123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613 |
- package Device
- import (
- "ColdVerify_server/conf"
- "ColdVerify_server/lib"
- "ColdVerify_server/logs"
- "encoding/json"
- "fmt"
- "github.com/astaxie/beego/cache"
- _ "github.com/astaxie/beego/cache/redis"
- "github.com/beego/beego/v2/adapter/orm"
- orm2 "github.com/beego/beego/v2/client/orm"
- _ "github.com/go-sql-driver/mysql"
- "strconv"
- "strings"
- "time"
- )
- // 模板
- type DeviceData struct {
- Id int `orm:"column(ID);size(11);auto;pk"`
- T_id string `orm:"size(256);null"` // 标题
- T_t float32 `orm:"size(10);null"` // 温度
- T_rh float32 `orm:"size(10);null"` // 湿度
- T_time time.Time `orm:"type(timestamp);null;"` // 采集时间
- CreateTime time.Time `orm:"column(create_time);type(timestamp);null;auto_now_add"` //auto_now_add 第一次保存时才设置时间 UpdateTime time.Time `orm:"column(update_time);type(timestamp);null;auto_now"` //auto_now 每次 model 保存时都会对时间自动更新
- }
- func (t *DeviceData) TableName() string {
- return "device_data" // 数据库名称 // ************** 替换 FormulaList **************
- }
- var redisCache_DeviceData cache.Cache
- var redisCache_DeviceDataJPG cache.Cache
- func init() {
- config := fmt.Sprintf(`{"key":"%s","conn":"%s","dbNum":"%s","password":"%s"}`,
- "redis_DeviceData", conf.Redis_address, conf.Redis_dbNum, conf.Redis_password)
- configJPG := fmt.Sprintf(`{"key":"%s","conn":"%s","dbNum":"%s","password":"%s"}`,
- "redis_DeviceDataJPG", conf.Redis_address, conf.Redis_dbNum, conf.Redis_password)
- logs.Println(config)
- var err error
- redisCache_DeviceData, err = cache.NewCache("redis", config)
- if err != nil || redisCache_DeviceData == nil {
- errMsg := "failed to init redis"
- logs.Println(errMsg, err)
- }
- redisCache_DeviceDataJPG, err = cache.NewCache("redis", configJPG)
- if err != nil || redisCache_DeviceDataJPG == nil {
- errMsg := "failed to init redis"
- logs.Println(errMsg, err)
- }
- }
- func DeviceData_Set(key string) (err error) {
- err = redisCache_DeviceData.Put(key, "", 2*time.Hour)
- if err != nil {
- logs.Println("set key:", key, err)
- }
- return
- }
- // ---------------- Redis -------------------
- // Redis_Set(m.T_sn,m) // Redis 更新缓存
- func RedisDeviceData_Set(key string, r DeviceData_New) (err error) {
- //json序列化
- str, err := json.Marshal(r)
- if err != nil {
- fmt.Print(err)
- return
- }
- err = redisCache_DeviceData.Put(key, str, 24*time.Hour)
- if err != nil {
- logs.Println("set key:", key, ",value:", str, err)
- }
- return
- }
- // if r,is :=Redis_Get(T_sn);is{
- // return r,nil
- // }
- func RedisDeviceData_Get(key string) (r DeviceData_New, is bool) {
- v := redisCache_DeviceData.Get(key)
- json.Unmarshal(v.([]byte), &r)
- return r, true
- }
- type DeviceCount struct {
- T_id string `json:"T_id"`
- Num int `json:"Num"`
- }
- type DeviceDataJPG struct {
- State int `json:"State"` //1:生成中 2:已完成 3:失败
- Msg string `json:"Msg"`
- Url string `json:"Url"` //url
- Device []DeviceCount `json:"Device"`
