feat(example-models): make owner optional on todo item

Author: jaredcnance

src/JsonApiDotNetCoreExample/Migrations/20170228175630_MakeOwnerOptionalOnTodoItems.Designer.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace JsonApiDotNetCoreExample.Migrations
+{
+    public partial class MakeOwnerOptionalOnTodoItems : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_TodoItems_People_OwnerId",
+                table: "TodoItems");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "OwnerId",
+                table: "TodoItems",
+                nullable: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_TodoItems_People_OwnerId",
+                table: "TodoItems",
+                column: "OwnerId",
+                principalTable: "People",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Restrict);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_TodoItems_People_OwnerId",
+                table: "TodoItems");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "OwnerId",
+                table: "TodoItems",
+                nullable: false);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_TodoItems_People_OwnerId",
+                table: "TodoItems",
+                column: "OwnerId",
+                principalTable: "People",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}