package data_manage import ( "eta/eta_api/global" "eta/eta_api/utils" "time" ) type EdbDataPb struct { //EdbDataId int `orm:"column(edb_data_id);pk"` EdbDataId int `gorm:"column:edb_data_id;primaryKey"` EdbInfoId int EdbCode string DataTime string Value float64 Status int CreateTime time.Time ModifyTime time.Time Ticker string Field string DataTimestamp int64 } func GetEdbDataPbMaxOrMinDate(edbCode string) (min_date, max_date string, err error) { //o := orm.NewOrmUsingDB("data") //sql := ` SELECT MIN(data_time) AS min_date,MAX(data_time) AS max_date FROM edb_data_pb WHERE edb_code=? ` //err = o.Raw(sql, edbCode).QueryRow(&min_date, &max_date) sql := ` SELECT MIN(data_time) AS minDate,MAX(data_time) AS maxDate FROM edb_data_pb WHERE edb_code=? ` var maxAndMinDate MaxAndMinDate err = global.DbMap[utils.DbNameIndex].Raw(sql, edbCode).First(&maxAndMinDate).Error if err != nil { return } min_date = maxAndMinDate.MinDate.Format(utils.FormatDate) max_date = maxAndMinDate.MaxDate.Format(utils.FormatDate) return }