- }
- // ---------------- Redis -------------------
- // Redis_Set(m.T_sn,m) // Redis 更新缓存
- func Redis_DeviceDataJPG_Set(key string, r DeviceDataJPG) (err error) {
- //json序列化
- str, err := json.Marshal(r)
- if err != nil {
- logs.Error(lib.FuncName(), err)
- return
- }
- err = redisCache_DeviceDataJPG.Put(key, str, 5*time.Minute)
- if err != nil {
- logs.Println("set key:", key, ",value:", str, err)
- }
- return
- }
- // if r,is :=Redis_Get(T_sn);is{
- // return r,nil
- // }
- func Redis_DeviceDataJPG_Get(key string) (r DeviceDataJPG, is bool) {
- if redisCache_DeviceDataJPG.IsExist(key) {
- logs.Println("找到key:", key)
- v := redisCache_DeviceDataJPG.Get(key)
- json.Unmarshal(v.([]byte), &r)
- return r, true
- }
- logs.Println("没有 找到key:", key)
- return DeviceDataJPG{}, false
- }
- func Redis_DeviceDataJPG_Del(key string) (err error) {
- err = redisCache_DeviceDataJPG.Delete(key)
- return
- }
- // 创建数据库 Device.CREATE_DeviceData("")
- func CREATE_DeviceData(SN string) bool {
- o := orm.NewOrm()
- sql := "CREATE TABLE IF NOT EXISTS `z_device_data_" + SN + "` ( " +
- " `ID` int(11) NOT NULL AUTO_INCREMENT," +
- " `t_id` int(11) NULL DEFAULT NULL," +
- " `t_t` float(6, 1) NULL DEFAULT NULL," +
- " `t_rh` float(6, 1) NULL DEFAULT NULL," +
- " `t_time` datetime(0) NULL DEFAULT NULL," +
- " `create_time` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0)," +
- " PRIMARY KEY (`ID`) USING BTREE" +
- ") ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;"
- _, err := o.Raw(sql).Exec()
- if err != nil {
- return false
- }
- return true
- }
- // ---------------- 特殊方法 -------------------
- // 获取 ById
- //func Read_List_ById(id int) (r DeviceData) {
- // o := orm.NewOrm()
- //
- // return r
- //}
- //
- //// 添加
- //func Add_DeviceData(SN string, t_id string, t_t string, t_rh string, t_time string) bool {
- // key := SN + "|" + t_id + "|" + t_time
- // //logs.Println(key)
- // if redisCache_DeviceData.IsExist(key) {
- // //println("找到key:",key)
- // return true
- // }
- // //println("没有 找到key:",key)
- //
- // o := orm.NewOrm()
- // // 查看是否 有记录
- // var maps_z []orm2.ParamsList
- //
- // sql := "SELECT COUNT(ID) FROM z_devicedata_" + SN + " WHERE t_time = '" + t_time + "' AND t_id = " + t_id
- // //logs.Println(sql)
- // _, err := o.Raw(sql).ValuesList(&maps_z)
- //
- // if err != nil {
- // logs.Error(lib.FuncName(),err)
- // return false
- // }
- // //logs.Println("maps_z[0][0]:",maps_z[0][0])
- // if lib.To_int(maps_z[0][0]) > 0 {
- // // 存在 写入 redis
- // DeviceData_Set(key)
- // return true
- // }
- // // 开始插入数据
- // sql = "INSERT INTO z_devicedata_" + SN + " (`t_id`, `t_t`, `t_rh`, `t_time`) VALUES (" + t_id + ", " + t_t + ", " + t_rh + ", '" + t_time + "')"
- // // 这里有时间优化 用于一次 prepare 多次 exec,以提高批量执行的速度
- // //logs.Println(sql)
- // res, err := o.Raw(sql).Exec()
- // if err != nil {
- // logs.Error(lib.FuncName(),err)
- // return false
- // }
- // res.RowsAffected()
- // // 存在 写入 redis
