Merge branch 'AsyncCrud' of https://github.com/AdamAtDotNet/dapper-dot-net...

Merge branch 'AsyncCrud' of https://github.com/AdamAtDotNet/dapper-dot-net into AdamAtDotNet-AsyncCrud

Dapper - VS2012.sln

 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
-VisualStudioVersion = 12.0.30723.0
+VisualStudioVersion = 12.0.30324.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DapperTests NET40", "Tests\DapperTests NET40.csproj", "{A2A80512-11F4-4028-A995-505463632C84}"
 EndProject
@@ -44,6 +44,7 @@ EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dapper.Contrib NET45", "Dapper.Contrib NET45\Dapper.Contrib NET45.csproj", "{302EC82F-A81B-48C5-B653-B5C75D2BD103}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dapper.Rainbow NET45", "Dapper.Rainbow NET45\Dapper.Rainbow NET45.csproj", "{DB42428F-3C2B-4C9E-9B7A-5E43B53D6613}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dapper.Contrib.Tests NET45", "Dapper.Contrib.Tests NET45\Dapper.Contrib.Tests NET45.csproj", "{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -195,6 +196,16 @@ Global
 		{DB42428F-3C2B-4C9E-9B7A-5E43B53D6613}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
 		{DB42428F-3C2B-4C9E-9B7A-5E43B53D6613}.Release|Mixed Platforms.Build.0 = Release|Any CPU
 		{DB42428F-3C2B-4C9E-9B7A-5E43B53D6613}.Release|x86.ActiveCfg = Release|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}.Release|x86.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Dapper.Contrib NET45/Dapper.Contrib NET45.csproj

@@ -44,9 +44,7 @@
     <Compile Include="..\Dapper.Contrib\Properties\AssemblyInfo.cs">
       <Link>AssemblyInfo.cs</Link>
     </Compile>
-    <Compile Include="..\Dapper.Contrib\SqlMapperExtensions.cs">
-      <Link>SqlMapperExtensions.cs</Link>
-    </Compile>
+    <Compile Include="SqlMapperExtensions.cs" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Properties\" />

