更新时间:2023-01-29 21:14:38
SELECT TO_CHAR(dateTime, 'DD') DAY, TO_CHAR(dateTime, 'MM') MONTH, errormessage
FROM log
WHERE (...)
GROUP BY TO_CHAR(dateTime, 'DD'), TO_CHAR(dateTime, 'MM'), errormessage
列别名对GROUP BY
不利,您需要完整的表达式.
Column aliases are no good for GROUP BY
, you need the full expression.