https://clickhouse-test-reports.s3.yandex.net/8367/333ec2e496f4fe4addd22d5fa7c5c2a499099c57/fuzzer/fuzzer.log#fail1
{
    switch (quoting_style)
    {
        case IdentifierQuotingStyle::None:
            writeString(s, out);
            break;
        case IdentifierQuotingStyle::Backticks:
            writeBackQuotedString(s, out);
            break;
        case IdentifierQuotingStyle::DoubleQuotes:
            writeDoubleQuotedString(s, out);
            break;
        case IdentifierQuotingStyle::BackticksMySQL:
            writeBackQuotedStringMySQL(s, out);
            break;
    }
}
std::string ExternalQueryBuilder::composeLoadAllQuery() const
{
    WriteBufferFromOwnString out;
    composeLoadAllQuery(out);
    writeChar(';', out);
    return out.str();
}
void ExternalQueryBuilder::composeLoadAllQuery(WriteBuffer & out) const