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报错详情：SELECT id ,column from sys_shelf> 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'column from sys_shelf' at line 1> 时间: 0.027s原来sql语句如下：SELECT i

mybatis报错：org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'id' in 'class java.lang.Long'xml中，sql如下：select dd.*from sys_mouldtype_device md,

原因及解决方案：原因：1.外键在主表中没有建立索引2.外键在主从表类型不一致解决方法：1.给一个外键在主表中建立约束2.字段类型保持一致这两种情况，我都有遇到。