zoukankan      html  css  js  c++  java
  • mysql 获取昨天数据 utc时间

    # yzj邀请昨日数据
    SELECT s.id, s.create_at, ch.id, ch.code AS channel, c.id
    	, c.code AS custom, so.id, so.code AS source
    FROM invite_ship s
    	LEFT JOIN invite_channel ch ON ch.id = s.invite_channel_id
    	LEFT JOIN invite_code_custom c ON c.id = s.code_custom_id
    	LEFT JOIN invite_source so ON s.invite_source_id = so.id
    WHERE s.invite_source_id != 0
    	AND s.create_at > date_sub(date_sub(curdate(), INTERVAL 1 DAY), INTERVAL 8 HOUR)
    	AND s.create_at < date_sub(curdate(), INTERVAL 8 HOUR)
    ORDER BY s.id DESC
    

      此处 s.create_at是时间字段, 如果你库里存的是utc时间 用这条sql逻辑准没错

    此sql是获取聚合后的集合 

    SELECT t.user_id, GROUP_CONCAT(t.amount ORDER BY t.amount DESC)
    FROM (SELECT ord.user_id, ord.amount, ord.create_at
    	FROM order_order ord
    	WHERE ord.user_id > 0
    		AND create_at > 0
    	ORDER BY user_id ASC, create_at DESC
    	) t
    GROUP BY user_id;
    

      

    此sql是集合根据逗号分隔取第一个

    SELECT t.user_id, substring_index(GROUP_CONCAT(t.amount ORDER BY t.amount DESC), ',', 1)
    FROM (SELECT ord.user_id, ord.amount, ord.create_at
    	FROM order_order ord
    	WHERE ord.user_id > 0
    		AND create_at > 0
    	ORDER BY user_id ASC, create_at DESC
    	) t
    GROUP BY user_id;
    

      

  • 相关阅读:
    8皇后问题
    求1到n,n个整数的全排列
    求最小周期串
    如何用java完成一个中文词频统计程序
    蛇形矩阵
    第一个算法程序
    java 继承练习题8
    java 继承练习题7
    java 继承练习题6
    java 继承练习题5
  • 原文地址:https://www.cnblogs.com/shenwenlong/p/7375056.html
Copyright © 2011-2022 走看看