```
$ ~/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)

if (!parsed)
        throw Exception("Cannot parse expression of type " + type.getName() + " here: "
                        + String(buf.position(), std::min(SHOW_CHARS_ON_SYNTAX_ERROR, buf.buffer().end() - buf.position())),
                        ErrorCodes::SYNTAX_ERROR);
    ++token_iterator;
    if (parser_type_for_column[column_idx] != ParserType::Streaming && dynamic_cast<const ASTLiteral *>(ast.get()))
    {
        
        
        
        bool rollback_on_exception = false;
        bool ok = false;
        try
        {
            header.getByPosition(column_idx).type->deserializeAsTextQuoted(column, buf, format_settings);
            rollback_on_exception = true;
            skipWhitespaceIfAny(buf);
            if (checkDelimiterAfterValue(column_idx))
                ok = true;
        }
        catch (const Exception & e)
        {
            bool decimal_overflow = e.code() == ErrorCodes::ARGUMENT_OUT_OF_BOUND;
            if (!isParseError(e.code()) || decimal_overflow)
                throw;
        }
        if (ok)
        {
            parser_type_for_column[column_idx] = ParserType::Streaming;
            return true;