Mybatis TooManyResultsException
2018-03-06 00:26
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使用mybatis分组查询，sql语句是：SELECT count(*) from t_parent_select_course sps LEFT JOIN t_school s ON sps.stu_schoolId=s.id
WHERE s.school_name LIKE '%小学%' AND sps.flag='1' GROUP BY sps.stu_schoolId;但是我在代码中使用的是实体来接收，所以导致错误，原因是：查询方法中得到两个两个结果集,然而你的返回用了一个实体去接收，程序这个时候就不知道如何去分配了，所以报这个错，解决办法采用List接收。望采纳
WHERE s.school_name LIKE '%小学%' AND sps.flag='1' GROUP BY sps.stu_schoolId;但是我在代码中使用的是实体来接收，所以导致错误，原因是：查询方法中得到两个两个结果集,然而你的返回用了一个实体去接收，程序这个时候就不知道如何去分配了，所以报这个错，解决办法采用List接收。望采纳
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