package cn.exrick.xboot.your.mapper;
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import cn.exrick.xboot.your.vo.Month;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import cn.exrick.xboot.your.entity.OrderLog;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Select;
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import java.util.List;
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/**
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* 订单日志表数据处理层
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* @author whj
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*/
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public interface OrderLogMapper extends BaseMapper<OrderLog> {
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@Select("SELECT sum(num) FROM t_order_log where type=0")
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int sumNum();
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@Select("select \n" +
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"sum(case month(t.create_time) when '1' then t.num else 0 end) as january,\n" +
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"sum(case month(t.create_time) when '2' then t.num else 0 end) as february,\n" +
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"sum(case month(t.create_time) when '3' then t.num else 0 end) as march,\n" +
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"sum(case month(t.create_time) when '4' then t.num else 0 end) as april,\n" +
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"sum(case month(t.create_time) when '5' then t.num else 0 end) as may,\n" +
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"sum(case month(t.create_time) when '6' then t.num else 0 end) as june,\n" +
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"sum(case month(t.create_time) when '7' then t.num else 0 end) as july,\n" +
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"sum(case month(t.create_time) when '8' then t.num else 0 end) as august,\n" +
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"sum(case month(t.create_time) when '9' then t.num else 0 end) as september,\n" +
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"sum(case month(t.create_time) when '10' then t.num else 0 end) as october,\n" +
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"sum(case month(t.create_time) when '11' then t.num else 0 end) as november,\n" +
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"sum(case month(t.create_time) when '12' then t.num else 0 end) as december\n" +
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"from t_order_log t\n" +
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"where year(t.create_time)=#{year} and type=0")
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Month getSendNum(@Param("year")int year);
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}
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