select distinct group_number groupnumber from super_table_item_info where table_number = #{tablenumber}
</select>
<selectid="findCName"resultType="map">
select distinct c.characteristic_code characteristiccode,c.characteristic_name characteristicname from super_table_item_info b left join super_characteristic_info c on b.characteristic_code = c.characteristic_code where b.table_number =#{tablenumber} and b.group_number = #{groupNumber}
select distinct d.characteristic_value_name from super_table_item_info b left join super_characteristic_value_info d on b.characteristic_value_code = d.characteristic_value_code where b.table_number =#{tablenumber} and b.group_number = #{groupNumber} and b.characteristic_code = #{characteristiccode}