Migrations/20240314143151_InitialCreate.cs

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using Microsoft.EntityFrameworkCore.Migrations;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;

#nullable disable

namespace postgres1.Migrations
{
    /// <inheritdoc />
    public partial class InitialCreate : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Blogs",
                columns: table => new
                {
                    BlogId = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Url = table.Column<string>(type: "text", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Blogs", x => x.BlogId);
                });

            migrationBuilder.CreateTable(
                name: "Posts",
                columns: table => new
                {
                    PostId = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Title = table.Column<string>(type: "text", nullable: false),
                    Content = table.Column<string>(type: "text", nullable: false),
                    BlogId = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Posts", x => x.PostId);
                    table.ForeignKey(
                        name: "FK_Posts_Blogs_BlogId",
                        column: x => x.BlogId,
                        principalTable: "Blogs",
                        principalColumn: "BlogId",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Posts_BlogId",
                table: "Posts",
                column: "BlogId");
        }

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

            migrationBuilder.DropTable(
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