00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*- 00002 * vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 00003 * 00004 * Copyright (C) 2008 Sun Microsystems, Inc. 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; version 2 of the License. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00018 */ 00019 00020 #pragma once 00021 00022 #include <drizzled/function/str/strfunc.h> 00023 00024 namespace drizzled 00025 { 00026 00027 class Item_func_concat :public Item_str_func 00028 { 00029 Session &session; 00030 String tmp_value; 00031 public: 00032 Item_func_concat(Session &session_arg, List<Item> &list) : 00033 Item_str_func(list), 00034 session(session_arg) 00035 {} 00036 00037 Item_func_concat(Session &session_arg, Item *a, Item *b) : 00038 Item_str_func(a, b), 00039 session(session_arg) 00040 {} 00041 00042 String *val_str(String *); 00043 void fix_length_and_dec(); 00044 const char *func_name() const { return "concat"; } 00045 }; 00046 00047 class Item_func_concat_ws :public Item_str_func 00048 { 00049 Session &session; 00050 String tmp_value; 00051 public: 00052 Item_func_concat_ws(Session &session_arg, List<Item> &list) : 00053 Item_str_func(list), 00054 session(session_arg) 00055 {} 00056 String *val_str(String *); 00057 void fix_length_and_dec(); 00058 const char *func_name() const { return "concat_ws"; } 00059 table_map not_null_tables() const { return 0; } 00060 }; 00061 00062 } /* namespace drizzled */ 00063