         ELSE
          CALL LOG_TABLES(LOG_ID, LEV_ID, NEW_MESSAGE);
         END IF;
-       WHEN 0 THEN -- Drops the message.
+       WHEN 0 THEN -- LOG_NULL: Drops the message.
         CALL LOG_NULL(LOG_ID, LEV_ID, NEW_MESSAGE, CONFIGURATION);
        ELSE -- Execute any other appender.
         DYNAMIC : BEGIN


     -- Checks the values
     CASE APPENDER_ID
       WHEN 1 THEN -- Pure SQL PL, writes in table.
        -- Internal logging.
        --IF (INTERNAL = TRUE) THEN
        -- INSERT INTO LOGDATA.LOGS (LEVEL_ID, LOGGER_ID, MESSAGE) VALUES

  END IF;

  -- Retrieves the current level in the configuration for the given logger.
  SET LOGGER_DATA = GET_LOGGER_DATA(LOG_ID);
  SET CURRENT_LEVEL_ID = LOGGER_DATA.LEVEL_ID;
  SET HIERARCHY = LOGGER_DATA.HIERARCHY;

