Examples with RowExpression com.facebook.presto.sql.relational.RowExpression used on opensource projects

Example 21 with RowExpression

use of com.facebook.presto.sql.relational.RowExpression 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 RowExpression

use of com.facebook.presto.sql.relational.RowExpression 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 RowExpression

use of com.facebook.presto.sql.relational.RowExpression 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 RowExpression

use of com.facebook.presto.sql.relational.RowExpression in project presto by prestodb.

the class TestInCodeGenerator method testInteger.

@Test
public void testInteger() {
    List<RowExpression> values = new ArrayList<>();
    values.add(new ConstantExpression(Integer.MIN_VALUE, INTEGER));
    values.add(new ConstantExpression(Integer.MAX_VALUE, INTEGER));
    values.add(new ConstantExpression(3, INTEGER));
    assertEquals(checkSwitchGenerationCase(INTEGER, values), DIRECT_SWITCH);
    values.add(new ConstantExpression(null, INTEGER));
    assertEquals(checkSwitchGenerationCase(INTEGER, values), DIRECT_SWITCH);
    values.add(new CallExpression(new Signature(CAST, SCALAR, INTEGER.getTypeSignature(), DOUBLE.getTypeSignature()), INTEGER, Collections.singletonList(new ConstantExpression(12345678901234.0, DOUBLE))));
    assertEquals(checkSwitchGenerationCase(INTEGER, values), DIRECT_SWITCH);
    for (int i = 6; i <= 32; ++i) {
        values.add(new ConstantExpression(i, INTEGER));
    }
    assertEquals(checkSwitchGenerationCase(INTEGER, values), DIRECT_SWITCH);
    values.add(new ConstantExpression(33, INTEGER));
    assertEquals(checkSwitchGenerationCase(INTEGER, values), SET_CONTAINS);
}

Example 25 with RowExpression

use of com.facebook.presto.sql.relational.RowExpression in project presto by prestodb.

the class TestInCodeGenerator method testDate.

@Test
public void testDate() {
    List<RowExpression> values = new ArrayList<>();
    values.add(new ConstantExpression(1L, DATE));
    values.add(new ConstantExpression(2L, DATE));
    values.add(new ConstantExpression(3L, DATE));
    assertEquals(checkSwitchGenerationCase(DATE, values), DIRECT_SWITCH);
    for (long i = 4; i <= 32; ++i) {
        values.add(new ConstantExpression(i, DATE));
    }
    assertEquals(checkSwitchGenerationCase(DATE, values), DIRECT_SWITCH);
    values.add(new ConstantExpression(33L, DATE));
    assertEquals(checkSwitchGenerationCase(DATE, values), SET_CONTAINS);
}