21.5.1
```sql

create table test(d Date, k Int64, s String) 
Engine=MergeTree partition by (toYYYYMM(d),k) order by (d, k)

insert into test values ('2020-01-01', 1, '');
insert into test values ('2020-01-02', 1, '');

SELECT * FROM test WHERE d != '2020-01-01'
0 rows in set. Elapsed: 0.003 sec.


SELECT * FROM test WHERE identity(d) !=  '2020-01-01';
┌──────────d─┬─k─┬─s─┐
│ 2020-01-02 │ 1 │   │
└────────────┴───┴───┘

SELECT * FROM test WHERE toDate(d) != '2020-01-01';
┌──────────d─┬─k─┬─s─┐
│ 2020-01-02 │ 1 │   │
└────────────┴───┴───┘
```

{
                    rpn_stack.emplace_back(true, true);
                    continue;
                }
                transformed_range = *new_range;
                key_range = &transformed_range;
            }
            bool intersects = element.range.intersectsRange(*key_range);
            bool contains = element.range.containsRange(*key_range);
            rpn_stack.emplace_back(intersects, !contains);
            if (element.function == RPNElement::FUNCTION_NOT_IN_RANGE)
                rpn_stack.back() = !rpn_stack.back();
        }
        else if (
            element.function == RPNElement::FUNCTION_IN_SET
            || element.function == RPNElement::FUNCTION_NOT_IN_SET)
        {
            if (!element.set_index)
                throw Exception("Set for IN is not created yet", ErrorCodes::LOGICAL_ERROR);
            rpn_stack.emplace_back(element.set_index->checkInRange(hyperrectangle, data_types));
            if (element.function == RPNElement::FUNCTION_NOT_IN_SET)
                rpn_stack.back() = !rpn_stack.back();
        }
        else if (element.function == RPNElement::FUNCTION_NOT)
        {
            assert(!rpn_stack.empty());
            rpn_stack.back() = !rpn_stack.back();
        }
        else if (element.function == RPNElement::FUNCTION_AND)
        {