Examples with NotExpression com.facebook.presto.sql.tree.NotExpression used on opensource projects

Example 6 with NotExpression

use of com.facebook.presto.sql.tree.NotExpression in project presto by prestodb.

the class DomainTranslator method toPredicate.

private static Expression toPredicate(Domain domain, SymbolReference reference) {
    if (domain.getValues().isNone()) {
        return domain.isNullAllowed() ? new IsNullPredicate(reference) : FALSE_LITERAL;
    }
    if (domain.getValues().isAll()) {
        return domain.isNullAllowed() ? TRUE_LITERAL : new NotExpression(new IsNullPredicate(reference));
    }
    List<Expression> disjuncts = new ArrayList<>();
    disjuncts.addAll(domain.getValues().getValuesProcessor().transform(ranges -> extractDisjuncts(domain.getType(), ranges, reference), discreteValues -> extractDisjuncts(domain.getType(), discreteValues, reference), allOrNone -> {
        throw new IllegalStateException("Case should not be reachable");
    }));
    // Add nullability disjuncts
    if (domain.isNullAllowed()) {
        disjuncts.add(new IsNullPredicate(reference));
    }
    return combineDisjunctsWithDefault(disjuncts, TRUE_LITERAL);
}

Example 7 with NotExpression

use of com.facebook.presto.sql.tree.NotExpression in project presto by prestodb.

the class TestSqlParser method testPrecedenceAndAssociativity.

@Test
public void testPrecedenceAndAssociativity() throws Exception {
    assertExpression("1 AND 2 OR 3", new LogicalBinaryExpression(LogicalBinaryExpression.Type.OR, new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, new LongLiteral("1"), new LongLiteral("2")), new LongLiteral("3")));
    assertExpression("1 OR 2 AND 3", new LogicalBinaryExpression(LogicalBinaryExpression.Type.OR, new LongLiteral("1"), new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, new LongLiteral("2"), new LongLiteral("3"))));
    assertExpression("NOT 1 AND 2", new LogicalBinaryExpression(LogicalBinaryExpression.Type.AND, new NotExpression(new LongLiteral("1")), new LongLiteral("2")));
    assertExpression("NOT 1 OR 2", new LogicalBinaryExpression(LogicalBinaryExpression.Type.OR, new NotExpression(new LongLiteral("1")), new LongLiteral("2")));
    assertExpression("-1 + 2", new ArithmeticBinaryExpression(ArithmeticBinaryExpression.Type.ADD, negative(new LongLiteral("1")), new LongLiteral("2")));
    assertExpression("1 - 2 - 3", new ArithmeticBinaryExpression(ArithmeticBinaryExpression.Type.SUBTRACT, new ArithmeticBinaryExpression(ArithmeticBinaryExpression.Type.SUBTRACT, new LongLiteral("1"), new LongLiteral("2")), new LongLiteral("3")));
    assertExpression("1 / 2 / 3", new ArithmeticBinaryExpression(ArithmeticBinaryExpression.Type.DIVIDE, new ArithmeticBinaryExpression(ArithmeticBinaryExpression.Type.DIVIDE, new LongLiteral("1"), new LongLiteral("2")), new LongLiteral("3")));
    assertExpression("1 + 2 * 3", new ArithmeticBinaryExpression(ArithmeticBinaryExpression.Type.ADD, new LongLiteral("1"), new ArithmeticBinaryExpression(ArithmeticBinaryExpression.Type.MULTIPLY, new LongLiteral("2"), new LongLiteral("3"))));
}

Example 8 with NotExpression

use of com.facebook.presto.sql.tree.NotExpression in project presto by prestodb.

the class TestSqlParser method testExists.

@Test
public void testExists() {
    assertStatement("SELECT EXISTS(SELECT 1)", simpleQuery(selectList(exists(simpleQuery(selectList(new LongLiteral("1")))))));
    assertStatement("SELECT EXISTS(SELECT 1) = EXISTS(SELECT 2)", simpleQuery(selectList(new ComparisonExpression(ComparisonExpressionType.EQUAL, exists(simpleQuery(selectList(new LongLiteral("1")))), exists(simpleQuery(selectList(new LongLiteral("2"))))))));
    assertStatement("SELECT NOT EXISTS(SELECT 1) = EXISTS(SELECT 2)", simpleQuery(selectList(new NotExpression(new ComparisonExpression(ComparisonExpressionType.EQUAL, exists(simpleQuery(selectList(new LongLiteral("1")))), exists(simpleQuery(selectList(new LongLiteral("2")))))))));
    assertStatement("SELECT (NOT EXISTS(SELECT 1)) = EXISTS(SELECT 2)", simpleQuery(selectList(new ComparisonExpression(ComparisonExpressionType.EQUAL, new NotExpression(exists(simpleQuery(selectList(new LongLiteral("1"))))), exists(simpleQuery(selectList(new LongLiteral("2"))))))));
}