protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropIndex(
name: "UserNameIndex",
table: "AspNetUsers");
migrationBuilder.DropIndex(
name: "IX_AspNetUserRoles_UserId",
table: "AspNetUserRoles");
migrationBuilder.DropIndex(
name: "RoleNameIndex",
table: "AspNetRoles");
migrationBuilder.CreateIndex(
name: "UserNameIndex",
table: "AspNetUsers",
column: "NormalizedUserName",
unique: true,
filter: "[NormalizedUserName] IS NOT NULL");
migrationBuilder.CreateIndex(
name: "RoleNameIndex",
table: "AspNetRoles",
column: "NormalizedName",
unique: true,
filter: "[NormalizedName] IS NOT NULL");
migrationBuilder.AddForeignKey(
name: "FK_AspNetUserTokens_AspNetUsers_UserId",
table: "AspNetUserTokens",
column: "UserId",
principalTable: "AspNetUsers",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
}