Examples with SqlFunction com.facebook.presto.spi.function.SqlFunction used on opensource projects

Example 11 with SqlFunction

use of com.facebook.presto.spi.function.SqlFunction in project presto by prestodb.

the class TestFunctionAndTypeManager method testExactMatchBeforeCoercion.

@Test
public void testExactMatchBeforeCoercion() {
    FunctionAndTypeManager functionAndTypeManager = createTestFunctionAndTypeManager();
    boolean foundOperator = false;
    for (SqlFunction function : functionAndTypeManager.listOperators()) {
        OperatorType operatorType = tryGetOperatorType(function.getSignature().getName()).get();
        if (operatorType == CAST || operatorType == SATURATED_FLOOR_CAST) {
            continue;
        }
        if (!function.getSignature().getTypeVariableConstraints().isEmpty()) {
            continue;
        }
        if (function.getSignature().getArgumentTypes().stream().anyMatch(TypeSignature::isCalculated)) {
            continue;
        }
        BuiltInFunctionHandle exactOperator = (BuiltInFunctionHandle) functionAndTypeManager.resolveOperator(operatorType, fromTypeSignatures(function.getSignature().getArgumentTypes()));
        assertEquals(exactOperator.getSignature(), function.getSignature());
        foundOperator = true;
    }
    assertTrue(foundOperator);
}