Dapper.Contrib NET45/SqlMapperExtensions.cs

+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Diagnostics;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Collections.Concurrent;
+using System.Reflection.Emit;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Runtime.CompilerServices;
+using Dapper;
+
+#pragma warning disable 1573, 1591 // xml comments
+
+namespace Dapper.Contrib.Extensions
+{
+
+    public static class SqlMapperExtensions
+    {
+        public interface IProxy
+        {
+            bool IsDirty { get; set; }
+        }
+
+        private static readonly ConcurrentDictionary<RuntimeTypeHandle, IEnumerable<PropertyInfo>> KeyProperties = new ConcurrentDictionary<RuntimeTypeHandle, IEnumerable<PropertyInfo>>();
+        private static readonly ConcurrentDictionary<RuntimeTypeHandle, IEnumerable<PropertyInfo>> TypeProperties = new ConcurrentDictionary<RuntimeTypeHandle, IEnumerable<PropertyInfo>>();
+		private static readonly ConcurrentDictionary<RuntimeTypeHandle, IEnumerable<PropertyInfo>> ComputedProperties = new ConcurrentDictionary<RuntimeTypeHandle, IEnumerable<PropertyInfo>>(); 
+        private static readonly ConcurrentDictionary<RuntimeTypeHandle, string> GetQueries = new ConcurrentDictionary<RuntimeTypeHandle, string>();
+        private static readonly ConcurrentDictionary<RuntimeTypeHandle, string> TypeTableName = new ConcurrentDictionary<RuntimeTypeHandle, string>();
+
+		private static readonly Dictionary<string, ISqlAdapter> AdapterDictionary = new Dictionary<string, ISqlAdapter>() {
+																							{"sqlconnection", new SqlServerAdapter()},
+																							{"npgsqlconnection", new PostgresAdapter()},
+																							{"sqliteconnection", new SQLiteAdapter()}
+																						};
+		private static IEnumerable<PropertyInfo> ComputedPropertiesCache(Type type)
+		{
+			IEnumerable<PropertyInfo> pi;
+			if (ComputedProperties.TryGetValue(type.TypeHandle, out pi))
+			{
+				return pi;
+			}
+
+			var computedProperties = TypePropertiesCache(type).Where(p => p.GetCustomAttributes(true).Any(a => a is ComputedAttribute)).ToList();
+
+			ComputedProperties[type.TypeHandle] = computedProperties;
+			return computedProperties;
+		}
+        private static IEnumerable<PropertyInfo> KeyPropertiesCache(Type type)
+        {
+
+            IEnumerable<PropertyInfo> pi;
+            if (KeyProperties.TryGetValue(type.TypeHandle,out pi))
+            {
+                return pi;
+            }
+
+            var allProperties = TypePropertiesCache(type);
+            var keyProperties = allProperties.Where(p => p.GetCustomAttributes(true).Any(a => a is KeyAttribute)).ToList();
+
+            if (keyProperties.Count == 0)
+            {
+                var idProp = allProperties.Where(p => p.Name.ToLower() == "id").FirstOrDefault();
+                if (idProp != null)
+                {
+                    keyProperties.Add(idProp);
+                }
+            }
+
+            KeyProperties[type.TypeHandle] = keyProperties;
+            return keyProperties;
+        }
+        private static IEnumerable<PropertyInfo> TypePropertiesCache(Type type)
+        {
+            IEnumerable<PropertyInfo> pis;
+            if (TypeProperties.TryGetValue(type.TypeHandle, out pis))
+            {
+                return pis;
+            }
+
+            var properties = type.GetProperties().Where(IsWriteable).ToArray();
+            TypeProperties[type.TypeHandle] = properties;
+            return properties;
+        }
+
+		public static bool IsWriteable(PropertyInfo pi)
+		{
+			object[] attributes = pi.GetCustomAttributes(typeof (WriteAttribute), false);
+			if (attributes.Length == 1)
+			{
+				WriteAttribute write = (WriteAttribute) attributes[0];
+				return write.Write;
+			}
+			return true;
+		}
+
+    	/// <summary>
+        /// Returns a single entity by a single id from table "Ts". T must be of interface type. 
+        /// Id must be marked with [Key] attribute.
+        /// Created entity is tracked/intercepted for changes and used by the Update() extension. 
+        /// </summary>
+        /// <typeparam name="T">Interface type to create and populate</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="id">Id of the entity to get, must be marked with [Key] attribute</param>
+        /// <returns>Entity of T</returns>
+        public static T Get<T>(this IDbConnection connection, dynamic id, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            var type = typeof(T);
+            string sql;
+            if (!GetQueries.TryGetValue(type.TypeHandle, out sql))
+            { 
+                var keys = KeyPropertiesCache(type);
+                if (keys.Count() > 1)
+                    throw new DataException("Get<T> only supports an entity with a single [Key] property");
+                if (keys.Count() == 0)
+                    throw new DataException("Get<T> only supports en entity with a [Key] property");
+
+                var onlyKey = keys.First();
+
+                var name = GetTableName(type);
+
+                // TODO: pluralizer 
+                // TODO: query information schema and only select fields that are both in information schema and underlying class / interface 
+                sql = "select * from " + name + " where " + onlyKey.Name + " = @id";
+                GetQueries[type.TypeHandle] = sql;
+            }
+           
+            var dynParms = new DynamicParameters();
+            dynParms.Add("@id", id);
+
+            T obj = null;
+
+            if (type.IsInterface)
+            {
+                var res = connection.Query(sql, dynParms).FirstOrDefault() as IDictionary<string, object>;
+
+                if (res == null)
+                    return (T)((object)null);
+
+                obj = ProxyGenerator.GetInterfaceProxy<T>();
+
+                foreach (var property in TypePropertiesCache(type))
+                {
+                    var val = res[property.Name];
+                    property.SetValue(obj, val, null);
+                }
+
+                ((IProxy)obj).IsDirty = false;   //reset change tracking and return
+            }
+            else
+            {
+                obj = connection.Query<T>(sql, dynParms, transaction: transaction, commandTimeout: commandTimeout).FirstOrDefault();
+            }
+            return obj;
+        }
+
+        /// <summary>
+        /// Returns a single entity by a single id from table "Ts" asynchronously using .NET 4.5 Task. T must be of interface type. 
+        /// Id must be marked with [Key] attribute.
+        /// Created entity is tracked/intercepted for changes and used by the Update() extension. 
+        /// </summary>
+        /// <typeparam name="T">Interface type to create and populate</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="id">Id of the entity to get, must be marked with [Key] attribute</param>
+        /// <returns>Entity of T</returns>
+        public static async Task<T> GetAsync<T>(this IDbConnection connection, dynamic id, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            var type = typeof(T);
+            string sql;
+            if (!GetQueries.TryGetValue(type.TypeHandle, out sql))
+            {
+                var keys = KeyPropertiesCache(type);
+                if (keys.Count() > 1)
+                    throw new DataException("Get<T> only supports an entity with a single [Key] property");
+                if (keys.Count() == 0)
+                    throw new DataException("Get<T> only supports en entity with a [Key] property");
+
+                var onlyKey = keys.First();
+
+                var name = GetTableName(type);
+
+                // TODO: pluralizer 
+                // TODO: query information schema and only select fields that are both in information schema and underlying class / interface 
+                sql = "select * from " + name + " where " + onlyKey.Name + " = @id";
+                GetQueries[type.TypeHandle] = sql;
+            }
+
+            var dynParms = new DynamicParameters();
+            dynParms.Add("@id", id);
+
+            T obj = null;
+
+            if (type.IsInterface)
+            {
+                var res = (await connection.QueryAsync<dynamic>(sql, dynParms)).FirstOrDefault() as IDictionary<string, object>;
+
+                if (res == null)
+                    return (T)((object)null);
+
+                obj = ProxyGenerator.GetInterfaceProxy<T>();
+
+                foreach (var property in TypePropertiesCache(type))
+                {
+                    var val = res[property.Name];
+                    property.SetValue(obj, val, null);
+                }
+
+                ((IProxy)obj).IsDirty = false;   //reset change tracking and return
+            }
+            else
+            {
+                obj = (await connection.QueryAsync<T>(sql, dynParms, transaction: transaction, commandTimeout: commandTimeout)).FirstOrDefault();
+            }
+            return obj;
+        }
+
+        private static string GetTableName(Type type)
+        {
+            string name;
+            if (!TypeTableName.TryGetValue(type.TypeHandle, out name))
+            {
+                name = type.Name + "s";
+                if (type.IsInterface && name.StartsWith("I"))
+                    name = name.Substring(1);
+              
