select * from city_aqi_config; INSERT INTO hangzhou_aqi (`time`, aqi_json,city_code) values( #{time}, #{data}, #{code} ) select station_code,city_code from aqi_station_config insert into history_aqi_station values (#{item.time},#{item.json},#{item.stationCode},#{item.cityCode}) select DATE_FORMAT(time, #{typeFormat}) time, ifnull(aqi_json->'$.O3C',aqi_json->'$.O3') 'O3' from hangzhou_aqi where city_code=#{cityCode} and DATE_FORMAT(time, #{typeFormat}) in #{time} select ifnull(aqi_json->'$.${sensorKey}',aqi_json->'$.${sensorKey1}') as '${sensorKey}' from hangzhou_aqi where city_code=#{cityCode} and DATE_FORMAT(time, #{typeFormat})=#{time} select DATE_FORMAT(time, '%Y-%m-%d %H:%i:%s') time, value from history_aqi_${timeUnits} where city_code=#{cityCode} and DATE_FORMAT(time, '%Y%H')=#{yearAndHour} select value ->'$.${sensorKey}' as '${sensorKey}' from history_aqi_${timeUnits} where city_code=#{cityCode} and DATE_FORMAT(time, #{typeFormat})=#{time}