- // DeviceData_Set(key)
- // //logs.Println("mysql row affected nums: ", num)
- // return true
- //}
- type DeviceData_ struct {
- T_t float32 `orm:"column(t_t);size(10);null"` // 温度
- T_rh float32 `orm:"column(t_rh);size(10);null"` // 湿度
- T_time string `orm:"column(t_time);type(timestamp);null;"` // 采集时间
- }
- type DeviceData_New struct {
- T_id int `orm:"column(t_id);size(10);null"` // ID
- T_t float32 `orm:"column(t_t);size(10);null"` // 温度
- T_rh float32 `orm:"column(t_rh);size(10);null"` // 湿度
- T_time time.Time `orm:"column(t_time);type(timestamp);null;"` // 采集时间
- }
- func Read_DeviceSensorData_ById_List(SN string, Time_start_ string, Time_end_ string, page int, page_z int) ([]DeviceData_, int) {
- o := orm.NewOrm()
- var maps []DeviceData_
- var maps_z []orm2.ParamsList
- pagez := page_z
- if len(SN) == 0 {
- return maps, 0
- }
- var offset int
- if page <= 1 {
- offset = 0
- } else {
- page -= 1
- offset = page * pagez
- }
- sql_time := ""
- if len(Time_start_) > 1 {
- sql_time += " t_time >= '" + Time_start_ + "' AND "
- }
- if len(Time_end_) > 1 {
- sql_time += " t_time <= '" + Time_end_ + "' AND "
- }
- if len(sql_time) > 0 {
- sql_time = strings.TrimRight(sql_time, "AND ")
- }
- sql := "SELECT COUNT(ID) FROM z_devicedata_" + SN
- if len(sql_time) > 0 {
- sql += " WHERE " + sql_time
- }
- logs.Println(sql)
- _, err := o.Raw(sql).ValuesList(&maps_z)
- if err != nil {
- return maps, 0
- }
- if len(maps_z) == 0 {
- return maps, 0
- }
- //logs.Println("maps_z;",maps_z[0][0])
- //sql = "SELECT t_id,t_t,t_rh,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_" + SN
- sql = "SELECT t_t,t_rh,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_" + SN
- if len(sql_time) > 0 {
- sql += " WHERE " + sql_time
- }
- sql += " ORDER BY t_time"
- if page_z != 9999 {
- sql = sql + " LIMIT " + strconv.Itoa(offset) + "," + strconv.Itoa(pagez)
- }
- logs.Println(sql)
- _, err = o.Raw(sql).QueryRows(&maps)
- if err != nil {
- logs.Println(lib.FuncName(), err)
- return maps, 0
- }
- //value, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", cnt), 64)
- key, _ := strconv.Atoi(maps_z[0][0].(string))
- return maps, key
- }
- func Read_DeviceData_By_snid(SN string, T_id int, Time_start_ string, Time_end_ string, offset, limit int) ([]DeviceData_, int) {
- var maps []DeviceData_
- o := orm.NewOrm()
- if len(SN) == 0 {
- return maps, 0
- }
- sql_time := ""
- if len(Time_start_) > 1 {
- sql_time += " t_time >= '" + Time_start_ + "' AND "
- }
- if len(Time_end_) > 1 {
- sql_time += " t_time <= '" + Time_end_ + "' AND "
- }
- //sql := "SELECT t_id,t_t,t_rh,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_" + SN + " WHERE " + sql_time + " t_id = " + strconv.Itoa(T_id) + " ORDER BY t_time DESC "
- sql := "SELECT t_t,t_rh,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_" + SN + " WHERE " + sql_time + " t_id = " + strconv.Itoa(T_id) + " ORDER BY t_time DESC "