+                //NOTE: This as dynamic trick should be able to handle both our own Table-attribute as well as the one in EntityFramework 
+                var tableattr = type.GetCustomAttributes(false).Where(attr => attr.GetType().Name == "TableAttribute").SingleOrDefault() as
+                    dynamic;
+                if (tableattr != null)
+                    name = tableattr.Name;
+                TypeTableName[type.TypeHandle] = name;
+            }
+            return name;
+        }
+        
+        /// <summary>
+        /// Inserts an entity into table "Ts" and returns identity id.
+        /// </summary>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="entityToInsert">Entity to insert</param>
+        /// <returns>Identity of inserted entity</returns>
+        public static long Insert<T>(this IDbConnection connection, T entityToInsert, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            
+            var type = typeof(T);
+
+            var name = GetTableName(type);
+
+            var sbColumnList = new StringBuilder(null);
+
+			var allProperties = TypePropertiesCache(type);
+            var keyProperties = KeyPropertiesCache(type);
+			var computedProperties = ComputedPropertiesCache(type);
+			var allPropertiesExceptKeyAndComputed = allProperties.Except(keyProperties.Union(computedProperties));
+
+            for (var i = 0; i < allPropertiesExceptKeyAndComputed.Count(); i++)
+            {
+                var property = allPropertiesExceptKeyAndComputed.ElementAt(i);
+				sbColumnList.AppendFormat("[{0}]", property.Name);
+                if (i < allPropertiesExceptKeyAndComputed.Count() - 1)
+					sbColumnList.Append(", ");
+            }
+
+			var sbParameterList = new StringBuilder(null);
+			for (var i = 0; i < allPropertiesExceptKeyAndComputed.Count(); i++)
+            {
+                var property = allPropertiesExceptKeyAndComputed.ElementAt(i);
+                sbParameterList.AppendFormat("@{0}", property.Name);
+                if (i < allPropertiesExceptKeyAndComputed.Count() - 1)
+                    sbParameterList.Append(", ");
+            }
+			ISqlAdapter adapter = GetFormatter(connection);
+			int id = adapter.Insert(connection, transaction, commandTimeout, name, sbColumnList.ToString(), sbParameterList.ToString(),  keyProperties, entityToInsert);
+			return id;
+        }
+
+        /// <summary>
+        /// Inserts an entity into table "Ts" asynchronously using .NET 4.5 Task and returns identity id.
+        /// </summary>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="entityToInsert">Entity to insert</param>
+        /// <returns>Identity of inserted entity</returns>
+        public static async Task<long> InsertAsync<T>(this IDbConnection connection, T entityToInsert, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+
+            var type = typeof(T);
+
+            var name = GetTableName(type);
+
+            var sbColumnList = new StringBuilder(null);
+
+            var allProperties = TypePropertiesCache(type);
+            var keyProperties = KeyPropertiesCache(type);
+            var computedProperties = ComputedPropertiesCache(type);
+            var allPropertiesExceptKeyAndComputed = allProperties.Except(keyProperties.Union(computedProperties));
+
+            for (var i = 0; i < allPropertiesExceptKeyAndComputed.Count(); i++)
+            {
+                var property = allPropertiesExceptKeyAndComputed.ElementAt(i);
+                sbColumnList.AppendFormat("[{0}]", property.Name);
+                if (i < allPropertiesExceptKeyAndComputed.Count() - 1)
+                    sbColumnList.Append(", ");
+            }
+
+            var sbParameterList = new StringBuilder(null);
+            for (var i = 0; i < allPropertiesExceptKeyAndComputed.Count(); i++)
+            {
+                var property = allPropertiesExceptKeyAndComputed.ElementAt(i);
+                sbParameterList.AppendFormat("@{0}", property.Name);
+                if (i < allPropertiesExceptKeyAndComputed.Count() - 1)
+                    sbParameterList.Append(", ");
+            }
+            ISqlAdapter adapter = GetFormatter(connection);
+            int id = await adapter.InsertAsync(connection, transaction, commandTimeout, name, sbColumnList.ToString(), sbParameterList.ToString(), keyProperties, entityToInsert);
+            return id;
+        }
+
+        /// <summary>
+        /// Updates entity in table "Ts", checks if the entity is modified if the entity is tracked by the Get() extension.
+        /// </summary>
+        /// <typeparam name="T">Type to be updated</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="entityToUpdate">Entity to be updated</param>
+        /// <returns>true if updated, false if not found or not modified (tracked entities)</returns>
+        public static bool Update<T>(this IDbConnection connection, T entityToUpdate, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            var proxy = entityToUpdate as IProxy;
+            if (proxy != null)
+            {
+                if (!proxy.IsDirty) return false;
+            }
+
+            var type = typeof(T);
+
+            var keyProperties = KeyPropertiesCache(type);
+            if (!keyProperties.Any())
+                throw new ArgumentException("Entity must have at least one [Key] property");
+
+            var name = GetTableName(type);
+
+            var sb = new StringBuilder();
+            sb.AppendFormat("update {0} set ", name);
+
+            var allProperties = TypePropertiesCache(type);
+            var computedProperties = ComputedPropertiesCache(type);
+            var nonIdProps = allProperties.Except(keyProperties.Union(computedProperties));
+
+            for (var i = 0; i < nonIdProps.Count(); i++)
+            {
+                var property = nonIdProps.ElementAt(i);
+                sb.AppendFormat("{0} = @{1}", property.Name, property.Name);
+                if (i < nonIdProps.Count() - 1)
+                    sb.AppendFormat(", ");
+            }
+            sb.Append(" where ");
+            for (var i = 0; i < keyProperties.Count(); i++)
+            {
+                var property = keyProperties.ElementAt(i);
+                sb.AppendFormat("{0} = @{1}", property.Name, property.Name);
+                if (i < keyProperties.Count() - 1)
+                    sb.AppendFormat(" and ");
+            }
+            var updated = connection.Execute(sb.ToString(), entityToUpdate, commandTimeout: commandTimeout, transaction: transaction);
+            return updated > 0;
+        }
+
+        /// <summary>
+        /// Updates entity in table "Ts" asynchronously using .NET 4.5 Task, checks if the entity is modified if the entity is tracked by the Get() extension.
+        /// </summary>
+        /// <typeparam name="T">Type to be updated</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="entityToUpdate">Entity to be updated</param>
+        /// <returns>true if updated, false if not found or not modified (tracked entities)</returns>
+        public static async Task<bool> UpdateAsync<T>(this IDbConnection connection, T entityToUpdate, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            var proxy = entityToUpdate as IProxy;
+            if (proxy != null)
+            {
+                if (!proxy.IsDirty) return false;
+            }
+
+            var type = typeof(T);
+
+            var keyProperties = KeyPropertiesCache(type);
+            if (!keyProperties.Any())
+                throw new ArgumentException("Entity must have at least one [Key] property");
+
+            var name = GetTableName(type);
+
+            var sb = new StringBuilder();
+            sb.AppendFormat("update {0} set ", name);
+
+            var allProperties = TypePropertiesCache(type);
+            var computedProperties = ComputedPropertiesCache(type);
+            var nonIdProps = allProperties.Except(keyProperties.Union(computedProperties));
+
+            for (var i = 0; i < nonIdProps.Count(); i++)
+            {
+                var property = nonIdProps.ElementAt(i);
+                sb.AppendFormat("{0} = @{1}", property.Name, property.Name);
+                if (i < nonIdProps.Count() - 1)
+                    sb.AppendFormat(", ");
+            }
+            sb.Append(" where ");
+            for (var i = 0; i < keyProperties.Count(); i++)
+            {
+                var property = keyProperties.ElementAt(i);
+                sb.AppendFormat("{0} = @{1}", property.Name, property.Name);
+                if (i < keyProperties.Count() - 1)
+                    sb.AppendFormat(" and ");
+            }
+            var updated = await connection.ExecuteAsync(sb.ToString(), entityToUpdate, commandTimeout: commandTimeout, transaction: transaction);
+            return updated > 0;
+        }
+
+        /// <summary>
+        /// Delete entity in table "Ts".
+        /// </summary>
+        /// <typeparam name="T">Type of entity</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="entityToDelete">Entity to delete</param>
+        /// <returns>true if deleted, false if not found</returns>
+        public static bool Delete<T>(this IDbConnection connection, T entityToDelete, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+			if (entityToDelete == null)
+				throw new ArgumentException("Cannot Delete null Object", "entityToDelete");
+
+            var type = typeof(T);
+
+            var keyProperties = KeyPropertiesCache(type);
