALAR, ImmutableList.of(typeVariable("T1"), typeVariable("T2")), ImmutableList.of(), BIGINT.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature()), false);
    List<SqlScalarFunction> functions = ScalarFromAnnotationsParser.parseFunctionDefinition(PartiallyFixedTypeParameterScalarFunction.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);
    assertEquals(scalar.getSignature(), expectedSignature);
    assertTrue(scalar.isDeterministic());
    assertEquals(scalar.getVisibility(), PUBLIC);
    assertEquals(scalar.getDescription(), "Parametric scalar that uses TypeParameter with partially fixed type");
}

Example 2 with ParametricScalarImplementationChoice

use of com.facebook.presto.operator.scalar.annotations.ParametricScalarImplementation.ParametricScalarImplementationChoice in project presto by prestodb.

the class TestAnnotationEngineForScalars method testSimpleInjectionScalarParse.

@Test
public void testSimpleInjectionScalarParse() {
    Signature expectedSignature = new Signature(QualifiedObjectName.valueOf(DEFAULT_NAMESPACE, "parametric_scalar_inject"), FunctionKind.SCALAR, ImmutableList.of(), ImmutableList.of(), BIGINT.getTypeSignature(), ImmutableList.of(parseTypeSignature("varchar(x)", ImmutableSet.of("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);
    assertEquals(scalar.getSignature(), expectedSignature);
    assertTrue(scalar.isDeterministic());
    assertEquals(scalar.getVisibility(), PUBLIC);
    assertEquals(scalar.getDescription(), "Parametric scalar with literal injected");
}

Example 3 with ParametricScalarImplementationChoice

use of com.facebook.presto.operator.scalar.annotations.ParametricScalarImplementation.ParametricScalarImplementationChoice in project presto by prestodb.

the class TestAnnotationEngineForScalars method testConstructorInjectionScalarParse.

@Test
public void testConstructorInjectionScalarParse() {
    Signature expectedSignature = new Signature(QualifiedObjectName.valueOf(DEFAULT_NAMESPACE, "parametric_scalar_inject_constructor"), FunctionKind.SCALAR, ImmutableList.of(typeVariable("T")), ImmutableList.of(), BIGINT.getTypeSignature(), ImmutableList.of(parseTypeSignature("array(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);
    assertEquals(scalar.getSignature(), expectedSignature);
    assertTrue(scalar.isDeterministic());
    assertEquals(scalar.getVisibility(), PUBLIC);
    assertEquals(scalar.getDescription(), "Parametric scalar with type injected though constructor");
}