- sql = sql + " LIMIT " + strconv.Itoa(offset) + "," + strconv.Itoa(limit)
- logs.Println(sql)
- _, err := o.Raw(sql).QueryRows(&maps)
- if err != nil {
- logs.Println(lib.FuncName(), err)
- return maps, 0
- }
- return maps, 0
- }
- func Read_DeviceData_Count_By_snid(SN string, T_id int, Time_start_ string, Time_end_ string) int {
- if len(SN) == 0 {
- return 0
- }
- o := orm.NewOrm()
- var maps_z []orm2.ParamsList
- sql_time := ""
- if len(Time_start_) > 1 {
- sql_time += " t_time >= '" + Time_start_ + "' AND "
- }
- if len(Time_end_) > 1 {
- sql_time += " t_time <= '" + Time_end_ + "' AND "
- }
- sql := "SELECT COUNT(ID) FROM z_devicedata_" + SN + " WHERE " + sql_time + " t_id = " + strconv.Itoa(T_id)
- logs.Println(sql)
- _, err := o.Raw(sql).ValuesList(&maps_z)
- if err != nil {
- return 0
- }
- if len(maps_z) == 0 {
- return 0
- }
- key, _ := strconv.Atoi(maps_z[0][0].(string))
- return key
- }
- func Read_DeviceSensorData_List(SN string, Time_start_ string, Time_end_ string, page int, page_z int) ([]DeviceData_, int) {
- o := orm.NewOrm()
- var maps []DeviceData_
- var maps_z []orm2.ParamsList
- pagez := page_z
- if len(SN) == 0 {
- return maps, 0
- }
- var offset int
- if page <= 1 {
- offset = 0
- } else {
- page -= 1
- offset = page * pagez
- }
- sql_time := ""
- if len(Time_start_) > 1 && len(Time_end_) > 1 {
- sql_time = "WHERE "
- sql_time += " t_time >= '" + Time_start_ + "' AND "
- sql_time += " t_time <= '" + Time_end_ + "' "
- }
- sql := "SELECT COUNT(ID) FROM z_devicedata_" + SN + " " + sql_time
- logs.Println(sql)
- _, err := o.Raw(sql).ValuesList(&maps_z)
- if err != nil {
- return maps, 0
- }
- if len(maps_z) == 0 {
- return maps, 0
- }
- //logs.Println("maps_z;",maps_z[0][0])
- //sql = "SELECT t_id,t_t,t_rh,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_" + SN + " " + sql_time + " ORDER BY t_time DESC "
- sql = "SELECT t_t,t_rh,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_" + SN + " " + sql_time + " ORDER BY t_time DESC "
- if page_z != 9999 {
- sql = sql + " LIMIT " + strconv.Itoa(offset) + "," + strconv.Itoa(pagez)
- }
- logs.Println(sql)
- _, err = o.Raw(sql).QueryRows(&maps)
- if err != nil {
- logs.Println(lib.FuncName(), err)
- return maps, 0
- }
- //value, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", cnt), 64)
- key, _ := strconv.Atoi(maps_z[0][0].(string))
- return maps, key
- }
- func Read_DeviceSensorData_List_z(SN string, Time_start_ string) int {
- if len(SN) == 0 {
- return 0
- }
- o := orm.NewOrm()
- var maps_z []orm2.ParamsList
- sql_time := ""
- if len(Time_start_) > 1 {
- sql_time = "WHERE "
- sql_time += " t_time >= '" + Time_start_ + "' "
- //sql_time += " t_time <= '" + Time_end_ + "' AND "
- }
- sql := "SELECT COUNT(ID) FROM z_devicedata_" + SN + " " + sql_time
- logs.Println(sql)
- _, err := o.Raw(sql).ValuesList(&maps_z)
- if err != nil {
- logs.Println(lib.FuncName(), err)
- return 0
- }
- //value, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", cnt), 64)
