/// <summary>
/// Eager-loads a projection of the specified queryable,
/// referencing a mapped child object.
/// </summary>
public static IFetchRequest <T, TRel> EagerlyFetchMany <T, TRel>(
this IQueryable <T> queryable,
Expression <Func <T, IEnumerable <TRel> > > expression)
{
if (queryable is QueryableBase <T> )
{
return(FetchHelper.Create(queryable.FetchMany(expression)));
}
else
{
return(FetchHelper.CreateNonNH <T, TRel>(queryable));
}
}
/// <summary>
/// Eager-loads a second-level projection of the specified queryable,
/// referencing a mapped child of the first eager-loaded child.
/// </summary>
public static IFetchRequest <T, TRel2> ThenEagerlyFetch <T, TRel, TRel2>(
this IFetchRequest <T, TRel> queryable,
Expression <Func <TRel, TRel2> > expression)
{
if (queryable is QueryableFetchHelper <T, TRel> )
{
return(FetchHelper.CreateNonNH <T, TRel2>(queryable));
}
else
{
return(FetchHelper.Create(queryable.ThenFetch(expression)));
}
}