EF7コードファーストは、外部キーの削除と再作成を続ける

Question

「ApplicationDbContextの保留中のモデルの変更があります」という通知が常に出されています。生成されている移行は、外部キーの束をドロップし、それらを再作成するためだけに表示されます。私は実行する必要が合法的な移行を持っている場合でも、これらの外部キーは+ドロップ再作成され

public partial class MysteryMigration : Migration 
{ 
    protected override void Up(MigrationBuilder migrationBuilder) 
    { 
     migrationBuilder.DropForeignKey(name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId", table: "AspNetRoleClaims"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserClaim<string>_User_UserId", table: "AspNetUserClaims"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserLogin<string>_User_UserId", table: "AspNetUserLogins"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_IdentityRole_RoleId", table: "AspNetUserRoles"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_User_UserId", table: "AspNetUserRoles"); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId", 
      table: "AspNetRoleClaims", 
      column: "RoleId", 
      principalTable: "AspNetRoles", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Cascade); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserClaim<string>_User_UserId", 
      table: "AspNetUserClaims", 
      column: "UserId", 
      principalTable: "AspNetUsers", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Cascade); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserLogin<string>_User_UserId", 
      table: "AspNetUserLogins", 
      column: "UserId", 
      principalTable: "AspNetUsers", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Cascade); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserRole<string>_IdentityRole_RoleId", 
      table: "AspNetUserRoles", 
      column: "RoleId", 
      principalTable: "AspNetRoles", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Cascade); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserRole<string>_User_UserId", 
      table: "AspNetUserRoles", 
      column: "UserId", 
      principalTable: "AspNetUsers", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Cascade); 
    } 

    protected override void Down(MigrationBuilder migrationBuilder) 
    { 
     migrationBuilder.DropForeignKey(name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId", table: "AspNetRoleClaims"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserClaim<string>_User_UserId", table: "AspNetUserClaims"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserLogin<string>_User_UserId", table: "AspNetUserLogins"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_IdentityRole_RoleId", table: "AspNetUserRoles"); 
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_User_UserId", table: "AspNetUserRoles"); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId", 
      table: "AspNetRoleClaims", 
      column: "RoleId", 
      principalTable: "AspNetRoles", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Restrict); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserClaim<string>_User_UserId", 
      table: "AspNetUserClaims", 
      column: "UserId", 
      principalTable: "AspNetUsers", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Restrict); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserLogin<string>_User_UserId", 
      table: "AspNetUserLogins", 
      column: "UserId", 
      principalTable: "AspNetUsers", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Restrict); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserRole<string>_IdentityRole_RoleId", 
      table: "AspNetUserRoles", 
      column: "RoleId", 
      principalTable: "AspNetRoles", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Restrict); 
     migrationBuilder.AddForeignKey(
      name: "FK_IdentityUserRole<string>_User_UserId", 
      table: "AspNetUserRoles", 
      column: "UserId", 
      principalTable: "AspNetUsers", 
      principalColumn: "Id", 
      onDelete: ReferentialAction.Restrict); 
    } 
} 

：以下は、私は、DBの変更を加えていないましたが、このメッセージを持っていた1の例です。私はMicrosoft.AspNet.Identity.EntityFramework3.0.0-rc1-finalを使用しています。

誰にもこれがどうして起こっているのか、私はそれをどのように終わらせることができますか？

Answer 1

謝罪、私はこれを投稿した後に検索した次のことはいつものように答えが上がった！ここ

重複質問："ef migrations add" always recreates foreign keys in the new migration

は、基本的にはRC1の問題だと今後のRC2で修正される予定