unique index auf user.name

ReallifeGamemode.Database/Migrations/20210405190220_UserNameUniqueIndex.cs

@@ -0,0 +1,23 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace ReallifeGamemode.Database.Migrations
+{
+    public partial class UserNameUniqueIndex : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_Users_Name",
+                table: "Users",
+                column: "Name",
+                unique: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Users_Name",
+                table: "Users");
+        }
+    }
+}

ReallifeGamemode.Database/Migrations/DatabaseContextModelSnapshot.cs

@@ -1463,6 +1463,9 @@ namespace ReallifeGamemode.Database.Migrations
 
                     b.HasIndex("HouseId");
 
+                    b.HasIndex("Name")
+                        .IsUnique();
+
                     b.ToTable("Users");
                 });