How to use flags enums in Linq to Entities queries?

Question

I have a [Flags] enum like this:

[Flags]
public enum Status
{
  None = 0,
  Active = 1,
  Inactive = 2,
  Unknown = 4
}

A Status enum may c

Answer 1

I don't know EF, but could inserting additional casts work?

var result = from r in db.Records
             where ((byte)r.Status & (byte)s) == (byte)r.Status
             select r