Examples with FeaturesConfig com.facebook.presto.sql.analyzer.FeaturesConfig used on opensource projects

Example 21 with FeaturesConfig

use of com.facebook.presto.sql.analyzer.FeaturesConfig in project presto by prestodb.

the class TestExpressionOptimizer method testPossibleExponentialOptimizationTime.

@Test(timeOut = 10_000)
public void testPossibleExponentialOptimizationTime() {
    TypeRegistry typeManager = new TypeRegistry();
    ExpressionOptimizer optimizer = new ExpressionOptimizer(new FunctionRegistry(typeManager, new BlockEncodingManager(typeManager), new FeaturesConfig()), typeManager, TEST_SESSION);
    RowExpression expression = new ConstantExpression(1L, BIGINT);
    for (int i = 0; i < 100; i++) {
        Signature signature = internalOperator(OperatorType.ADD.name(), parseTypeSignature(StandardTypes.BIGINT), parseTypeSignature(StandardTypes.BIGINT), parseTypeSignature(StandardTypes.BIGINT));
        expression = new CallExpression(signature, BIGINT, ImmutableList.of(expression, new ConstantExpression(1L, BIGINT)));
    }
    optimizer.optimize(expression);
}

Example 22 with FeaturesConfig

use of com.facebook.presto.sql.analyzer.FeaturesConfig in project presto by prestodb.

the class TestExpressionOptimizer method testIfConstantOptimization.

@Test
public void testIfConstantOptimization() {
    TypeRegistry typeManager = new TypeRegistry();
    ExpressionOptimizer optimizer = new ExpressionOptimizer(new FunctionRegistry(typeManager, new BlockEncodingManager(typeManager), new FeaturesConfig()), typeManager, TEST_SESSION);
    assertEquals(optimizer.optimize(ifExpression(new ConstantExpression(true, BOOLEAN), 1L, 2L)), new ConstantExpression(1L, BIGINT));
    assertEquals(optimizer.optimize(ifExpression(new ConstantExpression(false, BOOLEAN), 1L, 2L)), new ConstantExpression(2L, BIGINT));
    assertEquals(optimizer.optimize(ifExpression(new ConstantExpression(null, BOOLEAN), 1L, 2L)), new ConstantExpression(2L, BIGINT));
    Signature bigintEquals = internalOperator(OperatorType.EQUAL.name(), BOOLEAN.getTypeSignature(), BIGINT.getTypeSignature(), BIGINT.getTypeSignature());
    RowExpression condition = new CallExpression(bigintEquals, BOOLEAN, ImmutableList.of(new ConstantExpression(3L, BIGINT), new ConstantExpression(3L, BIGINT)));
    assertEquals(optimizer.optimize(ifExpression(condition, 1L, 2L)), new ConstantExpression(1L, BIGINT));
}

Example 23 with FeaturesConfig

use of com.facebook.presto.sql.analyzer.FeaturesConfig in project presto by prestodb.

the class TestExpressionOptimizer method testTryOptimization.

@Test
public void testTryOptimization() {
    TypeRegistry typeManager = new TypeRegistry();
    ExpressionOptimizer optimizer = new ExpressionOptimizer(new FunctionRegistry(typeManager, new BlockEncodingManager(typeManager), new FeaturesConfig()), typeManager, TEST_SESSION);
    Signature signature = new Signature("TRY", SCALAR, BIGINT.getTypeSignature());
    RowExpression tryExpression = new CallExpression(signature, BIGINT, ImmutableList.of(new ConstantExpression(1L, BIGINT)));
    assertEquals(optimizer.optimize(tryExpression), new ConstantExpression(1L, BIGINT));
    tryExpression = new CallExpression(signature, BIGINT, ImmutableList.of(new InputReferenceExpression(1, BIGINT)));
    assertEquals(optimizer.optimize(tryExpression), new InputReferenceExpression(1, BIGINT));
}

Example 24 with FeaturesConfig

use of com.facebook.presto.sql.analyzer.FeaturesConfig in project presto by prestodb.

the class TestFunctionRegistry method testDuplicateFunctions.

@Test(expectedExceptions = IllegalArgumentException.class, expectedExceptionsMessageRegExp = "\\QFunction already registered: custom_add(bigint,bigint):bigint\\E")
public void testDuplicateFunctions() {
    List<SqlFunction> functions = new FunctionListBuilder().scalars(CustomFunctions.class).getFunctions().stream().filter(input -> input.getSignature().getName().equals("custom_add")).collect(toImmutableList());
    TypeRegistry typeManager = new TypeRegistry();
    FunctionRegistry registry = new FunctionRegistry(typeManager, new BlockEncodingManager(typeManager), new FeaturesConfig());
    registry.addFunctions(functions);
    registry.addFunctions(functions);
}

Example 25 with FeaturesConfig

use of com.facebook.presto.sql.analyzer.FeaturesConfig in project presto by prestodb.

the class TestFunctionRegistry method testListingHiddenFunctions.

@Test
public void testListingHiddenFunctions() throws Exception {
    TypeRegistry typeManager = new TypeRegistry();
    FunctionRegistry registry = new FunctionRegistry(typeManager, new BlockEncodingManager(typeManager), new FeaturesConfig());
    List<SqlFunction> functions = registry.list();
    List<String> names = transform(functions, input -> input.getSignature().getName());
    assertTrue(names.contains("length"), "Expected function names " + names + " to contain 'length'");
    assertTrue(names.contains("stddev"), "Expected function names " + names + " to contain 'stddev'");
    assertTrue(names.contains("rank"), "Expected function names " + names + " to contain 'rank'");
    assertFalse(names.contains("like"), "Expected function names " + names + " not to contain 'like'");
}