where 1=1 是为了避免where关键字后面的第一个词直接就是 “and”而导致语法错误
https://blog.youkuaiyun.com/le945926/article/details/80339890
https://blog.youkuaiyun.com/fu_manxing/article/details/52329234
where 1=1 是为了避免where关键字后面的第一个词直接就是 “and”而导致语法错误
https://blog.youkuaiyun.com/le945926/article/details/80339890
https://blog.youkuaiyun.com/fu_manxing/article/details/52329234