var s3Err APIErrorCode
	// Save credential values.
	signV4Values.Credential, s3Err = parseCredentialHeader(strings.TrimSpace(credElement), region, stype)
	if s3Err != ErrNone {
		return sv, s3Err
	}

	// Save signed headers.
	signV4Values.SignedHeaders, s3Err = parseSignedHeader(authFields[1])
	if s3Err != ErrNone {
		return sv, s3Err
	}

	// Save signature.

	user.Manager = &User{Name: "manager-belongs-to-association"}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Company").Preload("Manager").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	user.Company.Name += "new"
	user.Manager.Name += "new"
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	}

	user.Pets = []*Pet{{Name: "pet1"}, {Name: "pet2"}}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Pets").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	for _, pet := range user.Pets {
		pet.Name += "new"
	}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

func SaveBeforeAssociations(create bool) func(db *gorm.DB) {
	return func(db *gorm.DB) {
		if db.Error == nil && db.Statement.Schema != nil {
			selectColumns, restricted := db.Statement.SelectAndOmitColumns(create, !create)

			// Save Belongs To associations
			for _, rel := range db.Statement.Schema.Relationships.BelongsTo {
				if v, ok := selectColumns[rel.Name]; (ok && !v) || (!ok && restricted) {
					continue
				}

			if searchRE == nil || searchRE.MatchString(stackTrace) {
				ret[t] = append(ret[t], stackTrace)
			}
		case record:
			save(line)
		default:
			z := goroutinesRE.FindStringSubmatch(line)
			if len(z) == 3 {
				if z[2] != "" {
					a, _ := strconv.Atoi(z[2])
					t = time.Duration(a) * time.Minute
					save(line)
					record = true
				} else {
					skip = true
				}
			}
		}
	}

	return ret, nil
}

    @Nested
    @DisplayName("Modification Behavior")
    class ModificationBehaviorTests {

        @Test
        @DisplayName("should not save modifications to disk")
        void shouldNotSaveModificationsToDisk() {
            assertFalse(checkGoal.shouldSaveModifications(), "Check goal should not save modifications to disk");
        }
    }

    @Nested
    @DisplayName("Execution")
    class ExecutionTests {

        @Test

	DB.AutoMigrate(&Product{})

	p := Product{Code: "Invalid", Price: 100}
	if DB.Save(&p).Error == nil {
		t.Fatalf("An error from before create callbacks happened when create with invalid value")
	}

	if DB.Where("code = ?", "Invalid").First(&Product{}).Error == nil {
		t.Fatalf("Should not save record that have errors")
	}

	if DB.Save(&Product{Code: "dont_save", Price: 100}).Error == nil {

## Overview

* Full-Featured ORM
* Associations (Has One, Has Many, Belongs To, Many To Many, Polymorphism, Single-table inheritance)
* Hooks (Before/After Create/Save/Update/Delete/Find)
* Eager loading with `Preload`, `Joins`
* Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
* Context, Prepared Statement Mode, DryRun Mode
* Batch Insert, FindInBatches, Find To Map

		}
	}
}

func TestUpsertWithSave(t *testing.T) {
	langs := []Language{
		{Code: "upsert-save-1", Name: "Upsert-save-1"},
		{Code: "upsert-save-2", Name: "Upsert-save-2"},
	}

	if err := DB.Save(&langs).Error; err != nil {
		t.Errorf("Failed to create, got error %v", err)
	}

	for _, lang := range langs {
		var result Language

	child := Child{ParentID: &parent.ID, Parent: &parent}
	DB.Create(&child)

	parent.FavChildID = child.ID
	parent.FavChild = &child
	DB.Save(&parent)

	var parent1 Parent
	DB.First(&parent1, parent.ID)
	AssertObjEqual(t, parent, parent1, "ID", "FavChildID")

	// Save and Updates is the same
	DB.Updates(&parent)
	DB.First(&parent1, parent.ID)
	AssertObjEqual(t, parent, parent1, "ID", "FavChildID")
}