php - 请教一条sql语句的写法?
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给我你的怀抱 2017-05-16 13:00:01
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现有两个表格,表格1 ->T1:
id name time type
1 A hh 1
2 B kk 1
3 c vv 2
表格2-> T2:
id pid every
1 1 20
2 1 10
3 1 5
4 2 15
5 2 10
6 3 25
7 3 35
其中表格2的pid关联表格1的id,当type=1时,希望得到如下两条数据:
1 A hh 20+10+5(35)
2 B kk 15+10 (25)
求教sql语句该怎么写啊,谢谢!PS:用的是thinkPHP框架

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给我你的怀抱

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select t1.id, t1.name, t1.time, sum(t2.every) from t1 inner join t2 on t1.id=t2.pid group by t1.id, t1.name, t1.time
    洪涛
    SELECT T1.id,T1.name,T1.time,SUM(T2.every) FROM T1 INNER JOIN T2 ON T1.id = T2.pid GROUP BY T1.id;
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