docs: def __do_query_into_hash(conn, sql_str):
      '''
      Perform the query that is passed to it (sql_str).
  
      Returns:
         results in a dict.
  
      '''
      mod = sys._getframe().f_code.co_name
      log.debug('%s<--(%s)', mod, sql_str)
  
      rtn_results = []
  
      try:
          cursor = conn.cursor()
      except MySQLdb.MySQLError:
          log.error('%s: Can\'t get cursor for SQL->%s', mod, sql_str)
          cursor.close()
          log.debug('%s-->', mod)
          return rtn_results
  
      try:
          _execute(cursor, sql_str)
      except MySQLdb.MySQLError:
          log.error('%s: try to execute : SQL->%s', mod, sql_str)
          cursor.close()
          log.debug('%s-->', mod)
          return rtn_results
  
      qrs = cursor.fetchall()
  
      for row_data in qrs:
          col_cnt = 0
          row = {}
          for col_data in cursor.description:
              col_name = col_data[0]
              row[col_name] = row_data[col_cnt]
              col_cnt += 1
  
          rtn_results.append(row)
  
      cursor.close()
      log.debug('%s-->', mod)
      return rtn_results