- key, _ := strconv.Atoi(maps_z[0][0].(string))
- return key
- }
- // 获取最新数据
- func Read_DeviceSensorData_ById_New(SN string, T_id int) (DeviceData_New, bool) {
- o := orm.NewOrm()
- var maps DeviceData_New
- if len(SN) == 0 {
- return maps, false
- }
- key_data := SN + "|" + strconv.Itoa(T_id)
- if redisCache_DeviceData.IsExist(key_data) {
- r, _ := RedisDeviceData_Get(key_data)
- //println("Redis_Get OK")
- return r, true
- }
- //logs.Println("maps_z;",maps_z[0][0])
- //sql := "SELECT t_id,t_t,t_rh,t_time FROM z_devicedata_" + SN + " WHERE " + " t_id = " + strconv.Itoa(T_id) + " ORDER BY t_time DESC "
- sql := "SELECT t_t,t_rh,t_time FROM z_devicedata_" + SN + " WHERE " + " t_id = " + strconv.Itoa(T_id) + " ORDER BY t_time DESC "
- sql = sql + " LIMIT 0,1 "
- logs.Println(sql)
- err := o.Raw(sql).QueryRow(&maps)
- if err != nil {
- logs.Error(lib.FuncName(), err)
- return maps, false
- }
- logs.Println("T_time:", maps.T_time)
- RedisDeviceData_Set(key_data, maps)
- return maps, true
- }
- func Read_DeviceSensorData_By_T_snid_List(T_snid string, Time_start_ string, Time_end_ string, page int, page_z int) ([]DeviceData_, int) {
- T_snid_list := strings.Split(T_snid, "|")
- var maps []DeviceData_
- var maps_num int
- var offset, offset_z int
- for _, v := range T_snid_list {
- sn_id := strings.Split(v, ",")
- if len(sn_id) == 2 {
- r_maps, r_maps_num := Read_DeviceSensorData_ById_List(sn_id[0], Time_start_, Time_end_, 0, 9999)
- maps = append(maps, r_maps...)
- maps_num = maps_num + r_maps_num
- logs.Println("加载数据:", sn_id[0], sn_id[1], r_maps_num)
- }
- }
- if page <= 1 {
- offset = 0
- } else {
- page -= 1
- offset = page * page_z
- }
- offset_z = offset + page_z
- if maps_num < offset_z {
- offset_z = maps_num
- }
- if page_z == 9999 {
- logs.Println("总数据:", maps_num, " 导出")
- return maps, maps_num
- }
- logs.Println("总数据:", maps_num, " 截取", offset, offset+page_z)
- return maps[offset:offset_z], maps_num
- }
- func Read_DeviceData_ById_Year_List(SN string) []orm2.ParamsList {
- o := orm.NewOrm()
- var maps_z []orm2.ParamsList
- if len(SN) == 0 {
- return maps_z
- }
- //sql = "SELECT t_name,t_t,t_rh,t_tl,t_tu,t_rhl,t_rhu,t_site,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_"+SN+" WHERE "+sql_time+" t_id = "+ strconv.Itoa(T_id) +" ORDER BY t_time DESC "
- sql := "SELECT DATE_FORMAT(t_time,\"%m\") AS m ,DATE_FORMAT(t_time,\"%d\") AS d FROM z_devicedata_" + SN + " WHERE t_time > '" + strconv.Itoa(time.Now().Year()) + "-0-0 00:00:00' GROUP BY DATE_FORMAT(t_time,\"%m\");"
- logs.Println(sql)
- num, err := o.Raw(sql).ValuesList(&maps_z)
- if err == nil && num > 0 {
- logs.Println("", maps_z[0][0]) // slene
- }
- //value, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", cnt), 64)
- //key,_ := strconv.Atoi(maps_z[0][0].(string))
- return maps_z
- } //
- func Read_DeviceData_ById_Month_List(SN string) []orm2.ParamsList {
- o := orm.NewOrm()
- var maps_z []orm2.ParamsList
