mirror of https://github.com/go-gorm/gorm.git
add test to show that update from works
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3207ad6033
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@ -882,3 +882,52 @@ func TestSaveWithHooks(t *testing.T) {
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t.Errorf(`token content should be "token2_encrypted", but got: "%s"`, o2.Token.Content)
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}
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}
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// only postgres, sqlserver, sqlite support update from
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func TestUpdateFrom(t *testing.T) {
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if DB.Dialector.Name() != "postgres" && DB.Dialector.Name() != "sqlite" && DB.Dialector.Name() != "sqlserver" {
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return
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}
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users := []*User{
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GetUser("update-from-1", Config{Account: true}),
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GetUser("update-from-2", Config{Account: true}),
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GetUser("update-from-3", Config{}),
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}
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if err := DB.Create(&users).Error; err != nil {
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t.Fatalf("errors happened when create: %v", err)
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} else if users[0].ID == 0 {
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t.Fatalf("user's primary value should not zero, %v", users[0].ID)
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} else if users[0].UpdatedAt.IsZero() {
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t.Fatalf("user's updated at should not zero, %v", users[0].UpdatedAt)
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}
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if rowsAffected := DB.Model(&User{}).Clauses(clause.From{Tables: []clause.Table{{Name: "accounts"}}}).Where("accounts.user_id = users.id AND accounts.number = ? AND accounts.deleted_at IS NULL", users[0].Account.Number).Update("name", "franco").RowsAffected; rowsAffected != 1 {
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t.Errorf("should only update one record, but got %v", rowsAffected)
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}
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var result User
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if err := DB.Where("id = ?", users[0].ID).First(&result).Error; err != nil {
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t.Errorf("errors happened when query before user: %v", err)
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} else if result.UpdatedAt.UnixNano() == users[0].UpdatedAt.UnixNano() {
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t.Errorf("user's updated at should be changed, but got %v, was %v", result.UpdatedAt, users[0].UpdatedAt)
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} else if result.Name != "franco" {
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t.Errorf("user's name should be updated")
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}
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if rowsAffected := DB.Model(&User{}).Clauses(clause.From{Tables: []clause.Table{{Name: "accounts"}}}).Where("accounts.user_id = users.id AND accounts.number IN ? AND accounts.deleted_at IS NULL", []string{users[0].Account.Number, users[1].Account.Number}).Update("name", gorm.Expr("accounts.number")).RowsAffected; rowsAffected != 2 {
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t.Errorf("should update two records, but got %v", rowsAffected)
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}
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var results []User
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if err := DB.Preload("Account").Find(&results, []uint{users[0].ID, users[1].ID}).Error; err != nil {
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t.Errorf("Not error should happen when finding users, but got %v", err)
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}
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for _, user := range results {
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if user.Name != user.Account.Number {
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t.Errorf("user's name should be equal to the account's number %v, but got %v", user.Account.Number, user.Name)
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}
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}
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}
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