```
$ ~/arc/build/clickhouse/programs/clickhouse client
ClickHouse client version 21.2.1.1-arcadia.
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 21.2.1 revision 54447.

max42-dev.sas.yp-c.yandex.net :) create table t(a Tuple(UInt8, UInt8)) engine = Log()

CREATE TABLE t
(
    `a` Tuple(UInt8, UInt8)
)
ENGINE = Log

Query id: b49dbb5d-d2a9-4c99-b90e-00c60edf2103

Ok.

0 rows in set. Elapsed: 0.005 sec. 

max42-dev.sas.yp-c.yandex.net :) insert into t values ((NULL, 42))

INSERT INTO t VALUES

Query id: 318d6f3e-f3bc-467c-85ff-62da908230dd

Logical error: 'Unexpected literal type inside Array: Nothing. It's a bug'.
Aborted (core dumped)
```

This is CH similar to one from Arcadia r7788360 (~fresh master version from GH).

(you don't have to strictly follow this form)

#include <Columns/ColumnMap.h>
#include <Columns/ColumnCompressed.h>
#include <Columns/IColumnImpl.h>
#include <DataStreams/ColumnGathererStream.h>
#include <IO/WriteBufferFromString.h>
#include <IO/Operators.h>
#include <ext/map.h>
#include <ext/range.h>
#include <Common/typeid_cast.h>
#include <Common/assert_cast.h>
#include <Common/WeakHash.h>
#include <Core/Field.h>
namespace DB
{
namespace ErrorCodes
{
    extern const int ILLEGAL_COLUMN;
    extern const int NOT_IMPLEMENTED;
    extern const int LOGICAL_ERROR;
}
std::string ColumnMap::getName() const