SUBD/RouteGuide/RouteGuideDatabaseImplement/Migrations/20230518162402_Initial.cs

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

#nullable disable

namespace RouteGuideDatabaseImplements.Migrations
{
    /// <inheritdoc />
    public partial class Initial : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Routes",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Name = table.Column<string>(type: "text", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Routes", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Stops",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Name = table.Column<string>(type: "text", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Stops", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "TransportTypes",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    Name = table.Column<string>(type: "text", nullable: false),
                    Price = table.Column<double>(type: "double precision", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_TransportTypes", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "RoutesStops",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    StopId = table.Column<int>(type: "integer", nullable: false),
                    RouteId = table.Column<int>(type: "integer", nullable: false),
                    Number = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_RoutesStops", x => x.Id);
                    table.ForeignKey(
                        name: "FK_RoutesStops_Routes_RouteId",
                        column: x => x.RouteId,
                        principalTable: "Routes",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_RoutesStops_Stops_StopId",
                        column: x => x.StopId,
                        principalTable: "Stops",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "Transports",
                columns: table => new
                {
                    Id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    DriverName = table.Column<string>(type: "text", nullable: false),
                    RouteId = table.Column<int>(type: "integer", nullable: false),
                    TransportTypeId = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Transports", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Transports_TransportTypes_TransportTypeId",
                        column: x => x.TransportTypeId,
                        principalTable: "TransportTypes",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_RoutesStops_RouteId",
                table: "RoutesStops",
                column: "RouteId");

            migrationBuilder.CreateIndex(
                name: "IX_RoutesStops_StopId",
                table: "RoutesStops",
                column: "StopId");

            migrationBuilder.CreateIndex(
                name: "IX_Transports_TransportTypeId",
                table: "Transports",
                column: "TransportTypeId");
        }

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

            migrationBuilder.DropTable(
                name: "Transports");

            migrationBuilder.DropTable(
                name: "Routes");

            migrationBuilder.DropTable(
                name: "Stops");

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