EF can you make a Mutli-column Index using shadow properties?

Question

I\'m trying to create a multi-column unique index using a shadow property. I know I can solve this problem with just adding a property, but I would like to see if this is po

Answer 1

It's possible. You can simply use the HasIndex overload with params string[] propertyNames.

First make sure the shadow property is defined:

modelBuilder.Entity<AlbumTrack>()
    .Property<int>("AlbumId");

and then define the index:

modelBuilder.Entity<AlbumTrack>()
    .HasIndex("TrackNumber", "AlbumId")
    .IsUnique();