Examples with ParametricScalar com.facebook.presto.operator.scalar.ParametricScalar used on opensource projects

Example 16 with ParametricScalar

use of com.facebook.presto.operator.scalar.ParametricScalar in project presto by prestodb.

the class TestAnnotationEngineForScalars method testFixedTypeParameterParse.

@Test
public void testFixedTypeParameterParse() {
    Signature expectedSignature = new Signature(QualifiedObjectName.valueOf(DEFAULT_NAMESPACE, "fixed_type_parameter_scalar_function"), FunctionKind.SCALAR, 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);
    assertEquals(scalar.getSignature(), expectedSignature);
    assertTrue(scalar.isDeterministic());
    assertEquals(scalar.getVisibility(), PUBLIC);
    assertEquals(scalar.getDescription(), "Parametric scalar that uses TypeParameter with fixed type");
}