Improve interface

include/sqlpp11/connection_pool.h

@@ -215,6 +215,12 @@ namespace sqlpp
 		{
 			query_task<connection_pool, Query, Lambda>(*this, query, callback)();
 		}
+
+		template<typename Query>
+		void operator()(Query query)
+		{
+			operator()(query, [](){});
+		}
 	};
 
 	template<typename Connection_config,

include/sqlpp11/pool_connection.h

@@ -77,11 +77,6 @@ namespace sqlpp
 			return _impl->prepare(t);
 		}
 
-		Connection* operator->()
-		{
-			return &_impl;
-		}
-
 		pool_connection(const pool_connection&) = delete;
 		pool_connection(pool_connection&& other)
 			: _impl(std::move(other._impl)), origin(other.origin) {}