80 lines
2.5 KiB
C#
80 lines
2.5 KiB
C#
using Microsoft.EntityFrameworkCore.Migrations;
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using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
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#nullable disable
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namespace NexusReader.Data.Migrations
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{
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/// <inheritdoc />
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public partial class NormalizeAuthor : 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.DropColumn(
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name: "Author",
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table: "Ebooks");
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migrationBuilder.AddColumn<int>(
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name: "AuthorId",
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table: "Ebooks",
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type: "integer",
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nullable: false,
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defaultValue: 0);
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migrationBuilder.CreateTable(
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name: "Authors",
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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: "character varying(255)", maxLength: 255, nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Authors", x => x.Id);
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});
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migrationBuilder.CreateIndex(
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name: "IX_Ebooks_AuthorId",
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table: "Ebooks",
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column: "AuthorId");
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migrationBuilder.AddForeignKey(
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name: "FK_Ebooks_Authors_AuthorId",
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table: "Ebooks",
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column: "AuthorId",
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principalTable: "Authors",
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principalColumn: "Id",
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onDelete: ReferentialAction.Restrict);
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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.DropForeignKey(
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name: "FK_Ebooks_Authors_AuthorId",
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table: "Ebooks");
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migrationBuilder.DropTable(
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name: "Authors");
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migrationBuilder.DropIndex(
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name: "IX_Ebooks_AuthorId",
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table: "Ebooks");
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migrationBuilder.DropColumn(
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name: "AuthorId",
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table: "Ebooks");
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migrationBuilder.AddColumn<string>(
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name: "Author",
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table: "Ebooks",
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type: "character varying(255)",
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maxLength: 255,
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nullable: false,
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defaultValue: "");
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}
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}
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}
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