标签:mysql sum 表中 phone 字段 cost time arrive SELECT
( SELECT sum( a.cost_sum ) AS sum_cost, sum( a.phone_sum ) AS sum_phone, sum( a.arrive_sum ) AS sum_arrive, FORMAT( sum( a.cost_sum ) / sum( a.arrive_sum ), 0 ) AS arrive_cb, a.time AS time FROM ( SELECT FROM_UNIXTIME( time, "%Y-%m-%d" ) AS time, sum( cost ) AS cost_sum, sum( arrive_true ) AS arrive_sum, sum( phone ) AS phone_sum FROM `cmf_test_jj_data` GROUP BY `time` UNION ( SELECT FROM_UNIXTIME( time, "%Y-%m-%d" ) AS time, 0 AS cost_sum, sum( arrive_num ) AS arrive_sum, 0 AS phone_sum FROM cmf_test_jj_arrive_new GROUP BY time ) ) a WHERE ( `a`.`time` >= 0 AND `a`.`time` <= 1551801600 ) GROUP BY a.time ORDER BY a.time DESC )
大的方面 为 select ... from (查询表) a where ... group by .... order by .....
查询表 为 将两个表union , union时, 两张表查询出来的字段名 必须是一致的, 没有的字段, 可以用 “ 0 as column ” 来补充。
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标签:mysql,sum,表中,phone,字段,cost,time,arrive,SELECT 来源: https://www.cnblogs.com/Skate0rDie/p/10487336.html
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