public void delete_post()
{
Config.EnsurePosts();
Assert.Equal(1, _db.DeleteFrom <Post>("id=@0", 4));
Assert.Null(_db.Get <Post>(4));
// Assert.Equal(9,_db.ExecuteScalar<int>("select count(*) from posts"));
}
public void delete_with_criteria()
{
var all = _db.Count <Post>();
_db.DeleteFrom <Post>(p => new[] { 1, 2 }.Contains(p.Id));
Assert.Equal(all - 2, _db.Count <Post>());
}