- if len(SN) == 0 {
- return maps_z
- }
- currentTime := time.Now() //获取当前时间,类型是Go的时间类型Time
- time_x := currentTime.Format("2006-01") + "-00 00:00:00"
- //sql = "SELECT t_name,t_t,t_rh,t_tl,t_tu,t_rhl,t_rhu,t_site,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_"+SN+" WHERE "+sql_time+" t_id = "+ strconv.Itoa(T_id) +" ORDER BY t_time DESC "
- sql := "SELECT DATE_FORMAT(t_time,\"%d\") AS d FROM z_devicedata_" + SN + " WHERE t_time > '" + time_x + "' GROUP BY DATE_FORMAT(t_time,\"%d\");"
- logs.Println(sql)
- o.Raw(sql).ValuesList(&maps_z)
- //value, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", cnt), 64)
- //key,_ := strconv.Atoi(maps_z[0][0].(string))
- return maps_z
- }
- func Read_DeviceSensorData_ById_Day_List(SN string) []orm2.ParamsList {
- o := orm.NewOrm()
- var maps_z []orm2.ParamsList
- if len(SN) == 0 {
- return maps_z
- }
- currentTime := time.Now() //获取当前时间,类型是Go的时间类型Time
- time_x := currentTime.Format("2006-01-02") + " 00:00:00"
- //sql = "SELECT t_name,t_t,t_rh,t_tl,t_tu,t_rhl,t_rhu,t_site,DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_"+SN+" WHERE "+sql_time+" t_id = "+ strconv.Itoa(T_id) +" ORDER BY t_time DESC "
- sql := "SELECT DATE_FORMAT(t_time,\"%H\") AS m FROM z_devicedata_" + SN + " WHERE t_time > '" + time_x + "' GROUP BY DATE_FORMAT(t_time,\"%H\");"
- logs.Println(sql)
- o.Raw(sql).ValuesList(&maps_z)
- //value, _ := strconv.ParseFloat(fmt.Sprintf("%.2f", cnt), 64)
- //key,_ := strconv.Atoi(maps_z[0][0].(string))
- return maps_z
- }
- func Read_DeviceSensorData_List_GROUP_BY_t_time(SN string, Time_start_ string, Time_end_ string) []orm2.ParamsList {
- o := orm.NewOrm()
- var maps_z []orm2.ParamsList
- if len(SN) == 0 {
- return maps_z
- }
- sql_time := ""
- if len(Time_start_) > 1 {
- sql_time += " t_time >= '" + Time_start_ + "' AND " + " t_time <= '" + Time_end_ + "' "
- }
- sql := "SELECT DATE_FORMAT(t_time,'%Y-%m-%d %H:%i:%s') AS t_time FROM z_devicedata_" + SN + " WHERE " + sql_time + " GROUP BY t_time ORDER BY t_time DESC "
- logs.Println(sql)
- o.Raw(sql).ValuesList(&maps_z)
- return maps_z
- }
- func Read_DeviceData_T_Min_Max_Time_Min_Max(SN string, Time_start_ string, Time_end_ string) (minT, maxT float64, minTime, maxTime time.Time) {
- o := orm.NewOrm()
- if len(SN) == 0 {
- return
- }
- sql_condition := ""
- if len(Time_start_) > 1 {
- sql_condition += " AND t_time >= '" + Time_start_ + "'"
- }
- if len(Time_end_) > 1 {
- sql_condition += " AND t_time <= '" + Time_end_ + "'"
- }
- if len(sql_condition) > 0 {
- sql_condition = " WHERE " + strings.TrimLeft(sql_condition, " AND ")
- }
- //logs.Println("maps_z;",maps_z[0][0])
- sql := "SELECT MIN(t_t) AS min_t, MAX(t_t) AS max_t,MIN(t_time) AS min_time, MAX(t_time) AS max_time FROM z_devicedata_" + SN + sql_condition
- logs.Println(sql)
- err := o.Raw(sql).QueryRow(&minT, &maxT, &minTime, &maxTime)
- if err != nil {
- logs.Error(lib.FuncName(), err)
- }
- return
- }
|