95 lines
3.7 KiB
C#
95 lines
3.7 KiB
C#
using System;
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using Microsoft.EntityFrameworkCore.Migrations;
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using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
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#nullable disable
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namespace BookDatabaseImplement.Migrations
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{
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/// <inheritdoc />
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public partial class InitMig : Migration
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{
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/// <inheritdoc />
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.CreateTable(
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name: "Books",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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Title = table.Column<string>(type: "text", nullable: false),
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BookType = table.Column<string>(type: "text", nullable: false),
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Annotation = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Books", x => x.Id);
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});
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migrationBuilder.CreateTable(
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name: "Readers",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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Name = table.Column<string>(type: "text", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Readers", x => x.Id);
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});
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migrationBuilder.CreateTable(
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name: "Histories",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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BookId = table.Column<int>(type: "integer", nullable: false),
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ReaderId = table.Column<int>(type: "integer", nullable: false),
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DateBorrowed = table.Column<DateTime>(type: "timestamp without time zone", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Histories", x => x.Id);
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table.ForeignKey(
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name: "FK_Histories_Books_BookId",
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column: x => x.BookId,
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principalTable: "Books",
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principalColumn: "Id",
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onDelete: ReferentialAction.Cascade);
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table.ForeignKey(
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name: "FK_Histories_Readers_ReaderId",
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column: x => x.ReaderId,
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principalTable: "Readers",
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principalColumn: "Id",
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onDelete: ReferentialAction.Cascade);
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});
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migrationBuilder.CreateIndex(
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name: "IX_Histories_BookId",
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table: "Histories",
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column: "BookId");
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migrationBuilder.CreateIndex(
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name: "IX_Histories_ReaderId",
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table: "Histories",
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column: "ReaderId");
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}
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/// <inheritdoc />
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropTable(
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name: "Histories");
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migrationBuilder.DropTable(
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name: "Books");
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migrationBuilder.DropTable(
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name: "Readers");
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}
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}
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}
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