t.Fatalf("expects 1 relations, but got %v", len(userSchema.Relationships.Relations))
	}

	if createdByRel, ok := userSchema.Relationships.Relations["CreatedBy"]; ok {
		if createdByRel.FieldSchema != userSchema {
			t.Fatalf("expects same field schema, but got new %p, old %p", createdByRel.FieldSchema, userSchema)
		}
	} else {
		t.Fatalf("expects created by relations, but not found")
	}
}

	user := *GetUser("create", Config{})

	if results := DB.Create(&user); results.Error != nil {
		t.Fatalf("errors happened when create: %v", results.Error)
	} else if results.RowsAffected != 1 {
		t.Fatalf("rows affected expects: %v, got %v", 1, results.RowsAffected)
	}

	if user.ID == 0 {
		t.Errorf("user's primary key should has value after create, got : %v", user.ID)
	}

	if user.CreatedAt.IsZero() {

			t.Errorf("invalid price for product #%v, expects: %v, got %v", idx, value, products[idx].Price)
		}
	}

	DB.Model(&products).Update("Name", "product-name")

	// will set all product's price to last product's price + 10
	for idx, value := range []int64{410, 410, 410} {
		if products[idx].Price != value {
			t.Errorf("invalid price for product #%v, expects: %v, got %v", idx, value, products[idx].Price)
		}
	}

		t.Fatalf("member id is not equal: expects: %v, got: %v", profile.Refer, member.ProfileID)
	}

	DB.Model(&profile).Update("Refer", 100)

	var member2 Member
	if err := DB.First(&member2, "id = ?", member.ID).Error; err != nil {
		t.Fatalf("failed to find member, got error: %v", err)
	} else if member2.ProfileID != 100 {
		t.Fatalf("member id is not equal: expects: %v, got: %v", 100, member2.ProfileID)
	}

	result := DB.Dialector.Explain(stmt.SQL.String(), stmt.Vars...)
	expects := DB.Dialector.Explain(execStmt.SQL.String(), execStmt.Vars...)

	if !strings.HasSuffix(result, expects) {
		t.Errorf("expects: %v, got %v", expects, result)
	}

	stmt2 := dryRunDB.Where(
		DB.Scopes(NameIn1And2),
	).Or(