screen-api 增加小时和五分钟跨表查询

kaiyu

2021-09-23 d32bc8f5fa5cd1a9ef293614124420b17acdaa5f

 screen-api/src/main/java/com/moral/api/service/impl/HistoryFiveMinutelyServiceImpl.java

@@ -2,9 +2,14 @@

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.ISqlSegment;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.segments.MergeSegments;
import com.baomidou.mybatisplus.core.conditions.segments.NormalSegmentList;
import com.moral.api.config.mybatis.MybatisPlusConfig;
import com.moral.api.entity.Device;
import com.moral.api.entity.HistoryFiveMinutely;
import com.moral.api.entity.HistoryHourly;
import com.moral.api.entity.MonitorPoint;
import com.moral.api.mapper.HistoryFiveMinutelyMapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -15,7 +20,9 @@
import com.moral.api.service.HistoryFiveMinutelyService;
import com.moral.api.service.MonitorPointService;
import com.moral.constant.RedisConstants;
import com.moral.constant.SeparateTableType;
import com.moral.util.DateUtils;
import com.moral.util.MybatisPLUSUtils;
import io.lettuce.core.GeoCoordinates;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
@@ -287,6 +294,39 @@
        return list;
    }

    /**
     * @Description: 查询一段时间内某一mac的数据
     * @Param: [mac, startDate, endDate]
     * @return: java.util.List<com.moral.api.entity.HistoryHourly>
     * @Author: 陈凯裕
     * @Date: 2021/9/23
     */
    public List<HistoryFiveMinutely> getValueByMacAndTime(String mac, Date startDate, Date endDate){
        QueryWrapper<HistoryFiveMinutely> wrapper = new QueryWrapper<>();
        wrapper.eq("mac",mac);
        wrapper.between("time",startDate,endDate);
        List<String> tableNames = MybatisPLUSUtils.getTableNamesByWrapper(startDate, endDate, SeparateTableType.MONTH);
        List<HistoryFiveMinutely> datas = multiTableQuery(wrapper, tableNames);
        return datas;
    }

    /**
     * @Description: 多表查询，传入表名集合，以及条件wrapper，返回数据
     * @Param: [wrapper, tableNames]
     * @return: java.util.List<com.moral.api.entity.HistoryHourly>
     * @Author: 陈凯裕
     * @Date: 2021/9/23
     */
    private List<HistoryFiveMinutely> multiTableQuery(QueryWrapper<HistoryFiveMinutely> wrapper,List<String> tableNames){
        List<HistoryFiveMinutely> result = new ArrayList<>();
        for (String tableName : tableNames) {
            MybatisPlusConfig.tableName.set(tableName);
            List<HistoryFiveMinutely> datas = historyFiveMinutelyMapper.selectList(wrapper);
            result.addAll(datas);
        }
        return result;
    }