ndb - rel5.1.16 NdbRecAttr print of blob length assumed uint64 aligned buffer

    }

    break;

    case NdbDictionary::Column::Blob:

    {

      const NdbBlob::Head* h = (const NdbBlob::Head*)r.aRef();

      out << h->length << ":";

      const unsigned char* p = (const unsigned char*)(h + 1);

      unsigned n = r.get_size_in_bytes() - sizeof(*h);

      for (unsigned k = 0; k < n && k < h->length; k++)

	out.print("%02X", (int)p[k]);

      j = length;

    }

    break;

    case NdbDictionary::Column::Text:

    {

      const NdbBlob::Head* h = (const NdbBlob::Head*)r.aRef();

      out << h->length << ":";

      const unsigned char* p = (const unsigned char*)(h + 1);

      unsigned n = r.get_size_in_bytes() - sizeof(*h);

      for (unsigned k = 0; k < n && k < h->length; k++)

      // user defined aRef() may not be aligned to Uint64

      NdbBlob::Head head;

      memcpy(&head, r.aRef(), sizeof(head));

      out << head.length << ":";

      const unsigned char* p = (const unsigned char*)r.aRef() + sizeof(head);

      if (r.get_size_in_bytes() < sizeof(head))

        out << "***error***"; // really cannot happen

      else {

        unsigned n = r.get_size_in_bytes() - sizeof(head);

        for (unsigned k = 0; k < n && k < head.length; k++) {

          if (r.getType() == NdbDictionary::Column::Blob)

            out.print("%02X", (int)p[k]);

          else

            out.print("%c", (int)p[k]);

        }

      }

      j = length;

    }

    break;