insert into t_dynamic_column_value (dynamic_column_id,column_value,ref_id,ref_string_id) values (#{item.dynamicColumnId},#{item.columnValue},#{item.refId},#{item.refStringId}) UPDATE t_dynamic_column_value SET column_value = #{item.columnValue} WHERE id = #{item.id} delete from t_dynamic_column_value where id in #{id}