func move(db *gorm.DB, value sortingInterface, pos int) error {
clone := db
for _, field := range db.NewScope(value).PrimaryFields() {
if field.DBName != "id" {
clone = clone.Where(fmt.Sprintf("%s = ?", field.DBName), field.Field.Interface())
}
}
currentPos := value.GetPosition()
if pos > 0 {
if results := clone.Model(newModel(value)).
Where("position > ? AND position <= ?", currentPos, currentPos+pos).
UpdateColumn("position", gorm.Expr("position - ?", 1)); results.Error == nil {
value.SetPosition(currentPos + int(results.RowsAffected))
return clone.Model(value).UpdateColumn("position", gorm.Expr("position + ?", results.RowsAffected)).Error
}
} else if pos < 0 {
if results := clone.Model(newModel(value)).
Where("position < ? AND position >= ?", currentPos, currentPos+pos).
UpdateColumn("position", gorm.Expr("position + ?", 1)); results.Error == nil {
value.SetPosition(currentPos - int(results.RowsAffected))
return clone.Model(value).UpdateColumn("position", gorm.Expr("position - ?", results.RowsAffected)).Error
}
}
return nil
}
func moveDeviceByID(fromReportItemID uint, toHolderId uint, toHolderType string, quantity int) (err error) {
var d Device
var cdIn ClientDeviceIn
var from, to DeviceHolder
from, to, d, cdIn, _, _ = fromToDevice(fromReportItemID, toHolderId, toHolderType)
var fromRi, toRi *ReportItem
var fcount = 0
if from != nil {
fromRi, err = getOrCreateReportItem(from, &d, &cdIn, 0)
if err != nil {
log.Println(err)
return
}
fcount = fromRi.Count - quantity
}
tcount := 0
if to != nil {
toRi, err = getOrCreateReportItem(to, &d, &cdIn, 0)
if err != nil {
log.Println(err)
return
}
tcount = toRi.Count + quantity
}
if fcount < 0 || tcount < 0 {
err = errors.New(fmt.Sprintf("数量输入有误"))
return
}
if from != nil {
err = DB.Model(&fromRi).Where("id = ?", fromRi.ID).UpdateColumn("count", gorm.Expr("count - ?", quantity)).Error
if err != nil {
log.Println(err)
return
}
}
if to != nil {
err = DB.Model(&toRi).Where("id = ?", toRi.ID).UpdateColumn("count", gorm.Expr("count + ?", quantity)).Error
if err != nil {
log.Println(err)
return
}
}
return
}
func move(db *gorm.DB, value sortingInterface, pos int) (err error) {
var startedTransaction bool
var tx = db.Set("publish:publish_event", true)
if t := tx.Begin(); t.Error == nil {
startedTransaction = true
tx = t
}
scope := db.NewScope(value)
for _, field := range scope.PrimaryFields() {
if field.DBName != "id" {
tx = tx.Where(fmt.Sprintf("%s = ?", field.DBName), field.Field.Interface())
}
}
currentPos := value.GetPosition()
var results *gorm.DB
if pos > 0 {
results = tx.Model(newModel(value)).
Where("position > ? AND position <= ?", currentPos, currentPos+pos).
UpdateColumn("position", gorm.Expr("position - ?", 1))
} else {
results = tx.Model(newModel(value)).
Where("position < ? AND position >= ?", currentPos, currentPos+pos).