+            if (keyProperties.Count() == 0)
+                throw new ArgumentException("Entity must have at least one [Key] property");
+
+            var name = GetTableName(type);
+
+            var sb = new StringBuilder();
+            sb.AppendFormat("delete from {0} where ", name);
+
+            for (var i = 0; i < keyProperties.Count(); i++)
+            {
+                var property = keyProperties.ElementAt(i);
+                sb.AppendFormat("{0} = @{1}", property.Name, property.Name);
+                if (i < keyProperties.Count() - 1)
+                    sb.AppendFormat(" and ");
+            }
+            var deleted = connection.Execute(sb.ToString(), entityToDelete, transaction: transaction, commandTimeout: commandTimeout);
+            return deleted > 0;
+        }
+
+        /// <summary>
+        /// Delete entity in table "Ts" asynchronously using .NET 4.5 Task.
+        /// </summary>
+        /// <typeparam name="T">Type of entity</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <param name="entityToDelete">Entity to delete</param>
+        /// <returns>true if deleted, false if not found</returns>
+        public static async Task<bool> DeleteAsync<T>(this IDbConnection connection, T entityToDelete, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            if (entityToDelete == null)
+                throw new ArgumentException("Cannot Delete null Object", "entityToDelete");
+
+            var type = typeof(T);
+
+            var keyProperties = KeyPropertiesCache(type);
+            if (keyProperties.Count() == 0)
+                throw new ArgumentException("Entity must have at least one [Key] property");
+
+            var name = GetTableName(type);
+
+            var sb = new StringBuilder();
+            sb.AppendFormat("delete from {0} where ", name);
+
+            for (var i = 0; i < keyProperties.Count(); i++)
+            {
+                var property = keyProperties.ElementAt(i);
+                sb.AppendFormat("{0} = @{1}", property.Name, property.Name);
+                if (i < keyProperties.Count() - 1)
+                    sb.AppendFormat(" and ");
+            }
+            var deleted = await connection.ExecuteAsync(sb.ToString(), entityToDelete, transaction: transaction, commandTimeout: commandTimeout);
+            return deleted > 0;
+        }
+
+
+        /// <summary>
+        /// Delete all entities in the table related to the type T.
+        /// </summary>
+        /// <typeparam name="T">Type of entity</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <returns>true if deleted, false if none found</returns>
+        public static bool DeleteAll<T>(this IDbConnection connection, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            var type = typeof(T);
+            var name = GetTableName(type);
+            var statement = String.Format("delete from {0}", name);
+            var deleted = connection.Execute(statement, null, transaction: transaction, commandTimeout: commandTimeout);
+            return deleted > 0;
+        }
+
+        /// <summary>
+        /// Delete all entities in the table related to the type T asynchronously using .NET 4.5 Task.
+        /// </summary>
+        /// <typeparam name="T">Type of entity</typeparam>
+        /// <param name="connection">Open SqlConnection</param>
+        /// <returns>true if deleted, false if none found</returns>
+        public static async Task<bool> DeleteAllAsync<T>(this IDbConnection connection, IDbTransaction transaction = null, int? commandTimeout = null) where T : class
+        {
+            var type = typeof(T);
+            var name = GetTableName(type);
+            var statement = String.Format("delete from {0}", name);
+            var deleted = await connection.ExecuteAsync(statement, null, transaction: transaction, commandTimeout: commandTimeout);
+            return deleted > 0;
+        }
+
+
+		public static ISqlAdapter GetFormatter(IDbConnection connection)
+		{
+			string name = connection.GetType().Name.ToLower();
+			if (!AdapterDictionary.ContainsKey(name))
+				return new SqlServerAdapter();
+			return AdapterDictionary[name];
+		}
+
+    	class ProxyGenerator
+        {
+            private static readonly Dictionary<Type, object> TypeCache = new Dictionary<Type, object>();
+
+            private static AssemblyBuilder GetAsmBuilder(string name)
+            {
+                var assemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(new AssemblyName { Name = name },
+                    AssemblyBuilderAccess.Run);       //NOTE: to save, use RunAndSave
+
+                return assemblyBuilder;
+            }
+
+            public static T GetClassProxy<T>()
+            {
+                // A class proxy could be implemented if all properties are virtual
+                //  otherwise there is a pretty dangerous case where internal actions will not update dirty tracking
+                throw new NotImplementedException();
+            }
+
+
+            public static T GetInterfaceProxy<T>()
+            {
+                Type typeOfT = typeof(T);
+
+                object k;
+                if (TypeCache.TryGetValue(typeOfT, out k))
+                {
+                    return (T)k;
+                }
+                var assemblyBuilder = GetAsmBuilder(typeOfT.Name);
+
+                var moduleBuilder = assemblyBuilder.DefineDynamicModule("SqlMapperExtensions." + typeOfT.Name); //NOTE: to save, add "asdasd.dll" parameter
+
+                var interfaceType = typeof(Dapper.Contrib.Extensions.SqlMapperExtensions.IProxy);
+                var typeBuilder = moduleBuilder.DefineType(typeOfT.Name + "_" + Guid.NewGuid(),
+                    TypeAttributes.Public | TypeAttributes.Class);
+                typeBuilder.AddInterfaceImplementation(typeOfT);
+                typeBuilder.AddInterfaceImplementation(interfaceType);
+
+                //create our _isDirty field, which implements IProxy
+                var setIsDirtyMethod = CreateIsDirtyProperty(typeBuilder);
+
+                // Generate a field for each property, which implements the T
+                foreach (var property in typeof(T).GetProperties())
+                {
+                    var isId = property.GetCustomAttributes(true).Any(a => a is KeyAttribute);
+                    CreateProperty<T>(typeBuilder, property.Name, property.PropertyType, setIsDirtyMethod, isId);
+                }
+
+                var generatedType = typeBuilder.CreateType();
+
+                //assemblyBuilder.Save(name + ".dll");  //NOTE: to save, uncomment
+
+                var generatedObject = Activator.CreateInstance(generatedType);
+
+                TypeCache.Add(typeOfT, generatedObject);
+                return (T)generatedObject;
+            }
+
+
+            private static MethodInfo CreateIsDirtyProperty(TypeBuilder typeBuilder)
+            {
+                var propType = typeof(bool);
+                var field = typeBuilder.DefineField("_" + "IsDirty", propType, FieldAttributes.Private);
+                var property = typeBuilder.DefineProperty("IsDirty",
+                                               System.Reflection.PropertyAttributes.None,
+                                               propType,
+                                               new Type[] { propType });
+
+                const MethodAttributes getSetAttr = MethodAttributes.Public | MethodAttributes.NewSlot | MethodAttributes.SpecialName |
+                                                    MethodAttributes.Final | MethodAttributes.Virtual | MethodAttributes.HideBySig;
+
+                // Define the "get" and "set" accessor methods
+                var currGetPropMthdBldr = typeBuilder.DefineMethod("get_" + "IsDirty",
+                                             getSetAttr,
+                                             propType,
+                                             Type.EmptyTypes);
+                var currGetIL = currGetPropMthdBldr.GetILGenerator();
+                currGetIL.Emit(OpCodes.Ldarg_0);
+                currGetIL.Emit(OpCodes.Ldfld, field);
+                currGetIL.Emit(OpCodes.Ret);
+                var currSetPropMthdBldr = typeBuilder.DefineMethod("set_" + "IsDirty",
+                                             getSetAttr,
+                                             null,
+                                             new Type[] { propType });
+                var currSetIL = currSetPropMthdBldr.GetILGenerator();
+                currSetIL.Emit(OpCodes.Ldarg_0);
+                currSetIL.Emit(OpCodes.Ldarg_1);
+                currSetIL.Emit(OpCodes.Stfld, field);
+                currSetIL.Emit(OpCodes.Ret);
+
+                property.SetGetMethod(currGetPropMthdBldr);
+                property.SetSetMethod(currSetPropMthdBldr);
+                var getMethod = typeof(Dapper.Contrib.Extensions.SqlMapperExtensions.IProxy).GetMethod("get_" + "IsDirty");
+                var setMethod = typeof(Dapper.Contrib.Extensions.SqlMapperExtensions.IProxy).GetMethod("set_" + "IsDirty");
+                typeBuilder.DefineMethodOverride(currGetPropMthdBldr, getMethod);
+                typeBuilder.DefineMethodOverride(currSetPropMthdBldr, setMethod);
+
+                return currSetPropMthdBldr;
+            }
+
