/// <summary>
/// Serialize query results as collection of elements of type <typeparamref name="T"/>
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns>Query result</returns>
public IEnumerable <T> As <T>() where T : class
{
var p = _a.Promise <IEnumerable <T> >();
if (p is Containing <IEnumerable <T> > c)
{
return(c.Get(Sql.Hash(), _description));
}
IEnumerable <T> result;
var cq = _runtime.Tooling.Compile(Sql);
try
{
using (var t = _a.GetQueryTransaction())
{
result = _runtime.DoQuery <T>(cq.Query, cq.Parameters);
if (p is NotifyCompleted <IEnumerable <T> > nc)
{
nc.Fulfill($"{_description}. {cq.Query}");
}
t.Commit();
}
}
catch (Exception ex)
{
if (p is Catching <IEnumerable <T> > de)
{
de.Fulfill(ex, $"{_description}. {cq.Query}");
}
throw;
}
if (p is Demanding <IEnumerable <T> > d)
{
d.Fulfill(result, Sql.Hash(), _description);
}
return(result);
}