Function readLengthEncodedNumber

src/Core/MySQL/IMySQLReadPacket.cpp:48–76

}

uint64_t readLengthEncodedNumber(ReadBuffer & buffer, UInt16 & bytes_read)
{
    char c{};
    uint64_t buf = 0;
    buffer.readStrict(c);
    bytes_read = 1;
    auto cc = static_cast<uint8_t>(c);
    switch (cc)
    {
        /// NULL
        case 0xfb:
            break;
        case 0xfc:
            buffer.readStrict(reinterpret_cast<char *>(&buf), 2);
            bytes_read += 2;
            break;
        case 0xfd:
            buffer.readStrict(reinterpret_cast<char *>(&buf), 3);
            bytes_read += 3;
            break;
        case 0xfe:
            buffer.readStrict(reinterpret_cast<char *>(&buf), 8);
            bytes_read += 8;
            break;
        default:
            return cc;
    }
    return buf;
}

uint64_t readLengthEncodedNumber(ReadBuffer & buffer)
{