+            private static void CreateProperty<T>(TypeBuilder typeBuilder, string propertyName, Type propType, MethodInfo setIsDirtyMethod, bool isIdentity)
+            {
+                //Define the field and the property 
+                var field = typeBuilder.DefineField("_" + propertyName, propType, FieldAttributes.Private);
+                var property = typeBuilder.DefineProperty(propertyName,
+                                               System.Reflection.PropertyAttributes.None,
+                                               propType,
+                                               new Type[] { propType });
+
+                const MethodAttributes getSetAttr = MethodAttributes.Public | MethodAttributes.Virtual |
+                                                    MethodAttributes.HideBySig;
+
+                // Define the "get" and "set" accessor methods
+                var currGetPropMthdBldr = typeBuilder.DefineMethod("get_" + propertyName,
+                                             getSetAttr,
+                                             propType,
+                                             Type.EmptyTypes);
+
+                var currGetIL = currGetPropMthdBldr.GetILGenerator();
+                currGetIL.Emit(OpCodes.Ldarg_0);
+                currGetIL.Emit(OpCodes.Ldfld, field);
+                currGetIL.Emit(OpCodes.Ret);
+
+                var currSetPropMthdBldr = typeBuilder.DefineMethod("set_" + propertyName,
+                                             getSetAttr,
+                                             null,
+                                             new Type[] { propType });
+
+                //store value in private field and set the isdirty flag
+                var currSetIL = currSetPropMthdBldr.GetILGenerator();
+                currSetIL.Emit(OpCodes.Ldarg_0);
+                currSetIL.Emit(OpCodes.Ldarg_1);
+                currSetIL.Emit(OpCodes.Stfld, field);
+                currSetIL.Emit(OpCodes.Ldarg_0);
+                currSetIL.Emit(OpCodes.Ldc_I4_1);
+                currSetIL.Emit(OpCodes.Call, setIsDirtyMethod);
+                currSetIL.Emit(OpCodes.Ret);
+
+                //TODO: Should copy all attributes defined by the interface?
+                if (isIdentity)
+                {
+                    var keyAttribute = typeof(KeyAttribute);
+                    var myConstructorInfo = keyAttribute.GetConstructor(new Type[] { });
+                    var attributeBuilder = new CustomAttributeBuilder(myConstructorInfo, new object[] { });
+                    property.SetCustomAttribute(attributeBuilder);
+                }
+
+                property.SetGetMethod(currGetPropMthdBldr);
+                property.SetSetMethod(currSetPropMthdBldr);
+                var getMethod = typeof(T).GetMethod("get_" + propertyName);
+                var setMethod = typeof(T).GetMethod("set_" + propertyName);
+                typeBuilder.DefineMethodOverride(currGetPropMthdBldr, getMethod);
+                typeBuilder.DefineMethodOverride(currSetPropMthdBldr, setMethod);
+            }
+
+        }
+    }
+
+    [AttributeUsage(AttributeTargets.Class)]
+    public class TableAttribute : Attribute
+    {
+        public TableAttribute(string tableName)
+        {
+            Name = tableName;
+        }
+        public string Name { get; private set; }
+    }
+
+    // do not want to depend on data annotations that is not in client profile
+    [AttributeUsage(AttributeTargets.Property)]
+    public class KeyAttribute : Attribute
+    {
+    }
+
+	[AttributeUsage(AttributeTargets.Property)]
+	public class WriteAttribute : Attribute
+	{
+		public WriteAttribute(bool write)
+        {
+			Write = write;
+        }
+        public bool Write { get; private set; }
+	}
+
+	[AttributeUsage(AttributeTargets.Property)]
+	public class ComputedAttribute : Attribute
+	{
+	}
+}
+
+public interface ISqlAdapter
+{
+	int Insert(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert);
+    Task<int> InsertAsync(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert);
+}
+
+public class SqlServerAdapter : ISqlAdapter
+{
+	public int Insert(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert)
+	{
+		string cmd = String.Format("insert into {0} ({1}) values ({2})", tableName, columnList, parameterList);
+
+		connection.Execute(cmd, entityToInsert, transaction: transaction, commandTimeout: commandTimeout); 
+
+		//NOTE: would prefer to use IDENT_CURRENT('tablename') or IDENT_SCOPE but these are not available on SQLCE
+		var r = connection.Query("select @@IDENTITY id", transaction: transaction, commandTimeout: commandTimeout);
+		int id = (int)r.First().id;
+		if (keyProperties.Any())
+			keyProperties.First().SetValue(entityToInsert, id, null);
+		return id;
+	}
+
+    public async Task<int> InsertAsync(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert)
+    {
+        string cmd = String.Format("insert into {0} ({1}) values ({2})", tableName, columnList, parameterList);
+
+        await connection.ExecuteAsync(cmd, entityToInsert, transaction: transaction, commandTimeout: commandTimeout);
+
+        //NOTE: would prefer to use IDENT_CURRENT('tablename') or IDENT_SCOPE but these are not available on SQLCE
+        var r = await connection.QueryAsync<dynamic>("select @@IDENTITY id", transaction: transaction, commandTimeout: commandTimeout);
+        int id = (int)r.First().id;
+        if (keyProperties.Any())
+            keyProperties.First().SetValue(entityToInsert, id, null);
+        return id;
+    }
+}
+
+public class PostgresAdapter : ISqlAdapter
+{
+	public int Insert(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert)
+	{
+		StringBuilder sb = new StringBuilder();
+		sb.AppendFormat("insert into {0} ({1}) values ({2})", tableName, columnList, parameterList);
+
+		// If no primary key then safe to assume a join table with not too much data to return
+		if (!keyProperties.Any())
+			sb.Append(" RETURNING *");
+		else
+		{
+			sb.Append(" RETURNING ");
+			bool first = true;
+			foreach (var property in keyProperties)
+			{
+				if (!first)
+					sb.Append(", ");
+				first = false;
+				sb.Append(property.Name);
+			}
+		}
+
+		var results = connection.Query(sb.ToString(), entityToInsert, transaction: transaction, commandTimeout: commandTimeout);
+
+		// Return the key by assinging the corresponding property in the object - by product is that it supports compound primary keys
+		int id = 0;
+		foreach (var p in keyProperties)
+		{
+			var value = ((IDictionary<string, object>)results.First())[p.Name.ToLower()];
+			p.SetValue(entityToInsert, value, null);
+			if (id == 0)
+				id = Convert.ToInt32(value);
+		}
+		return id;
+	}
+
+    public async Task<int> InsertAsync(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert)
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.AppendFormat("insert into {0} ({1}) values ({2})", tableName, columnList, parameterList);
+
+        // If no primary key then safe to assume a join table with not too much data to return
+        if (!keyProperties.Any())
+            sb.Append(" RETURNING *");
+        else
+        {
+            sb.Append(" RETURNING ");
+            bool first = true;
+            foreach (var property in keyProperties)
+            {
+                if (!first)
+                    sb.Append(", ");
+                first = false;
+                sb.Append(property.Name);
+            }
+        }
+
+        var results = await connection.QueryAsync<dynamic>(sb.ToString(), entityToInsert, transaction: transaction, commandTimeout: commandTimeout);
+
+        // Return the key by assinging the corresponding property in the object - by product is that it supports compound primary keys
+        int id = 0;
+        foreach (var p in keyProperties)
+        {
+            var value = ((IDictionary<string, object>)results.First())[p.Name.ToLower()];
+            p.SetValue(entityToInsert, value, null);
+            if (id == 0)
+                id = Convert.ToInt32(value);
+        }
+        return id;
+    }
+}
+
+public class SQLiteAdapter : ISqlAdapter
+{
+	public int Insert(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert)
+	{
+		string cmd = String.Format("insert into {0} ({1}) values ({2})", tableName, columnList, parameterList);
+
+		connection.Execute(cmd, entityToInsert, transaction: transaction, commandTimeout: commandTimeout);
+
+		var r = connection.Query("select last_insert_rowid() id", transaction: transaction, commandTimeout: commandTimeout);
+		int id = (int)r.First().id;
+		if (keyProperties.Any())
+			keyProperties.First().SetValue(entityToInsert, id, null);
+		return id;
+	}
+
+    public async Task<int> InsertAsync(IDbConnection connection, IDbTransaction transaction, int? commandTimeout, String tableName, string columnList, string parameterList, IEnumerable<PropertyInfo> keyProperties, object entityToInsert)
+    {
+        string cmd = String.Format("insert into {0} ({1}) values ({2})", tableName, columnList, parameterList);
+
+        await connection.ExecuteAsync(cmd, entityToInsert, transaction: transaction, commandTimeout: commandTimeout);
+
+        var r = await connection.QueryAsync<dynamic>("select last_insert_rowid() id", transaction: transaction, commandTimeout: commandTimeout);
+        int id = (int)r.First().id;
+        if (keyProperties.Any())
+            keyProperties.First().SetValue(entityToInsert, id, null);
+        return id;
+    }
+}

