Пример #1
0
void trans_name2id(ObCellInfo &ci, const ObSchema &schema)
{
  ci.table_id_ = schema.get_table_id();
  if (NULL == ci.column_name_.ptr())
  {
    ci.column_id_ = OB_INVALID_ID;
  }
  else
  {
    ci.column_id_ = schema.find_column_info(ci.column_name_)->get_id();
  }
}
Пример #2
0
int64_t MutatorBuilder::query_prefix_meta_(const ObSchema &schema, const bool using_id, const int64_t prefix_start, const char *column_name)
{
  int64_t ret = 0;

  ObGetParam get_param;
  ObScanner scanner;
  ObCellInfo cell_info;
  if (using_id)
  {
    cell_info.table_id_ = schema.get_table_id();
    cell_info.column_id_ = schema.find_column_info(column_name)->get_id();
  }
  else
  {
    cell_info.table_name_.assign_ptr(const_cast<char*>(schema.get_table_name()), static_cast<int32_t>(strlen(schema.get_table_name())));
    cell_info.column_name_.assign_ptr(const_cast<char*>(column_name), static_cast<int32_t>(strlen(column_name)));
  }
  char rowkey_info_buffer[1024];
  sprintf(rowkey_info_buffer, "%s%020ld", ROWKEY_INFO_ROWKEY, prefix_start);
  cell_info.row_key_.assign_ptr(rowkey_info_buffer, static_cast<int32_t>(strlen(rowkey_info_buffer)));
  get_param.add_cell(cell_info);
  ObVersionRange version_range;
  version_range.start_version_ = table_start_version_;
  version_range.border_flag_.set_max_value();
  version_range.border_flag_.set_inclusive_start();
  get_param.set_version_range(version_range);

  if (OB_SUCCESS == (ret = client_.get(get_param, scanner)))
  {
    CellinfoBuilder::result_set_t result_set;
    ::MemTank mem_tank;
    while (OB_SUCCESS == scanner.next_cell())
    {
      ObCellInfo *ci = NULL;
      if (OB_SUCCESS != scanner.get_cell(&ci))
      {
        break;
      }
      if (!using_id)
      {
        ::trans_name2id(*ci, schema);
      }
      ObCellInfo *new_ci = copy_cell(mem_tank, ci);
      CellinfoBuilder::merge_obj(new_ci, result_set);
    }
    if (0 != result_set.size())
    {
      ObCellInfo *ret_ci = NULL;
      result_set.get(schema.find_column_info(column_name)->get_id(), ret_ci);
      if (NULL != ret_ci)
      {
        ret_ci->value_.get_int(ret);
      }
    }
  }
  else
  {
    abort();
  }

  return ret;
}