sql.append(" WHERE ").append(THING_CODE).append(" = '").append(thingCode).append("' ").append("AND ").append(ATTR_KEY).append(" = '").append(attrKey).append("' ").append("AND ").append(TS).append(" >= ").append(stTs).append(" AND ").append(TS).append(" <= ").append(enTs).append(" GROUP BY ").append(THING_CODE).append(", ").append(ATTR_KEY).append(", ").append(" time ORDER BY time DESC;");
sql.append(" WHERE ").append(THING_CODE).append(" = '").append(thingCode).append("' ").append("AND ").append(ATTR_KEY).append(" = '").append(attrKey).append("' ").append("AND ").append(TS).append(" >= ").append(stTs).append(" AND ").append(TS).append(" < ").append(enTs).append(" GROUP BY ").append(THING_CODE).append(", ").append(ATTR_KEY).append(", ").append(" time ORDER BY time DESC;");