codeigniter 高级 mysql 求和查询
codeigniter advanced mysql sum query
我有一个 mysql table 具有以下数据,
Table name: test
purchaseno spent totbdj
1 100 500
1 100 500
2 200 1000
2 300 1000
请帮助 codeigniter mysql 查询以实现以下输出
purchaseno spent totbdj
1 200 500
2 500 1000
只需使用 SUM
函数和 GROUP BY
子句:
SELECT purchaseno,
SUM(spent) AS spent,
totbdj
FROM test
GROUP BY purchaseno, totbdj
我有一个 mysql table 具有以下数据,
Table name: test
purchaseno spent totbdj
1 100 500
1 100 500
2 200 1000
2 300 1000
请帮助 codeigniter mysql 查询以实现以下输出
purchaseno spent totbdj
1 200 500
2 500 1000
只需使用 SUM
函数和 GROUP BY
子句:
SELECT purchaseno,
SUM(spent) AS spent,
totbdj
FROM test
GROUP BY purchaseno, totbdj