package com.whyc.mapper;

import com.whyc.pojo.db_batt.PowerInf;
import org.apache.ibatis.annotations.Select;

import java.util.List;

public interface PowerInfMapper extends CustomMapper<PowerInf>{
    Integer selectMaxBattGroupId();

    int getMaxPowerId();

    @Select("select distinct producer from db_batt.power_inf where producer is not null")
    List<String> getProducerList();
}