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mysql 按时间段统计（年，季度，月，天，时）

来源：发布时间：2021-12-30 667 人已围观

摘要选择季度数据、某月数据是常见的操作，如何方便的取出数据。按年、季度、月等指定时间段取数据

时间戳检索数据按年、季度、月等：

按年汇总，统计：

select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y');

按月汇总，统计：

select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y-%m');

按季度汇总，统计：

select sum(mymoney) as totalmoney,count(*) as sheets from mytable group by concat(date_format(col, '%Y'),FLOOR((date_format(col, '%m')+2)/3));

按小时：

select sum(mymoney) as totalmoney,count(*) as sheets from mytable group by date_format(col, '%Y-%m-%d %H ');

查询本年度的数据:

SELECT * FROM mytable WHERE year(FROM_UNIXTIME(my_time)) = year(curdate())

查询数据附带季度数:

SELECT id, quarter(FROM_UNIXTIME(my_time)) FROM mytable;

查询本季度的数据:

SELECT * FROM mytable WHERE quarter(FROM_UNIXTIME(my_time)) = quarter(curdate());

本月统计:

select * from mytable where month(my_time1) = month(curdate()) and year(my_time2) = year(curdate())

本周统计:

select * from mytable where month(my_time1) = month(curdate()) and week(my_time2) = week(curdate())

N天内记录:

WHERE TO_DAYS(NOW())-TO_DAYS(时间字段)<=N