Updated the demo code to reproduce the issue #21.

Author: msallin

SQLite.CodeFirst.Console/Entity/Coach.cs

@@ -0,0 +1,7 @@
+namespace SQLite.CodeFirst.Console.Entity
+{
+    public class Coach : Person
+    {
+        public virtual Team Team { get; set; }
+    }
+}

SQLite.CodeFirst.Console/Entity/Person.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace SQLite.CodeFirst.Console.Entity
+{
+    public abstract class Person : IEntity
+    {
+        public int Id { get; set; }
+
+        [MaxLength(50)]
+        public string FirstName { get; set; }
+
+        [MaxLength(50)]
+        public string LastName { get; set; }
+
+        [MaxLength(100)]
+        public string Street { get; set; }
+
+        [Required]
+        public string City { get; set; }
+    }
+}

SQLite.CodeFirst.Console/Entity/Player.cs

@@ -1,26 +1,12 @@
-using System.ComponentModel.DataAnnotations;
-using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations.Schema;
 
 namespace SQLite.CodeFirst.Console.Entity
 {
     [Table("TeamPlayer")]
-    public class Player : IEntity
+    public class Player : Person
     {
-        public int Id { get; set; }
-
-        [Index] // Automatically named 'IX_TeamPlayer_FirstName'
-        [MaxLength(50)]
-        public string FirstName { get; set; }
-
-        [Index("IX_TeamPlayer_LN")] // Test for named index
-        [MaxLength(50)]
-        public string LastName { get; set; }
-
-        [MaxLength(100)]
-        public string Street { get; set; }
-
-        [Required]
-        public string City { get; set; }
+        [Index] // Automatically named 'IX_TeamPlayer_Number'
+        public int Number { get; set; }
 
         public virtual Team Team { get; set; }
     }

SQLite.CodeFirst.Console/Entity/Stadion.cs

@@ -8,7 +8,7 @@ public class Stadion
         [Key]
         [Column(Order = 1)]
         [Index("IX_Stadion_Main", Order = 2)] // Test for combined, named index
-		public string Name { get; set; }
+        public string Name { get; set; }
 
         [Key]
         [Column(Order = 2)]

SQLite.CodeFirst.Console/Entity/Team.cs

@@ -1,15 +1,19 @@
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 
 namespace SQLite.CodeFirst.Console.Entity
 {
     public class Team : IEntity
     {
         public int Id { get; set; }
 
+        [Index("IX_Team_TeamsName")] // Test for named index.
         [Required]
         public string Name { get; set; }
 
+        public virtual Coach Coach { get; set; }
+
         public virtual ICollection<Player> Players { get; set; }
 
         public virtual Stadion Stadion { get; set; }

SQLite.CodeFirst.Console/FootballDbContext.cs

@@ -29,13 +29,26 @@ protected override void OnModelCreating(DbModelBuilder modelBuilder)
         private static void ConfigureTeamEntity(DbModelBuilder modelBuilder)
         {
             modelBuilder.Entity<Team>();
+
+            modelBuilder.Entity<Team>()
+                .HasOptional(p => p.Coach)
+                .WithMany()
+                .WillCascadeOnDelete(false);
         }
 
         private static void ConfigureStadionEntity(DbModelBuilder modelBuilder)
         {
             modelBuilder.Entity<Stadion>();
         }
 
+        private static void ConfigureCoachEntity(DbModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<Coach>()
+                .HasRequired(p => p.Team)
+                .WithMany()
+                .WillCascadeOnDelete(true);
+        }
+
         private static void ConfigurePlayerEntity(DbModelBuilder modelBuilder)
         {
             modelBuilder.Entity<Player>()
@@ -48,28 +61,38 @@ private static void ConfigurePlayerEntity(DbModelBuilder modelBuilder)
     public class FootballDbInitializer : SqliteDropCreateDatabaseAlways<FootballDbContext>
     {
         public FootballDbInitializer(DbModelBuilder modelBuilder)
-            : base(modelBuilder) { }
+            : base(modelBuilder)
+        { }
 
         protected override void Seed(FootballDbContext context)
         {
             context.Set<Team>().Add(new Team
             {
                 Name = "YB",
+                Coach = new Coach
+                {
+                    City = "Zürich",
+                    FirstName = "Masssaman",
+                    LastName = "Nachn",
+                    Street = "Testingstreet 844"
+                },
                 Players = new List<Player>
                 {
                     new Player
                     {
                         City = "Bern",
                         FirstName = "Marco",
                         LastName = "Bürki",
-                        Street = "Wunderstrasse 43"
+                        Street = "Wunderstrasse 43",
+                        Number = 12
                     },
                     new Player
                     {
                         City = "Berlin",
                         FirstName = "Alain",
                         LastName = "Rochat",
-                        Street = "Wonderstreet 13"
+                        Street = "Wonderstreet 13",
+                        Number = 14
                     }
                 },
                 Stadion = new Stadion

SQLite.CodeFirst.Console/Program.cs

@@ -41,10 +41,19 @@ private static void DisplaySeededData(FootballDbContext context)
                 System.Console.WriteLine("\t\t City: {0}", team.Stadion.City);
                 System.Console.WriteLine();
 
+                System.Console.WriteLine("\t\t Coach:");
+                System.Console.WriteLine("\t\t Id: {0}", team.Coach.Id);
+                System.Console.WriteLine("\t\t FirstName: {0}", team.Coach.FirstName);
+                System.Console.WriteLine("\t\t LastName: {0}", team.Coach.LastName);
+                System.Console.WriteLine("\t\t Street: {0}", team.Coach.Street);
+                System.Console.WriteLine("\t\t City: {0}", team.Coach.City);
+                System.Console.WriteLine();
+
                 foreach (var player in team.Players)
                 {
                     System.Console.WriteLine("\t\t Player:");
                     System.Console.WriteLine("\t\t Id: {0}", player.Id);
+                    System.Console.WriteLine("\t\t Number: {0}", player.Number);
                     System.Console.WriteLine("\t\t FirstName: {0}", player.FirstName);
                     System.Console.WriteLine("\t\t LastName: {0}", player.LastName);
                     System.Console.WriteLine("\t\t Street: {0}", player.Street);

SQLite.CodeFirst.Console/SQLite.CodeFirst.Console.csproj

@@ -62,7 +62,9 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Entity\Coach.cs" />
     <Compile Include="Entity\IEntity.cs" />
+    <Compile Include="Entity\Person.cs" />
     <Compile Include="Entity\Player.cs" />
     <Compile Include="Entity\Stadion.cs" />
     <Compile Include="Entity\Team.cs" />