liulin
2025-07-09 512ddb42f73f1560661865225dd03870e021e1d2
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package com.lunhan.water.repository.mapper;
 
import com.lunhan.water.repository.BasicMapper;import com.lunhan.water.repository.po.RechargeRecordsPO;
import org.apache.ibatis.annotations.Select;
 
import java.math.BigDecimal;
 
/**
 * 充值记录 mapper
 * @author lin.liu
 */
public interface RechargeRecordsMapper extends BasicMapper<RechargeRecordsPO> {
   @Select("SELECT COALESCE(SUM(recharge_water),0) FROM recharge_records WHERE user_id=#{userId}")
    BigDecimal getSumBuyCount(Long userId);
 
}