package cn.lili.modules.order.order.mapper;
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import cn.lili.modules.order.order.entity.dos.Trade;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import org.apache.ibatis.annotations.Update;
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/**
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* 交易数据处理层
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*
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* @author Chopper
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* @since 2020/11/17 7:35 下午
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*/
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public interface TradeMapper extends BaseMapper<Trade> {
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/**
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* 修改交易金额
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*
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* @param tradeSn 交易编号
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*/
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@Update("UPDATE li_trade SET flow_price =(SELECT SUM(flow_price) FROM li_order WHERE trade_sn=#{tradeSn}) WHERE sn=#{tradeSn}")
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void updateTradePrice(String tradeSn);
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}
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