del

删除单条数据

  1.     ///
  2.     /// \brief del
  3.     ///     del stored k-v by key from cluster
  4.     ///     key is composed of hashkey and sortkey. must provide both to get the value.
  5.     /// \param hashkey
  6.     /// used to decide from which partition to del this k-v
  7.     /// \param sortkey
  8.     /// all the k-v under hashkey will be sorted by sortkey.
  9.     /// \param timeout_milliseconds
  10.     /// if wait longer than this value, will return time out error
  11.     /// \return
  12.     /// int, the error indicates whether or not the operation is succeeded.
  13.     /// this error can be converted to a string using get_error_string()
  14.     ///
  15.     virtual int del(const std::string &hashkey,
  16.                     const std::string &sortkey,
  17.                     int timeout_milliseconds = 5000,
  18.                     internal_info *info = NULL) = 0;