docs: def _collapse_column(current, pc):
      """
      Collapse the column data and
      :param current:
      :param pc:
      :return:
      """
      _tmp_column = {}
      try:
          for k, v in current.items():
              try:
                  # We do not want to store these table keys at the column level.
                  if not any(i in k for i in ["tableName", "google", "filename", "md5", "MD5"]):
                      # ['paleoData', 'key']
                      m = k.split('_')
                      # Is this a chronData or paleoData key?
                      if pc in m[0] and len(m) >= 2:
                          # Create a link to the growing column data
                          tmp = _tmp_column
                          # Loop for each key, not including the PC. Start at index 1
                          for idx, b in enumerate(m[1:]):
                              # Are we at the last item in the list?
                              if idx == len(m) - 2:
                                  # Set the value into the column data
                                  tmp[b] = v
                              # All loops before the last item
                              else:
                                  # Key already exists in the column
                                  if b in _tmp_column:
                                      # Move into the data structure and keep going
                                      tmp = _tmp_column[b]
                                  # Key does not exist yet
                                  else:
                                      # Create the data structure
                                      tmp[b] = {}
                                      # Move into the new data structure and keep going
                                      tmp = tmp[b]
              except Exception as e:
                  logger_ts.error("collapse_column: loop: {}".format(e))
      except Exception as e:
          logger_ts.error("collapse_column: {}".format(e))
  
      return _tmp_column