UpdateColumn("position", gorm.Expr("position + ?", 1))
}
if err = results.Error; err == nil {
var rowsAffected = int(results.RowsAffected)
if pos < 0 {
rowsAffected = -rowsAffected
}
value.SetPosition(currentPos + rowsAffected)
err = tx.Model(value).UpdateColumn("position", gorm.Expr("position + ?", rowsAffected)).Error
}
// Create Publish Event
createPublishEvent(tx, value)
if startedTransaction {
if err == nil {
tx.Commit()
} else {
tx.Rollback()
}
}
return err
}
func TestUpdateColumn(t *testing.T) {
product1 := Product{Code: "product1code", Price: 10}
product2 := Product{Code: "product2code", Price: 20}
DB.Save(&product1).Save(&product2).UpdateColumn(map[string]interface{}{"code": "product2newcode", "price": 100})
if product2.Code != "product2newcode" || product2.Price != 100 {
t.Errorf("product 2 should be updated with update column")
}
var product3 Product
DB.First(&product3, product1.Id)
if product3.Code != "product1code" || product3.Price != 10 {
t.Errorf("product 1 should not be updated")
}
DB.First(&product2, product2.Id)
updatedAt2 := product2.UpdatedAt
DB.Model(product2).UpdateColumn("code", "update_column_new")
var product4 Product
DB.First(&product4, product2.Id)
if updatedAt2.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should not be updated with update column")
}
DB.Model(&product4).UpdateColumn("price", gorm.Expr("price + 100 - 50"))
var product5 Product
DB.First(&product5, product4.Id)
if product5.Price != product4.Price+100-50 {
t.Errorf("UpdateColumn with expression")
}
if product5.UpdatedAt.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("UpdateColumn with expression should not update UpdatedAt")
}
}
func TestUpdates(t *testing.T) {
product1 := Product{Code: "product1code", Price: 10}
product2 := Product{Code: "product2code", Price: 10}
DB.Save(&product1).Save(&product2)
DB.Model(&product1).Updates(map[string]interface{}{"code": "product1newcode", "price": 100})
if product1.Code != "product1newcode" || product1.Price != 100 {
t.Errorf("Record should be updated also with map")
}
DB.First(&product1, product1.Id)
DB.First(&product2, product2.Id)
updatedAt1 := product1.UpdatedAt
updatedAt2 := product2.UpdatedAt
var product3 Product
DB.First(&product3, product1.Id).Updates(Product{Code: "product1newcode", Price: 100})
if product3.Code != "product1newcode" || product3.Price != 100 {
t.Errorf("Record should be updated with struct")
}
if updatedAt1.Format(time.RFC3339Nano) != product3.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should not be updated if nothing changed")
}
if DB.First(&Product{}, "code = ? and price = ?", product2.Code, product2.Price).RecordNotFound() {
t.Errorf("Product2 should not be updated")
}
if DB.First(&Product{}, "code = ?", "product1newcode").RecordNotFound() {
t.Errorf("Product1 should be updated")
}
DB.Table("products").Where("code in (?)", []string{"product2code"}).Updates(Product{Code: "product2newcode"})
if !DB.First(&Product{}, "code = 'product2code'").RecordNotFound() {
t.Errorf("Product2's code should be updated")
}
var product4 Product
DB.First(&product4, product2.Id)
if updatedAt2.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should be updated if something changed")
}
if DB.First(&Product{}, "code = ?", "product2newcode").RecordNotFound() {
t.Errorf("product2's code should be updated")
}
DB.Model(&product4).Updates(map[string]interface{}{"price": gorm.Expr("price + ?", 100)})
var product5 Product
DB.First(&product5, product4.Id)
if product5.Price != product4.Price+100 {
t.Errorf("Updates with expression")
}
if product5.UpdatedAt.Format(time.RFC3339Nano) == product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("Updates with expression should update UpdatedAt")
}
}
func (*PersonAddress) Add(handler gorm.JoinTableHandlerInterface, db *gorm.DB, foreignValue interface{}, associationValue interface{}) error {
return db.Where(map[string]interface{}{
"person_id": db.NewScope(foreignValue).PrimaryKeyValue(),
"address_id": db.NewScope(associationValue).PrimaryKeyValue(),
}).Assign(map[string]interface{}{
"person_id": foreignValue,
"address_id": associationValue,
"deleted_at": gorm.Expr("NULL"),
}).FirstOrCreate(&PersonAddress{}).Error
}
func getSequence(db gorm.DB) (uint64, error) {
tx := db.Begin()
if err := tx.Model(&Seq{}).Update("id", gorm.Expr("LAST_INSERT_ID(id + 1)")).Error; err != nil {
return 0, err
}
var id uint64
r := tx.Raw("SELECT LAST_INSERT_ID()").Row()
r.Scan(&id)
return id, nil
}
func TestSelectWithVariables(t *testing.T) {
DB.Save(&User{Name: "jinzhu"})
rows, _ := DB.Table("users").Select("? as fake", gorm.Expr("name")).Rows()
if !rows.Next() {
t.Errorf("Should have returned at least one row")
