public static void ChangeColumnName <T>(this IDbConnection dbConn,
                                                Expression <Func <T, object> > field,
                                                string oldColumnName)
        {
            var modelDef = ModelDefinition <T> .Definition;
            var fieldDef = modelDef.GetFieldDefinition <T>(field);

            dbConn.ChangeColumnName(typeof(T), fieldDef, oldColumnName);
        }