Strange Performance issue after upgrading from 1.6.0.2 to 1.6.2

[pinchojasp]

Hi there,

I have a strange performance issue after upgrading to last version, using .NET Framework 4.8.
In the previous version, the second query takes 47 ms and now it takes more than 50 seconds.

Regards

class Demo
{
    public int ID { get; set; }
    public string Name { get; set; }
    public string Description { get; set; }
}

static void Main(string[] args)
{
    TestDynamic();
}

private static void TestDynamic()
{
    List<Demo> list = new List<Demo>();
    for (int i = 0; i < 100000; i++)
    {
        list.Add(new Demo { ID = i, Name = $"Name {i}", Description = $"Description {i}" });
    }
    var xTimeAll = System.Diagnostics.Stopwatch.StartNew();
    var query = list.AsQueryable().Select(typeof(Demo),"new { ID, Name }").AsEnumerable().ToList();
    Console.WriteLine($"Total First Query: {(int)xTimeAll.Elapsed.TotalMilliseconds}ms");
    /// Using Version 1.6.0.2 : Total First Query: 254ms
    /// Using Version 1.6.2.0 : Total First Query: 195ms
    xTimeAll.Restart();
    var results = query.AsQueryable().Select("ID").Cast<int>().ToList();
    Console.WriteLine($"Total Second Query: {(int)xTimeAll.Elapsed.TotalMilliseconds}ms");
    // Using Version 1.6.0.2 : Total Second Query: 47ms
    // Using Version 1.6.2.0 : Total Second Query: 54116ms
}

[StefH]

#922

[pinchojasp]

Wow! You solved it really quickly!
Thanks so much, @StefH !