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