added a view class wrapper for getting a list of table types

Author: kccarter76

SubSonic.Core.DataAccessLayer/src/CodeGenerator/GeneratorContext.cs

@@ -21,6 +21,7 @@ protected GeneratorContext(string connection, LogLevel logLevel)
         public ISubSonicSetCollection<Models.Table> Tables { get; protected set; }
         public ISubSonicSetCollection<Models.Column> Columns { get; protected set; }
         public ISubSonicSetCollection<Models.Relationship> Relationships { get; protected set; }
+        public ISubSonicSetCollection<Models.TableType> TableTypes { get; protected set; }
 
         protected override void OnDbConfiguring(DbContextOptionsBuilder builder)
         {

SubSonic.Core.DataAccessLayer/src/CodeGenerator/Models/TableType.cs

@@ -0,0 +1,24 @@
+using SubSonic.Attributes;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SubSonic.CodeGenerator.Models
+{
+    [DbView(Query = SqlQuery)]
+    public class TableType
+    {
+        public const string SqlQuery = @"select 
+	[Id] = CAST(tt.type_table_object_id as bigint),
+	[SchemaOwner] = s.[name],
+	[Name] = tt.[name]
+from sys.table_types tt
+	join sys.schemas s on s.schema_id = tt.schema_id
+where tt.is_table_type = 1
+	";
+
+        public long Id { get; set; }
+        public string SchemaOwner { get; set; }
+        public string Name { get; set; }
+    }
+}