Dapper.Contrib.Tests NET45/App.config

+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
+    </startup>
+</configuration>
\ No newline at end of file

Dapper.Contrib.Tests NET45/Assert.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Dapper.Contrib.Tests_NET45
+{
+    /// <summary>
+    /// Assert extensions borrowed from Sam's code in DapperTests
+    /// </summary>
+    static class Assert
+    {
+        public static void IsEqualTo<T>(this T obj, T other)
+        {
+            if (!obj.Equals(other))
+            {
+                throw new ApplicationException(string.Format("{0} should be equals to {1}", obj, other));
+            }
+        }
+
+        public static void IsSequenceEqualTo<T>(this IEnumerable<T> obj, IEnumerable<T> other)
+        {
+            if (!obj.SequenceEqual(other))
+            {
+                throw new ApplicationException(string.Format("{0} should be equals to {1}", obj, other));
+            }
+        }
+
+        public static void IsFalse(this bool b)
+        {
+            if (b)
+            {
+                throw new ApplicationException("Expected false");
+            }
+        }
+
+        public static void IsTrue(this bool b)
+        {
+            if (!b)
+            {
+                throw new ApplicationException("Expected true");
+            }
+        }
+
+        public static void IsNull(this object obj)
+        {
+            if (obj != null)
+            {
+                throw new ApplicationException("Expected null");
+            }
+        }
+
+    }
+}
\ No newline at end of file

Dapper.Contrib.Tests NET45/Dapper.Contrib.Tests NET45.csproj

+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{7A85178F-4ADC-4E4C-BF08-17FC99488A9A}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Dapper.Contrib.Tests_NET45</RootNamespace>
+    <AssemblyName>Dapper.Contrib.Tests NET45</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Data.SqlServerCe, Version=4.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Assert.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Tests.cs" />
+    <Compile Include="TestsAsync.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Dapper NET45\Dapper NET45.csproj">
+      <Project>{0fff5bc7-0a4b-4d87-835e-4fad70937507}</Project>
+      <Name>Dapper NET45</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Dapper.Contrib NET45\Dapper.Contrib NET45.csproj">
+      <Project>{302ec82f-a81b-48c5-b653-b5c75d2bd103}</Project>
+      <Name>Dapper.Contrib NET45</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Dapper.SqlBuilder\Dapper.SqlBuilder.csproj">
+      <Project>{bf782ef1-2b0f-42fa-9dd0-928454a94c6d}</Project>
+      <Name>Dapper.SqlBuilder</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file

Dapper.Contrib.Tests NET45/Program.cs

+using System;
+using System.Collections.Generic;
+using System.Data.SqlServerCe;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Dapper.Contrib.Tests_NET45
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Setup();
+            RunTests();
+            Setup();
+            RunAsyncTests();
+            Console.ReadKey();
+        }
+
+        private static void Setup()
+        {
+            var projLoc = Assembly.GetAssembly(typeof(Program)).Location;
+            var projFolder = Path.GetDirectoryName(projLoc);
+
+            if (File.Exists(projFolder + "\\Test.sdf"))
+                File.Delete(projFolder + "\\Test.sdf");
+            var connectionString = "Data Source = " + projFolder + "\\Test.sdf;";
+            var engine = new SqlCeEngine(connectionString);
+            engine.CreateDatabase();
+            using (var connection = new SqlCeConnection(connectionString))
+            {
+                connection.Open();
+                connection.Execute(@" create table Users (Id int IDENTITY(1,1) not null, Name nvarchar(100) not null, Age int not null) ");
+                connection.Execute(@" create table Automobiles (Id int IDENTITY(1,1) not null, Name nvarchar(100) not null) ");
+                connection.Execute(@" create table Results (Id int IDENTITY(1,1) not null, Name nvarchar(100) not null, [Order] int not null) ");
+            }
+            Console.WriteLine("Created database");
+        }
+
+        private static void RunTests()
+        {
+            var tester = new Tests();
+            foreach (var method in typeof(Tests).GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly))
+            {
+                if (method.ReturnType != typeof(Task))
+                {
+                    Console.Write("Running " + method.Name);
+                    method.Invoke(tester, null);
+                    Console.WriteLine(" - OK!");
+                }
+            }
+        }
+
+        private static void RunAsyncTests()
+        {
+            var tester = new TestsAsync();
+
+            Console.Write("Running TableNameAsync");
+            Task.WaitAll(tester.TableNameAsync());
+            Console.WriteLine(" - OK!");
+
+            Console.Write("Running TestSimpleGetAsync");
+            Task.WaitAll(tester.TestSimpleGetAsync());
+            Console.WriteLine(" - OK!");
+
+            Console.Write("Running InsertGetUpdateAsync");
+            Task.WaitAll(tester.InsertGetUpdateAsync());
+            Console.WriteLine(" - OK!");
+
+            Console.Write("Running InsertCheckKeyAsync");
+            Task.WaitAll(tester.InsertCheckKeyAsync());
+            Console.WriteLine(" - OK!");
+
+            Console.Write("Running BuilderSelectClauseAsync");
+            Task.WaitAll(tester.BuilderSelectClauseAsync());
+            Console.WriteLine(" - OK!");
+
+            Console.Write("Running BuilderTemplateWOCompositionAsync");
+            Task.WaitAll(tester.BuilderTemplateWOCompositionAsync());
+            Console.WriteLine(" - OK!");
+
+            Console.Write("Running InsertFieldWithReservedNameAsync");
+            Task.WaitAll(tester.InsertFieldWithReservedNameAsync());
+            Console.WriteLine(" - OK!");
+
+            Console.Write("Running DeleteAllAsync");
+            Task.WaitAll(tester.DeleteAllAsync());
+            Console.WriteLine(" - OK!");
+        }
+    }
+}

