Select improvements and alias parsing.

Insert evolved.

DynamORM.Tests/Select/DynamicAccessTests.cs

@@ -436,6 +436,29 @@ namespace DynamORM.Tests.Select
             Assert.AreEqual(exp.last, o.last);
         }
 
+        /// <summary>Test dynamic duplicate column name ocurrance.</summary>
+        [Test]
+        public void TestDuplicateColumnNameException()
+        {
+            Assert.Throws<ArgumentException>(() => GetTestBuilder()
+                .Where(x => x.id == 19)
+                .Select(x => new { id = x.id, first = x.first, last = x.last })
+                .Select(x => x.last.As(x.first)) // Make last be first
+                .Execute()
+                .First());
+        }
+
+        [Test]
+        public void TestEmptyColumnName()
+        {
+            var v = GetTestBuilder()
+                .Select(x => x.first, x => x.Count(x.first))
+                .GroupBy(x => x.first)
+                .OrderBy(x => x.Desc(2))
+                .Execute()
+                .ToList();
+        }
+
         #endregion Select
 
         #region Where

DynamORM.Tests/Select/ParserTests.cs

@@ -482,6 +482,20 @@ namespace DynamORM.Tests.Select
             Assert.AreEqual("SELECT \"dbo\".\"Users\".\"UserName\" AS \"Name\" FROM \"dbo\".\"Users\"", cmd.CommandText());
         }
 
+        /// <summary>
+        /// Tests select field with alias.
+        /// </summary>
+        [Test]
+        public void TestSelectFieldAlias3()
+        {
+            IDynamicSelectQueryBuilder cmd = new DynamicSelectQueryBuilder(Database);
+
+            cmd.From(u => u.dbo.Users.As(u.u))
+                .Select(u => u.UserName.As(u.Name));
+
+            Assert.AreEqual("SELECT u.\"UserName\" AS \"Name\" FROM \"dbo\".\"Users\" AS u", cmd.CommandText());
+        }
+
         /// <summary>
         /// Tests select aggregate field with alias (Sum).
         /// </summary>

DynamORM.Tests/Select/TypedAccessTests.cs

@@ -38,7 +38,7 @@ namespace DynamORM.Tests.Select
     /// <summary>Test typed ORM.</summary>
     /// <typeparam name="T">Type to test.</typeparam>
     [TestFixture(typeof(users))]
-    public class TypedAccessTests<T> : TestsBase
+    public class TypedAccessTests<T> : TestsBase where T : class
     {
         /// <summary>Setup test parameters.</summary>
         [TestFixtureSetUp]
@@ -97,6 +97,18 @@ namespace DynamORM.Tests.Select
             Assert.AreEqual(200, list.Count);
         }
 
+        /// <summary>Test load all rows into mapped list alternate way.</summary>
+        [Test]
+        public virtual void TestTypedGetAll3()
+        {
+            var list = GetTestBuilder()
+                .From(x => x(typeof(T)).As(x.t))
+                .Execute<T>()
+                .ToList();
+
+            Assert.AreEqual(200, list.Count);
+        }
+
         /// <summary>Test unknown op.</summary>
         [Test]
         public virtual void TestTypedUnknownOperation()