} else {
columns, _ := rows.Columns()
if !reflect.DeepEqual(columns, []string{"fake"}) {
t.Errorf("Should only contains one column")
}
}
}
func TestOrderAndPluck(t *testing.T) {
user1 := User{Name: "OrderPluckUser1", Age: 1}
user2 := User{Name: "OrderPluckUser2", Age: 10}
user3 := User{Name: "OrderPluckUser3", Age: 20}
DB.Save(&user1).Save(&user2).Save(&user3)
scopedb := DB.Model(&User{}).Where("name like ?", "%OrderPluckUser%")
var user User
scopedb.Order(gorm.Expr("name = ? DESC", "OrderPluckUser2")).First(&user)
if user.Name != "OrderPluckUser2" {
t.Errorf("Order with sql expression")
}
var ages []int64
scopedb.Order("age desc").Pluck("age", &ages)
if ages[0] != 20 {
t.Errorf("The first age should be 20 when order with age desc")
}
var ages1, ages2 []int64
scopedb.Order("age desc").Pluck("age", &ages1).Pluck("age", &ages2)
if !reflect.DeepEqual(ages1, ages2) {
t.Errorf("The first order is the primary order")
}
var ages3, ages4 []int64
scopedb.Model(&User{}).Order("age desc").Pluck("age", &ages3).Order("age", true).Pluck("age", &ages4)
if reflect.DeepEqual(ages3, ages4) {
t.Errorf("Reorder should work")
}
var names []string
var ages5 []int64
scopedb.Model(User{}).Order("name").Order("age desc").Pluck("age", &ages5).Pluck("name", &names)
if names != nil && ages5 != nil {
if !(names[0] == user1.Name && names[1] == user2.Name && names[2] == user3.Name && ages5[2] == 20) {
t.Errorf("Order with multiple orders")
}
} else {
t.Errorf("Order with multiple orders")
}
DB.Model(User{}).Select("name, age").Find(&[]User{})
}
func TestUpdate(t *testing.T) {
product1 := Product{Code: "product1code"}
product2 := Product{Code: "product2code"}
DB.Save(&product1).Save(&product2).Update("code", "product2newcode")
if product2.Code != "product2newcode" {
t.Errorf("Record should be updated")
}
DB.First(&product1, product1.Id)
DB.First(&product2, product2.Id)
updatedAt1 := product1.UpdatedAt
if DB.First(&Product{}, "code = ?", product1.Code).RecordNotFound() {
t.Errorf("Product1 should not be updated")
}
if !DB.First(&Product{}, "code = ?", "product2code").RecordNotFound() {
t.Errorf("Product2's code should be updated")
}
if DB.First(&Product{}, "code = ?", "product2newcode").RecordNotFound() {
t.Errorf("Product2's code should be updated")
}
DB.Table("products").Where("code in (?)", []string{"product1code"}).Update("code", "product1newcode")
var product4 Product
DB.First(&product4, product1.Id)
if updatedAt1.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should be updated if something changed")
}
if !DB.First(&Product{}, "code = 'product1code'").RecordNotFound() {
t.Errorf("Product1's code should be updated")
}
if DB.First(&Product{}, "code = 'product1newcode'").RecordNotFound() {
t.Errorf("Product should not be changed to 789")
}
if DB.Model(product2).Update("CreatedAt", time.Now().Add(time.Hour)).Error != nil {
t.Error("No error should raise when update with CamelCase")
}
if DB.Model(&product2).UpdateColumn("CreatedAt", time.Now().Add(time.Hour)).Error != nil {
t.Error("No error should raise when update_column with CamelCase")
}
var products []Product
DB.Find(&products)
if count := DB.Model(Product{}).Update("CreatedAt", time.Now().Add(2*time.Hour)).RowsAffected; count != int64(len(products)) {
t.Error("RowsAffected should be correct when do batch update")
}
DB.First(&product4, product4.Id)
updatedAt4 := product4.UpdatedAt
DB.Model(&product4).Update("price", gorm.Expr("price + ? - ?", 100, 50))
var product5 Product
DB.First(&product5, product4.Id)
if product5.Price != product4.Price+100-50 {
t.Errorf("Update with expression")
}
if product4.UpdatedAt.Format(time.RFC3339Nano) == updatedAt4.Format(time.RFC3339Nano) {
t.Errorf("Update with expression should update UpdatedAt")
}
}
func articleHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
sourceSlug := vars["source_slug"]
articleSlug := vars["article_slug"]
articleID := vars["article_id"]
logger.Info("[article] Find for: source_slug=%s, article_slug:%s, article_id:%s", sourceSlug, articleSlug, articleID)
var article SerializedArticle
if db.Select("url").Where(map[string]interface{}{"id": articleID, "slug": articleSlug, "source_slug": sourceSlug}).Limit(1).Find(&article).RecordNotFound() {
logger.Info("[article] Not found: source_slug=%s, article_slug:%s, article_id:%s", sourceSlug, articleSlug, articleID)
unknownHandler(w, r)
return
}
go db.Model(&article).Where(map[string]interface{}{"id": articleID, "slug": articleSlug, "source_slug": sourceSlug}).UpdateColumn("total_views", gorm.Expr("total_views + ?", 1))
http.Redirect(w, r, article.Url, 301)
}
func (s *DatabaseStorage) GiveOneVoteToAllAccounts() error {
log.Println("Giving vote to all accounts.")