Dapper.Contrib.Tests NET45/Properties/AssemblyInfo.cs

+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Dapper.Contrib.Tests NET45")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Dapper.Contrib.Tests NET45")]
+[assembly: AssemblyCopyright("Copyright ©  2014")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("2d6cdd3d-b94b-4cd4-842a-60c6e4c93c5c")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

Dapper.Contrib.Tests NET45/Tests.cs

+using System.Data;
+using System.Data.SqlServerCe;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using Dapper.Contrib.Extensions;
+using System.Collections.Generic;
+using System;
+using Dapper;
+
+
+namespace Dapper.Contrib.Tests_NET45
+{
+    public interface IUser
+    {
+        [Key]
+        int Id { get; set; }
+        string Name { get; set; }
+        int Age { get; set; }
+    }
+
+    public class User : IUser
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public int Age { get; set; }
+    }
+
+    [Table("Automobiles")]
+    public class Car
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+
+    [Table("Results")]
+    public class Result
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public int Order { get; set; }
+    }
+
+    public class Tests
+    {
+        private IDbConnection GetOpenConnection()
+        {
+            var projLoc = Assembly.GetAssembly(GetType()).Location;
+            var projFolder = Path.GetDirectoryName(projLoc);
+
+            var connection = new SqlCeConnection("Data Source = " + projFolder + "\\Test.sdf;");
+            connection.Open();
+            return connection;
+        }
+
+        public void TableName()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                // tests against "Automobiles" table (Table attribute)
+                connection.Insert(new Car {Name = "Volvo"});
+                connection.Get<Car>(1).Name.IsEqualTo("Volvo");
+                connection.Update(new Car() {Id = 1, Name = "Saab"}).IsEqualTo(true);
+                connection.Get<Car>(1).Name.IsEqualTo("Saab");
+                connection.Delete(new Car() {Id = 1}).IsEqualTo(true);
+                connection.Get<Car>(1).IsNull();
+            }
+        }
+
+        public void TestSimpleGet()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                var id = connection.Insert(new User { Name = "Adama", Age = 10 });
+                var user = connection.Get<User>(id);
+                user.Id.IsEqualTo((int)id);
+                user.Name.IsEqualTo("Adama");
+                connection.Delete(user);
+            }
+        }
+
+        public void InsertGetUpdate()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                connection.Get<User>(3).IsNull();
+
+                var id = connection.Insert(new User {Name = "Adam", Age = 10});
+
+                //get a user with "isdirty" tracking
+                var user = connection.Get<IUser>(id);
+                user.Name.IsEqualTo("Adam");
+                connection.Update(user).IsEqualTo(false);    //returns false if not updated, based on tracking
+                user.Name = "Bob";
+                connection.Update(user).IsEqualTo(true);    //returns true if updated, based on tracking
+                user = connection.Get<IUser>(id);
+                user.Name.IsEqualTo("Bob");
+
+                //get a user with no tracking
+                var notrackedUser = connection.Get<User>(id);
+                notrackedUser.Name.IsEqualTo("Bob");
+                connection.Update(notrackedUser).IsEqualTo(true);   //returns true, even though user was not changed
+                notrackedUser.Name = "Cecil";
+                connection.Update(notrackedUser).IsEqualTo(true);
+                connection.Get<User>(id).Name.IsEqualTo("Cecil");
+
+                connection.Query<User>("select * from Users").Count().IsEqualTo(1);
+                connection.Delete(user).IsEqualTo(true);
+                connection.Query<User>("select * from Users").Count().IsEqualTo(0);
+
+                connection.Update(notrackedUser).IsEqualTo(false);   //returns false, user not found
+            }
+        }
+
+        public void InsertCheckKey()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                connection.Get<IUser>(3).IsNull();
+                User user = new User { Name = "Adamb", Age = 10 };
+                int id = (int)connection.Insert(user);
+                user.Id.IsEqualTo(id);
+            }
+        }
+
+        public void BuilderSelectClause()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                var rand = new Random(8675309);
+                var data = new List<User>();
+                for (int i = 0; i < 100; i++)
+                {
+                    var nU = new User { Age = rand.Next(70), Id = i, Name = Guid.NewGuid().ToString() };
+                    data.Add(nU);
+                    nU.Id = (int)connection.Insert<User>(nU);
+                }
+
+                var builder = new SqlBuilder();
+                var justId = builder.AddTemplate("SELECT /**select**/ FROM Users");
+                var all = builder.AddTemplate("SELECT Name, /**select**/, Age FROM Users");
+
+                builder.Select("Id");
+
+                var ids = connection.Query<int>(justId.RawSql, justId.Parameters);
+                var users = connection.Query<User>(all.RawSql, all.Parameters);
+
+                foreach (var u in data)
+                {
+                    if (!ids.Any(i => u.Id == i)) throw new Exception("Missing ids in select");
+                    if (!users.Any(a => a.Id == u.Id && a.Name == u.Name && a.Age == u.Age)) throw new Exception("Missing users in select");
+                }
+            }
+        }
+
+        public void BuilderTemplateWOComposition()
+        {
+            var builder = new SqlBuilder();
+            var template = builder.AddTemplate("SELECT COUNT(*) FROM Users WHERE Age = @age", new {age = 5});
+
+            if (template.RawSql == null) throw new Exception("RawSql null");
+            if (template.Parameters == null) throw new Exception("Parameters null");
+
+            using (var connection = GetOpenConnection())
+            {
+                connection.Insert(new User { Age = 5, Name = "Testy McTestington" });
+
+                if (connection.Query<int>(template.RawSql, template.Parameters).Single() != 1)
+                    throw new Exception("Query failed");
+            }
+        }
+
+        public void InsertFieldWithReservedName()
+        {
+            using (var conneciton = GetOpenConnection())
+            {
+                var id = conneciton.Insert(new Result() { Name = "Adam", Order = 1 });
+
+                var result = conneciton.Get<Result>(id);
+                result.Order.IsEqualTo(1);
+            }
+
+        }
+
+        public void DeleteAll()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                var id1 = connection.Insert(new User() { Name = "Alice", Age = 32 });
+                var id2 = connection.Insert(new User() { Name = "Bob", Age = 33 });
+                connection.DeleteAll<User>();
+                connection.Get<User>(id1).IsNull();
+                connection.Get<User>(id2).IsNull();
+            }
+        }
+
+    }
+}

