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com.github.aselab.activerecord.ActiveRecord を継承したケースクラスと, そのモデル型をパラメータに取る com.github.aselab.activerecord.ActiveRecordCompanion[T] 型の コンパニオンオブジェクトを定義します.
com.github.aselab.activerecord.ActiveRecord
com.github.aselab.activerecord.ActiveRecordCompanion[T]
package models import com.github.aselab.activerecord._ case class User(name: String, age: Int) extends ActiveRecord object User extends ActiveRecordCompanion[User]
上記の User モデルを使用して, 基本的なCRUD操作を行う例を示します.
User
User("you", 15).save
User.findBy("name", "you").head // => User("you", 15) User.findBy("name", "you").headOption // => Some(User("you", 15)) User.findBy("name", "me").headOption // => None User.findBy("age", 15).toList // => List(User("you", 15)) User.findBy(("name", "you"), ("age", 15)).headOption // => Some(User("you", 15)) User.where(_.age gte 10).toList // => List(User("you", 15)) User.all.toList // => List(User("you", 15))
val user = User.findBy("name", "you").head user.name = "new_user" user.age = 21 user.save
// Delete single user val user = User.all.head user.delete // Delete all users User.deleteAll
pending