SELECT CONCAT(DATE_FORMAT(receive_time,'%Y-%m-%d'),' ',
DATE_FORMAT(receive_time,'%H:00'),' ',
DATE_FORMAT(receive_time,'%H:59')) as time,
avg(result) as average
FROM 表名 GROUP BY DATE_FORMAT(receive_time,'%Y%m%d%H');
DATE_FORMAT(receive_time,'%H:00'),' ',
DATE_FORMAT(receive_time,'%H:59')) as time,
avg(result) as average
FROM 表名 GROUP BY DATE_FORMAT(receive_time,'%Y%m%d%H');
解决方案 »
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