Dapper.Contrib.Tests NET45/TestsAsync.cs

+using System.Data;
+using System.Data.SqlServerCe;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using Dapper.Contrib.Extensions;
+using System.Collections.Generic;
+using System;
+using Dapper;
+using System.Threading.Tasks;
+
+
+namespace Dapper.Contrib.Tests_NET45
+{
+    public class TestsAsync
+    {
+        private IDbConnection GetOpenConnection()
+        {
+            var projLoc = Assembly.GetAssembly(GetType()).Location;
+            var projFolder = Path.GetDirectoryName(projLoc);
+
+            var connection = new SqlCeConnection("Data Source = " + projFolder + "\\Test.sdf;");
+            connection.Open();
+            return connection;
+        }
+
+        public async Task TableNameAsync()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                // tests against "Automobiles" table (Table attribute)
+                await connection.InsertAsync(new Car { Name = "Volvo" });
+                (await connection.GetAsync<Car>(1)).Name.IsEqualTo("Volvo");
+                (await connection.UpdateAsync(new Car() { Id = 1, Name = "Saab" })).IsEqualTo(true);
+                (await connection.GetAsync<Car>(1)).Name.IsEqualTo("Saab");
+                (await connection.DeleteAsync(new Car() { Id = 1 })).IsEqualTo(true);
+                (await connection.GetAsync<Car>(1)).IsNull();
+            }
+        }
+
+        public async Task TestSimpleGetAsync()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                var id = await connection.InsertAsync(new User { Name = "Adama", Age = 10 });
+                var user = await connection.GetAsync<User>(id);
+                user.Id.IsEqualTo((int)id);
+                user.Name.IsEqualTo("Adama");
+                await connection.DeleteAsync(user);
+            }
+        }
+
+        public async Task InsertGetUpdateAsync()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                (await connection.GetAsync<User>(3)).IsNull();
+
+                var id = await connection.InsertAsync(new User { Name = "Adam", Age = 10 });
+
+                //get a user with "isdirty" tracking
+                var user = await connection.GetAsync<IUser>(id);
+                user.Name.IsEqualTo("Adam");
+                (await connection.UpdateAsync(user)).IsEqualTo(false);    //returns false if not updated, based on tracking
+                user.Name = "Bob";
+                (await connection.UpdateAsync(user)).IsEqualTo(true);    //returns true if updated, based on tracking
+                user = await connection.GetAsync<IUser>(id);
+                user.Name.IsEqualTo("Bob");
+
+                //get a user with no tracking
+                var notrackedUser = await connection.GetAsync<User>(id);
+                notrackedUser.Name.IsEqualTo("Bob");
+                (await connection.UpdateAsync(notrackedUser)).IsEqualTo(true);   //returns true, even though user was not changed
+                notrackedUser.Name = "Cecil";
+                (await connection.UpdateAsync(notrackedUser)).IsEqualTo(true);
+                (await connection.GetAsync<User>(id)).Name.IsEqualTo("Cecil");
+
+                (await connection.QueryAsync<User>("select * from Users")).Count().IsEqualTo(1);
+                (await connection.DeleteAsync(user)).IsEqualTo(true);
+                (await connection.QueryAsync<User>("select * from Users")).Count().IsEqualTo(0);
+
+                (await connection.UpdateAsync(notrackedUser)).IsEqualTo(false);   //returns false, user not found
+            }
+        }
+
+        public async Task InsertCheckKeyAsync()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                (await connection.GetAsync<IUser>(3)).IsNull();
+                User user = new User { Name = "Adamb", Age = 10 };
+                int id = (int)await connection.InsertAsync(user);
+                user.Id.IsEqualTo(id);
+            }
+        }
+
+        public async Task BuilderSelectClauseAsync()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                var rand = new Random(8675309);
+                var data = new List<User>();
+                for (int i = 0; i < 100; i++)
+                {
+                    var nU = new User { Age = rand.Next(70), Id = i, Name = Guid.NewGuid().ToString() };
+                    data.Add(nU);
+                    nU.Id = (int)await connection.InsertAsync<User>(nU);
+                }
+
+                var builder = new SqlBuilder();
+                var justId = builder.AddTemplate("SELECT /**select**/ FROM Users");
+                var all = builder.AddTemplate("SELECT Name, /**select**/, Age FROM Users");
+
+                builder.Select("Id");
+
+                var ids = await connection.QueryAsync<int>(justId.RawSql, justId.Parameters);
+                var users = await connection.QueryAsync<User>(all.RawSql, all.Parameters);
+
+                foreach (var u in data)
+                {
+                    if (!ids.Any(i => u.Id == i)) throw new Exception("Missing ids in select");
+                    if (!users.Any(a => a.Id == u.Id && a.Name == u.Name && a.Age == u.Age)) throw new Exception("Missing users in select");
+                }
+            }
+        }
+
+        public async Task BuilderTemplateWOCompositionAsync()
+        {
+            var builder = new SqlBuilder();
+            var template = builder.AddTemplate("SELECT COUNT(*) FROM Users WHERE Age = @age", new { age = 5 });
+
+            if (template.RawSql == null) throw new Exception("RawSql null");
+            if (template.Parameters == null) throw new Exception("Parameters null");
+
+            using (var connection = GetOpenConnection())
+            {
+                await connection.InsertAsync(new User { Age = 5, Name = "Testy McTestington" });
+
+                if ((await connection.QueryAsync<int>(template.RawSql, template.Parameters)).Single() != 1)
+                    throw new Exception("Query failed");
+            }
+        }
+
+        public async Task InsertFieldWithReservedNameAsync()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                var id = await connection.InsertAsync(new Result() { Name = "Adam", Order = 1 });
+
+                var result = await connection.GetAsync<Result>(id);
+                result.Order.IsEqualTo(1);
+            }
+        }
+
+        public async Task DeleteAllAsync()
+        {
+            using (var connection = GetOpenConnection())
+            {
+                var id1 = await connection.InsertAsync(new User() { Name = "Alice", Age = 32 });
+                var id2 = await connection.InsertAsync(new User() { Name = "Bob", Age = 33 });
+                await connection.DeleteAllAsync<User>();
+                (await connection.GetAsync<User>(id1)).IsNull();
+                (await connection.GetAsync<User>(id2)).IsNull();
+            }
+        }
+    }
+}