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Home > Backend Development > PHP Tutorial > UNION 查询 语句经常弄出裹脚布.解决方案

UNION 查询 语句经常弄出裹脚布.解决方案

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Release： 2016-06-13 10:20:26
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UNION 查询 语句经常弄出裹脚布...
两个表union 再合计,字段多一点.
格式化一下SQL语句 行数87...
我擦~ 好在是用代码生成的.

不过觉得SQL蛮有意思.

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要让对应的列属性一致，当然是程序生成的好些
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貌似见过1500+行的SQL 表示压力好大
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复杂点的统计，写出来。过几天都不认他了
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如果想封装，可以用php函数封装一层，来操作数据库。有没有必要就不知道了
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怎么会那么多字段啊？
------解决方案--------------------
.....搞那么多字段....

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