package db import ( "fmt" "github.com/jinzhu/copier" "gorm.io/gorm" "time" "video_data_copy/data" ) func copyOrders(db *gorm.DB, timeNow time.Time) { order := &data.Orders{} start := timeNow.Format("2006-01-02 15:04:05") first := db.Debug().Where("create_time < ?", timeNow.Format("2006-01-02 15:04:05")).Order("create_time asc").First(order) if first.RowsAffected == 0 { fmt.Println("no orders data") return } //parse, err := time.Parse("2006-01-02T15:04:05Z07:00", order.CreateTime) //if err != nil { // fmt.Println("parse order create_time error:", err) //} //deleteTime := parse.Format("2006-01-02 15:04:05") //fmt.Println("copy orders from:", deleteTime) // //db.Debug().Where("create_time >= ?", deleteTime).Delete(&data.OrdersCopy1{}) _execOrders(db, timeNow.Format("2006-01-02 15:04:05"), 0) db.Debug().Where("create_time < ?", start).Delete(&data.Orders{}) } func _execOrders(db *gorm.DB, timeNow string, index int) { var orders []*data.Orders db.Debug().Where("create_time < ?", timeNow).Limit(1000).Offset(index * 1000).Find(&orders) fmt.Printf("index: %d, timeNow: %s ,orders count: %d\n", index, timeNow, len(orders)) if len(orders) == 0 { return } var copyList []*data.OrdersCopy1 for _, order := range orders { copyOrder := &data.OrdersCopy1{} CopyStruct(order, copyOrder) copyList = append(copyList, copyOrder) } db.Create(©List) _execOrders(db, timeNow, index+1) } func copyPayDetails(db *gorm.DB, timeNow time.Time) { detail := &data.PayDetails{} start := timeNow.Format("2006-01-02 15:04:05") first := db.Model(detail).Where("create_time < ?", timeNow.Format("2006-01-02 15:04:05")).Order("create_time asc").First(detail) if first.RowsAffected == 0 { fmt.Println("no pay_details data") return } //parse, err := time.Parse("2006-01-02T15:04:05Z07:00", detail.CreateTime) //if err != nil { // fmt.Println("parse pay_details create_time error:", err) //} //deleteTime := parse.Format("2006-01-02 15:04:05") //fmt.Println("copy pay_details from:", deleteTime) // //db.Debug().Where("create_time >= ?", deleteTime).Delete(&data.PayDetailsCopy1{}) _execPayDetails(db, timeNow.Format("2006-01-02 15:04:05"), 0) db.Debug().Where("create_time < ?", start).Delete(&data.PayDetails{}) } func _execPayDetails(db *gorm.DB, timeNow string, index int) { var details []*data.PayDetails db.Debug().Where("create_time < ?", timeNow).Limit(1000).Offset(index * 1000).Find(&details) fmt.Printf("index: %d, timeNow: %s ,pay_details count: %d\n", index, timeNow, len(details)) if len(details) == 0 { return } var copyList []*data.PayDetailsCopy1 for _, detail := range details { detailCopy := &data.PayDetailsCopy1{} CopyStruct(detail, detailCopy) copyList = append(copyList, detailCopy) } db.Create(©List) _execPayDetails(db, timeNow, index+1) } func copyUserMoneyDetails(db *gorm.DB, timeNow time.Time) { detail := &data.UserMoneyDetails{} start := timeNow.Format("2006-01-02 15:04:05") first := db.Model(detail).Where("create_time < ?", timeNow.Format("2006-01-02 15:04:05")).Order("create_time asc").First(detail) if first.RowsAffected == 0 { fmt.Println("no user_money_details data") return } //parse, err := time.Parse("2006-01-02T15:04:05Z07:00", detail.CreateTime) //if err != nil { // fmt.Println("parse pay_details create_time error:", err) //} //deleteTime := parse.Format("2006-01-02 15:04:05") //fmt.Println("copy pay_details from:", deleteTime) // //db.Debug().Where("create_time >= ?", deleteTime).Delete(&data.UserMoneyDetailsCopy1{}) _execUserMoneyDetails(db, timeNow.Format("2006-01-02 15:04:05"), 0) db.Debug().Where("create_time < ?", start).Delete(&data.UserMoneyDetails{}) } func _execUserMoneyDetails(db *gorm.DB, timeNow string, index int) { var details []*data.UserMoneyDetails db.Debug().Where("create_time < ?", timeNow).Limit(1000).Offset(index * 1000).Find(&details) fmt.Printf("index: %d, timeNow: %s ,pay_details count: %d\n", index, timeNow, len(details)) if len(details) == 0 { return } var copyList []*data.UserMoneyDetailsCopy1 for _, detail := range details { detailCopy := &data.UserMoneyDetailsCopy1{} CopyStruct(detail, detailCopy) copyList = append(copyList, detailCopy) } db.Create(©List) _execUserMoneyDetails(db, timeNow, index+1) } // CopyStruct 使用反射复制结构体 func CopyStruct(src, dst interface{}) { _ = copier.Copy(dst, src) }