--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UnitTests/Linq/IdlTest.mono.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using NUnit.Framework;
+
+namespace Data.Linq
+{
+	partial class IdlTest
+	{
+		partial class GenericQueryBase
+		{
+			protected IQueryable<IdlPatient> AllPatients2
+			{
+				get { return m_ds.Patients(); }
+			}
+		}
+
+		public class GenericConcatQuery1 : GenericQueryBase
+		{
+			private String @p1;
+			private Int32  @p2;
+
+			public GenericConcatQuery1(ITestDataContext ds, object[] args)
+				: base(ds)
+			{
+				@p1 = (String)args[0];
+				@p2 = (Int32) args[1];
+			}
+
+			public override IEnumerable<object> Query()
+			{
+				//return Queryable.Concat(
+				return Concat2(
+					from y in AllPersons select y.Name,
+					from x in AllPersons
+					from z in AllPatients
+					where (x.Name == @p1 || z.Id == new ObjectId { Value = @p2 })
+					select x.Name);
+			}
+		}
+
+		[Test]
+		public void TestMono03Mono()
+		{
+			ForMySqlProvider(
+				db => Assert.That(new GenericConcatQuery1(db, new object[] { "A", 1 }).Query().ToList(), Is.Not.Null));
+		}
+
+		public class GenericConcatJoinOrderQuery1 : GenericQueryBase
+		{
+			private String @p1;
+			private Int32 @p2;
+
+			public GenericConcatJoinOrderQuery1(ITestDataContext ds, object[] args)
+				: base(ds)
+			{
+				@p1 = (System.String)args[0];
+				@p2 = (System.Int32)args[1];
+			}
+
+			public override IEnumerable<object> Query()
+			{
+				return (from j in
+							//Queryable.Concat(
+							Concat2(
+								from y in AllPersons
+								select new { FirstName = y.Name },
+								from x in AllPersons
+								from z in AllPatients
+								where (x.Name == @p1 || z.Id == new ObjectId { Value = @p2 })
+								select new { FirstName = x.Name })
+						join g in AllGrandChilds on j.FirstName equals @p1
+						orderby g.ParentID.Value
+						select new { FirstName = g.ParentID.Value.ToString() });
+			}
+		}
+
+		[Test]
+		public void TestMono04Mono()
+		{
+			ForMySqlProvider(
+				db => Assert.That(new GenericConcatJoinOrderQuery1(db, new object[] { "A", 1 }).Query().ToList(), Is.Not.Null));
+		}
+	}
+}