Treat every line of input as a single String field.
Similar to `JSONAsString`.
{
    IRowInputFormat::resetParser();
    buf.reset();
}
void LineAsStringRowInputFormat::readLineObject(IColumn & column)
{
    PeekableReadBufferCheckpoint checkpoint{buf};
    bool newline = true;
    bool over = false;
    char * pos;
    while (newline)
    {
        pos = find_first_symbols<'\n', '\\'>(buf.position(), buf.buffer().end());
        buf.position() = pos;
        if (buf.position() == buf.buffer().end())  {
            over = true;
            break;
        }
        else if (*buf.position() == '\n')
        {
            newline = false;
        }
        else if (*buf.position() == '\\')
            {
            ++buf.position();
            if (!buf.eof())
            {