数据库切换oracle to mysql的坑--Caused by: java.sql.SQLException: Column '' not found.
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环境为hibernate3
解决办法:1.在sql语句外包一层select * from
2.在查询字段中的常量用函数替换
例: selct 0 as constant from dual>>>>> select if(sysdate() = 0,0,0) from dual
(不是很懂原理
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