小编sve*_*lav的帖子

ClickHouse 有没有办法用时间戳值执行 GROUP BY DAY/MONTH/YEAR() ？在将 MySQL 查询重写为 ClickHouse 时，很难弄清楚这一点。我的 MySQL 查询看起来像这样......

SELECT COUNT(this), COUNT(that) FROM table WHERE something = x AND stamp BETWEEN startdate AND enddate

SELECT COUNT(this), COUNT(that) FROM table WHERE something = x AND stamp BETWEEN startdate AND enddate GROUP BY DAY(stamp)

SELECT COUNT(this), COUNT(that) FROM table WHERE something = x AND stamp BETWEEN startdate AND enddate GROUP BY MONTH(stamp)

SELECT COUNT(this), COUNT(that) FROM table WHERE something = x AND stamp BETWEEN startdate AND enddate GROUP BY …