81 lines
2.6 KiB
C#
81 lines
2.6 KiB
C#
using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace song_of_the_day.DataMigrations
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{
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/// <inheritdoc />
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public partial class explicitlymodellikedsongsrelationship : 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.DropForeignKey(
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name: "FK_Songs_Users_UserId",
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table: "Songs");
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migrationBuilder.DropIndex(
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name: "IX_Songs_UserId",
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table: "Songs");
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migrationBuilder.DropColumn(
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name: "UserId",
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table: "Songs");
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migrationBuilder.CreateTable(
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name: "LikedSongs",
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columns: table => new
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{
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SongId = table.Column<int>(type: "integer", nullable: false),
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UserId = table.Column<int>(type: "integer", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_LikedSongs", x => new { x.SongId, x.UserId });
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table.ForeignKey(
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name: "FK_LikedSongs_Songs_SongId",
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column: x => x.SongId,
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principalTable: "Songs",
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principalColumn: "SongId",
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onDelete: ReferentialAction.Cascade);
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table.ForeignKey(
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name: "FK_LikedSongs_Users_UserId",
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column: x => x.UserId,
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principalTable: "Users",
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principalColumn: "UserId",
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onDelete: ReferentialAction.Cascade);
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});
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migrationBuilder.CreateIndex(
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name: "IX_LikedSongs_UserId",
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table: "LikedSongs",
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column: "UserId");
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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: "LikedSongs");
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migrationBuilder.AddColumn<int>(
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name: "UserId",
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table: "Songs",
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type: "integer",
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nullable: true);
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migrationBuilder.CreateIndex(
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name: "IX_Songs_UserId",
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table: "Songs",
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column: "UserId");
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migrationBuilder.AddForeignKey(
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name: "FK_Songs_Users_UserId",
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table: "Songs",
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column: "UserId",
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principalTable: "Users",
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principalColumn: "UserId");
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}
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}
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}
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