```
$ ~/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)

ParserArrayOfLiterals parser_array;
        ParserTupleOfLiterals parser_tuple;
        ParserMapOfLiterals parser_map;
        Tokens tokens_number(istr.position(), istr.buffer().end());
        IParser::Pos iterator(tokens_number, settings.max_parser_depth);
        Expected expected;
        ASTPtr ast;
        if (!parser_array.parse(iterator, ast, expected) && !parser_tuple.parse(iterator, ast, expected)
            && !parser_map.parse(iterator, ast, expected))
            return false;
        istr.position() = const_cast<char *>(iterator->begin);
        const Field & collection = ast->as<ASTLiteral &>().value;
        auto collection_type = applyVisitor(FieldToDataType(), collection);
        DataTypes nested_types;
        if (type_info.is_array)
            nested_types = { assert_cast<const DataTypeArray &>(*collection_type).getNestedType() };
        else if (type_info.is_tuple)
            nested_types = assert_cast<const DataTypeTuple &>(*collection_type).getElements();
        else
            nested_types = assert_cast<const DataTypeMap &>(*collection_type).getKeyValueTypes();
        for (size_t i = 0; i < nested_types.size(); ++i)
        {
            const auto & [nested_field_type, is_nullable] = type_info.nested_types[i];
            if (is_nullable)
                if (const auto * nullable = dynamic_cast<const DataTypeNullable *>(nested_types[i].get()))
                    nested_types[i] = nullable->getNestedType();
            WhichDataType nested_type_info(nested_types[i]);
            bool are_types_compatible =
                (nested_type_info.isNativeUInt() && nested_field_type == Type::UInt64) ||