/// <summary>
/// Eager-loads a second-level projection of the specified queryable,
/// referencing a mapped child of the first eager-loaded child.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TRel">The type of the rel.</typeparam>
/// <typeparam name="TRel2">The type of the rel2.</typeparam>
/// <param name="queryable">The queryable.</param>
/// <param name="expression">The expression.</param>
/// <returns></returns>
public static IFetchRequest <T, TRel2> ThenFetchManyOk
<T, TRel, TRel2>(
this IFetchRequest <T, TRel> queryable,
Expression <Func <TRel, IEnumerable <TRel2> > > expression)
=>
queryable is QueryableFetchHelper <T, TRel>?
FetchHelper.CreateNonNH <T, TRel2>(queryable)
:
FetchHelper.Create(queryable.ThenFetchMany(expression));
/// <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> ThenEagerlyFetchMany
<T, TRel, TRel2>(
this IFetchRequest <T, TRel> queryable,
Expression <Func <TRel, IEnumerable <TRel2> > > expression)
{
if (queryable is QueryableFetchHelper <T, TRel> )
{
return(FetchHelper.CreateNonNH <T, TRel2>(queryable));
}
else
{
return(FetchHelper.Create(queryable.ThenFetchMany(expression)));
}
}