return s.dbGorm.Model(&account.Account{}).UpdateColumn("vote_bank", gorm.Expr("vote_bank + ?", 1)).Error
}
func TestUpdate(t *testing.T) {
product := Product{Code: "Update", Name: "global"}
checkHasErr(t, dbGlobal.Create(&product).Error)
sharedDB := dbGlobal.Model(&Product{}).Where("id = ? AND code = ?", product.ID, "Update")
product.Name = "中文名"
checkHasErr(t, dbCN.Create(&product).Error)
checkHasProductInLocale(sharedDB.Where("name = ?", "中文名"), "zh", t)
product.Name = "English Name"
checkHasErr(t, dbEN.Create(&product).Error)
checkHasProductInLocale(sharedDB.Where("name = ?", "English Name"), "en", t)
product.Name = "新的中文名"
product.Code = "NewCode // should be ignored when update"
dbCN.Save(&product)
checkHasProductInLocale(sharedDB.Where("name = ?", "新的中文名"), "zh", t)
product.Name = "New English Name"
product.Code = "NewCode // should be ignored when update"
dbEN.Save(&product)
checkHasProductInLocale(sharedDB.Where("name = ?", "New English Name"), "en", t)
// Check sync columns with UpdateColumn
dbGlobal.Model(&Product{}).Where("id = ?", product.ID).UpdateColumns(map[string]interface{}{"quantity": gorm.Expr("quantity + ?", 2)})
var newGlobalProduct Product
var newENProduct Product
dbGlobal.Find(&newGlobalProduct, product.ID)
dbEN.Find(&newENProduct, product.ID)
if newGlobalProduct.Quantity != product.Quantity+2 || newENProduct.Quantity != product.Quantity+2 {
t.Errorf("should sync update columns results correctly")
}
// Check sync columns with Save
newGlobalProduct.Quantity = 5
dbGlobal.Save(&newGlobalProduct)
var newGlobalProduct2 Product
var newENProduct2 Product
dbGlobal.Find(&newGlobalProduct2, product.ID)
dbEN.Find(&newENProduct2, product.ID)
if newGlobalProduct2.Quantity != 5 || newENProduct2.Quantity != 5 {
t.Errorf("should sync update columns results correctly")
}
}
func increaseCount(record *Record) {
try(db.Model(record).Update("OpenCount", gorm.Expr("open_count + 1")).Error)
}
func (u *User) UpdateTraffic(storageSize int) error {
return client.db.Model(u).Where("id = ?", u.id).UpdateColumn("d", gorm.Expr("d + ?", storageSize)).UpdateColumn("t", time.Now().Unix()).Error
}
func (store *DataStore) addArticle(response http.ResponseWriter, section string, id int) {
fmt.Println("add")
tx := db.Begin()
var current Article
if tx.Where("id = ?", id).Find(¤t).RecordNotFound() {
tx.Create(&Article{Section: section})
} else {
tx.Table("articles").Where("sort_order > ?", current.SortOrder).Update("sort_order", gorm.Expr("sort_order + 1"))
tx.Create(&Article{Section: section, SortOrder: current.SortOrder + 1})
}
tx.Commit()
writeResponse(response)
}