package data_manage import ( "github.com/beego/beego/v2/client/orm" ) type BaseFromBaiinfoDataSimple struct { BaiinfoDataId int `orm:"column(baiinfo_data_id);pk"` BaseFromBaiinfoIndexId int IndexCode string DataTime string Value string } func GetEdbDataBaiinfoMaxAndMinDate(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_baiinfo WHERE edb_code=? ` err = o.Raw(sql, edbCode).QueryRow(&min_date, &max_date) return }