[BUG] 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

kannon007 commented 8 months ago

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

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)