Program.cs

using ConsoleAppEF2.Database;
using Microsoft.EntityFrameworkCore;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Dynamic.Core;
using System.Linq.Dynamic.Core.CustomTypeProviders;

namespace ConsoleAppEF2
{
    class Program
    {
        class User
        {
            public string Name { get; set; }

            public string GetDisplayName(bool a, bool b, bool c)
            {
                return Name + "GetDisplayName";
            }
        }

        class C : AbstractDynamicLinqCustomTypeProvider, IDynamicLinkCustomTypeProvider
        {
            public HashSet<Type> GetCustomTypes()
            {
                var assemblies = AppDomain.CurrentDomain.GetAssemblies();

                var set = new HashSet<Type>(FindTypesMarkedWithDynamicLinqTypeAttribute(assemblies))
                {
                    typeof(TestContext)
                };

                return set;
            }

            public Type ResolveType(string typeName)
            {
                var assemblies = AppDomain.CurrentDomain.GetAssemblies();

                return ResolveType(assemblies, typeName);
            }

            public Type ResolveTypeBySimpleName(string typeName)
            {
                var assemblies = AppDomain.CurrentDomain.GetAssemblies();
                return ResolveTypeBySimpleName(assemblies, typeName);
            }
        }

        private static IQueryable GetQueryable()
        {
            var random = new Random((int)DateTime.Now.Ticks);

            var x = Enumerable.Range(0, 10).Select(i => new
            {
                Id = i,
                Value = random.Next(),
            });

            return x.AsQueryable().Select("new (it as Id, @0 as Value)", random.Next());
            // return x.AsQueryable(); //x.AsQueryable().Select("new (Id, Value)");
        }

        static void Main(string[] args)
        {
            IQueryable qry = GetQueryable();

            var result = qry.Select("it").OrderBy("Value");
            try
            {
                Console.WriteLine("result {0}", JsonConvert.SerializeObject(result, Formatting.Indented));
            }
            catch (Exception)
            {
                // Console.WriteLine(e);
            }

            var all = new
            {
                test1 = new List<int> { 1, 2, 3 }.ToDynamicList(typeof(int)),
                test2 = new List<dynamic> { 4, 5, 6 }.ToDynamicList(typeof(int)),
                test3 = new List<object> { 7, 8, 9 }.ToDynamicList(typeof(int))
            };
            Console.WriteLine("all {0}", JsonConvert.SerializeObject(all, Formatting.Indented));

            var projects = new[]
            {
                new { UserShares = new [] { new User { Name  = "John" } } }
            }.AsQueryable();

            var filter = "UserShares.Any(GetDisplayName(true,true,false).Contains(\"John\"))";
            var filtered = projects.Where(filter);
            Console.WriteLine("filtered {0}", JsonConvert.SerializeObject(filtered, Formatting.Indented));

            var config = new ParsingConfig
            {
                CustomTypeProvider = new C()
            };

            var dateLastModified = new DateTime(2018, 1, 15);

            var context = new TestContext();
            context.Cars.Add(new Car { Brand = "Ford", Color = "Blue", Vin = "yes", Year = "2017", DateLastModified = dateLastModified });
            context.Cars.Add(new Car { Brand = "Fiat", Color = "Red", Vin = "yes", Year = "2016", DateLastModified = dateLastModified.AddDays(1) });
            context.Cars.Add(new Car { Brand = "Alfa", Color = "Black", Vin = "no", Year = "1979", DateLastModified = dateLastModified.AddDays(2) });
            context.Cars.Add(new Car { Brand = "Alfa", Color = "Black", Vin = "a%bc", Year = "1979", DateLastModified = dateLastModified.AddDays(3) });
            context.SaveChanges();

            var methodTest = context.Cars.Select("it.X(true, \"tst\").Contains(\"Blue\")");
            Console.WriteLine("methodTest {0}", JsonConvert.SerializeObject(methodTest, Formatting.Indented));

            var carSingleOrDefault = context.Cars.SingleOrDefault(config, "Brand = \"Ford\"");
            Console.WriteLine("carSingleOrDefault {0}", JsonConvert.SerializeObject(carSingleOrDefault, Formatting.Indented));

            try
            {
                context.Cars.SingleOrDefault(config, "Brand = \"Alfa\"");
            }
            catch (Exception e)
            {
                Console.WriteLine("Excepted : " + e);
            }

            var carDateLastModified = context.Cars.Where(config, "DateLastModified > \"2018-01-16\"");
            Console.WriteLine("carDateLastModified {0}", JsonConvert.SerializeObject(carDateLastModified, Formatting.Indented));

            var carFirstOrDefault = context.Cars.Where(config, "Brand == \"Ford\"");
            Console.WriteLine("carFirstOrDefault {0}", JsonConvert.SerializeObject(carFirstOrDefault, Formatting.Indented));

            var carsLike1 =
                from c in context.Cars
                where EF.Functions.Like(c.Brand, "%a%")
                select c;
            Console.WriteLine("carsLike1 {0}", JsonConvert.SerializeObject(carsLike1, Formatting.Indented));

            var cars2Like = context.Cars.Where(c => EF.Functions.Like(c.Brand, "%a%"));
            Console.WriteLine("cars2Like {0}", JsonConvert.SerializeObject(cars2Like, Formatting.Indented));

            var dynamicCarsLike1 = context.Cars.Where(config, "TestContext.Like(Brand, \"%a%\")");
            Console.WriteLine("dynamicCarsLike1 {0}", JsonConvert.SerializeObject(dynamicCarsLike1, Formatting.Indented));

            var dynamicCarsLike2 = context.Cars.Where(config, "TestContext.Like(Brand, \"%d%\")");
            Console.WriteLine("dynamicCarsLike2 {0}", JsonConvert.SerializeObject(dynamicCarsLike2, Formatting.Indented));

            var dynamicFunctionsLike1 = context.Cars.Where(config, "DynamicFunctions.Like(Brand, \"%a%\")");
            Console.WriteLine("dynamicFunctionsLike1 {0}", JsonConvert.SerializeObject(dynamicFunctionsLike1, Formatting.Indented));

            var dynamicFunctionsLike2 = context.Cars.Where(config, "DynamicFunctions.Like(Vin, \"%a.%b%\", \".\")");
            Console.WriteLine("dynamicFunctionsLike2 {0}", JsonConvert.SerializeObject(dynamicFunctionsLike2, Formatting.Indented));

            var testDynamic = context.Cars.Select(c => new
            {
                K = c.Key,
                C = c.Color
            });

            var testDynamicResult = testDynamic.Select("it").OrderBy("C");
            try
            {
                Console.WriteLine("resultX {0}", JsonConvert.SerializeObject(testDynamicResult, Formatting.Indented));
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
        }
    }
}