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Create Tables with Foreign Keys
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using System; | |
using ServiceStack; | |
using ServiceStack.Text; | |
using ServiceStack.OrmLite; | |
using ServiceStack.OrmLite.Sqlite; | |
using ServiceStack.DataAnnotations; | |
var dbFactory = new OrmLiteConnectionFactory(":memory:", SqliteDialect.Provider); | |
var db = dbFactory.Open(); | |
public class Artist | |
{ | |
public int Id { get; set; } | |
public string Name { get; set; } | |
} | |
public class Album | |
{ | |
public int Id { get; set; } | |
public string Name { get; set; } | |
[ForeignKey(typeof(Album), OnDelete = "CASCADE")] | |
public int ArtistId { get; set; } | |
} | |
public class Track | |
{ | |
public int Id { get; set; } | |
public string Name { get; set; } | |
[References(typeof(Album))] | |
public int AlbumId { get; set; } // db-agnostic attribute, generates FK to Artist | |
[ForeignKey(typeof(Artist), OnDelete = "CASCADE")] | |
public int ArtistId { get; set; } | |
} | |
db.CreateTable<Artist>(); | |
db.CreateTable<Album>(); | |
db.CreateTable<Track>(); //Order is important for tables with Foreign Keys | |
var createTableDefinition = db.GetLastSql(); | |
createTableDefinition.Print(); | |
db.Insert(new Artist { Id = 1, Name = "Nirvana" }); | |
db.Insert(new Album { Id = 2, Name = "Nevermind", ArtistId = 1 }); | |
db.Insert(new Track { Id = 3, Name = "Smells Like Teen Spirit", AlbumId = 2, ArtistId = 1 }); | |
var artist = db.SingleById<Artist>(1); | |
var album = db.SingleById<Album>(2); | |
var track = db.SingleById<Track>(3); | |
var artistTracksAndAlbum = new { artist, album, track }; | |
$"Artist, Album + Tracks: {artistTracksAndAlbum.Dump()}".Print(); |
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<?xml version="1.0" encoding="utf-8"?> | |
<packages> | |
<package id="System.Memory" version="4.5.4" targetFramework="net45" /> | |
<package id="ServiceStack.Text" version="5.10.0" targetFramework="net45" /> | |
<package id="ServiceStack.Client" version="5.10.0" targetFramework="net45" /> | |
<package id="ServiceStack.Common" version="5.10.0" targetFramework="net45" /> | |
<package id="ServiceStack.Interfaces" version="5.10.0" targetFramework="net45" /> | |
<package id="ServiceStack.OrmLite" version="5.10.0" targetFramework="net45" /> | |
<package id="ServiceStack.OrmLite.Sqlite.Windows" version="5.10.0" targetFramework="net45" /> | |
</packages> |
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