java.lang.ClassCastException: class com.zjw.metadata.dto.user.UserVo cannot be cast to class com.mybatisflex.core.row.Row (com.zjw.metadata.dto.user.UserVo and com.mybatisflex.core.row.Row are in unnamed module of loader 'app')
at com.mybatisflex.core.relation.RelationManager.lambda$doQueryRelations$2(RelationManager.java:345)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
at com.mybatisflex.core.relation.RelationManager.doQueryRelations(RelationManager.java:299)
at com.mybatisflex.core.relation.RelationManager.queryRelations(RelationManager.java:263)
at com.mybatisflex.core.util.MapperUtil.queryRelations(MapperUtil.java:219)
at com.mybatisflex.core.util.MapperUtil.queryRelations(MapperUtil.java:213)
at com.mybatisflex.core.BaseMapper.selectOneWithRelationsById(BaseMapper.java:490)
at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733)
at org.apache.ibatis.binding.MapperProxy$DefaultMethodInvoker.invoke(MapperProxy.java:154)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at jdk.proxy2/jdk.proxy2.$Proxy115.selectOneWithRelationsById(Unknown Source)
at com.mybatisflex.core.BaseMapper.selectOneWithRelationsByIdAs(BaseMapper.java:503)
at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733)
at org.apache.ibatis.binding.MapperProxy$DefaultMethodInvoker.invoke(MapperProxy.java:154)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
at jdk.proxy2/jdk.proxy2.$Proxy115.selectOneWithRelationsByIdAs(Unknown Source)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.mybatisflex.core.mybatis.MapperInvocationHandler.invoke(MapperInvocationHandler.java:89)
at jdk.proxy2/jdk.proxy2.$Proxy115.selectOneWithRelationsByIdAs(Unknown Source)
at com.zjw.metadata.SelectTest.testRecord(SelectTest.java:23)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
多对多关联查询时,当结果只有一个时,使用mapper查询报错,使用activeRecord方式正常
错误日志
debug activeRecord
debug mapper 这里对比上面 发现查询出的对象不对