wang7241 edited a comment on issue #7489:
URL: https://github.com/apache/shardingsphere/issues/7489#issuecomment-693493773
>
>
> > what's your original sql?
>
> sorry i forget my mapper.xml as follow :
>
>
> UPDATE oral_cw_classwork_stu SET no_assess_count =
if(ISNULL(no_assess_count),0,no_assess_count) + 1,update_time =
#{item.updateTime}
>
> AND tea_cw_id = #{item.teaCwId}
> AND school_id = #{item.schoolId}
> AND class_id = #{item.classId}
> AND stu_cw_id = #{item.stuCwId}
> AND cw_show_status = #{item.cwShowStatus}
>
> there is also a foreach tag in the uppermost layer of the SQL above,but it
no appear when i copy to github
>
> my mapper as follow:
> void updateBatchNoAssessCountByStuCwId(@param("list") List classworkStus);
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