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package cn.iocoder.yudao.module.bi.dal.mysql.decision;
 
import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
import cn.iocoder.yudao.module.bi.dal.dataobject.decision.BiKpiValueHistoryDO;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.apache.ibatis.annotations.Mapper;
 
import java.time.LocalDateTime;
import java.util.List;
 
/**
 * KPI历史快照 Mapper
 *
 * @author 超级管理员
 */
@Mapper
public interface BiKpiValueHistoryMapper extends BaseMapperX<BiKpiValueHistoryDO> {
 
    /**
     * 查询指定 KPI 在时间范围内的快照(按时间升序,用于趋势/预测)
     */
    default List<BiKpiValueHistoryDO> selectByKpiCodeAndTimeRange(String kpiCode,
                                                                   LocalDateTime beginTime,
                                                                   LocalDateTime endTime) {
        return selectList(new LambdaQueryWrapper<BiKpiValueHistoryDO>()
                .eq(BiKpiValueHistoryDO::getKpiCode, kpiCode)
                .between(BiKpiValueHistoryDO::getSnapshotTime, beginTime, endTime)
                .orderByAsc(BiKpiValueHistoryDO::getSnapshotTime));
    }
 
    /**
     * 查询指定 KPI 最近 n 条快照(按时间倒序,用于移动平均/趋势研判)
     */
    default List<BiKpiValueHistoryDO> selectRecentByKpiCode(String kpiCode, int limit) {
        return selectList(new LambdaQueryWrapper<BiKpiValueHistoryDO>()
                .eq(BiKpiValueHistoryDO::getKpiCode, kpiCode)
                .orderByDesc(BiKpiValueHistoryDO::getSnapshotTime)
                .last("LIMIT " + limit));
    }
 
    /**
     * 查询指定 KPI 在某整点的快照(用于去重/覆盖)
     */
    default BiKpiValueHistoryDO selectByKpiCodeAndSnapshotTime(String kpiCode, LocalDateTime snapshotTime) {
        return selectOne(new LambdaQueryWrapper<BiKpiValueHistoryDO>()
                .eq(BiKpiValueHistoryDO::getKpiCode, kpiCode)
                .eq(BiKpiValueHistoryDO::getSnapshotTime, snapshotTime)
                .last("LIMIT 1"));
    }
 
    /**
     * 查询指定分类在时间范围内的快照
     */
    default List<BiKpiValueHistoryDO> selectByCategoryAndTimeRange(String category,
                                                                   LocalDateTime beginTime,
                                                                   LocalDateTime endTime) {
        return selectList(new LambdaQueryWrapper<BiKpiValueHistoryDO>()
                .eq(BiKpiValueHistoryDO::getCategory, category)
                .between(BiKpiValueHistoryDO::getSnapshotTime, beginTime, endTime)
                .orderByAsc(BiKpiValueHistoryDO::getSnapshotTime));
    }
 
}