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相关 【异常】BindingException: attempted to return null from a method with a primitive return type (int).
具体来说，这个方法的预期返回类型是基本数据类型int，但是MyBatis在尝试执行这个方法时却得到了一个null值。在你的代码中，com.xxx.ScenarioCard...
Dear 丶相关 mapper method attempted to return null from a method with a primitive return type (int)
一、场景和背景 工具：mybatis + pgsql dao代码： int selectMaxAgeBySex(String sex); 查询性别是女生的最大
骑猪看日落相关 updateCommentCount attempted to return null from a method with a primitive return type (int)
报错: org.apache.ibatis.binding.BindingException: Mapper method 'com.nowcoder.community.d
相关 RoleMapper.deleteRole attempted to return null from a method with a primitive return type (int).
sprinboot出现错误： RoleMapper.deleteRole attempted to return null from a method with a pri
相关 updateWarning attempted to return null from a method with a primitive return type (boolean).
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ub
今天药忘吃喽~相关 attempted to return null from a method with a primitive return type (int).
场景 报错信息： attempted to return null from a method with a primitive return type (int).
相关 attempted to return null from a method with a primitive return type (int).
<select id="getMaxHitEventId" parameterType="string" resultType="int">
相关 ［Mybatis异常］Mapper method '...attempted to return null from a method with a primitive return type(int
Mapper method '...attempted to return null from a method with a primitive return type(in
相关 attempted to return null from a method with a primitive return type (long).
写了一个sql:select sum(game\_score) from pt\_game\_recor 报错attempted to return null from a
相关 （Mybatis）attempted to return null from a method with a primitive return type (int)
问题描述 执行sql语句执行更新语句时，后台直接报错了，报错信息如下： ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk
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