ASP.NET-MVC-Study/BlazorApp/WebAPI/Migrations/20230828042927_book-review.cs

using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace WebAPI.Migrations
{
    /// <inheritdoc />
    public partial class bookreview : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Books",
                columns: table => new
                {
                    BookId = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Title = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    ISBN = table.Column<string>(type: "nvarchar(max)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Books", x => x.BookId);
                });

            migrationBuilder.CreateTable(
                name: "Reviews",
                columns: table => new
                {
                    ReviewId = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Context = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    BookId = table.Column<int>(type: "int", nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Reviews", x => x.ReviewId);
                    table.ForeignKey(
                        name: "FK_Reviews_Books_BookId",
                        column: x => x.BookId,
                        principalTable: "Books",
                        principalColumn: "BookId");
                });

            migrationBuilder.CreateIndex(
                name: "IX_Reviews_BookId",
                table: "Reviews",
                column: "BookId");
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "Reviews");

            migrationBuilder.DropTable(
                name: "Books");
        }
    }
}