//	// user -> User{Name: "jinzhu", Age: 20}
//
// [FirstOrCreate]: https://gorm.io/docs/advanced_query.html#FirstOrCreate
// [FirstOrInit]: https://gorm.io/docs/advanced_query.html#FirstOrInit
func (db *DB) Attrs(attrs ...interface{}) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.attrs = attrs
	return
}

// Assign provide attributes used in [FirstOrCreate] or [FirstOrInit]
//

			IsIntern: false,
		},
		CustomSerializerString: "world",
	}

	// first time insert record
	out := SerializerStruct{}
	if err := DB.Assign(data).FirstOrCreate(&out).Error; err != nil {
		t.Fatalf("failed to FirstOrCreate Assigned data, got error %v", err)
	}

	var result SerializerStruct
	if err := DB.First(&result, out.ID).Error; err != nil {
		t.Fatalf("failed to query data, got error %v", err)

	if len(tx.Statement.assigns) > 0 {
		tx.assignInterfacesToValue(tx.Statement.assigns...)
	}
	return
}

// FirstOrCreate finds the first matching record, otherwise if not found creates a new instance with given conds.
// Each conds must be a struct or map.
//
// Using FirstOrCreate in conjunction with Assign will result in an update to the database even if the record exists.
//

	}
	if err := DB.Create(&u2).Error; err != nil {
		t.Fatalf("create u2: %v", err)
	}
	l1 := Language{Code: "zz", Name: "ZZ"}
	l2 := Language{Code: "yy", Name: "YY"}
	DB.FirstOrCreate(&l1, "code = ?", l1.Code)
	DB.FirstOrCreate(&l2, "code = ?", l2.Code)
	if err := DB.Model(&u1).Association("Languages").Append(&l1, &l2); err != nil {
		t.Fatalf("append u1: %v", err)
	}