Drizzled Public API Documentation

select_dumpvar.h
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/error.h>
00023 #include <drizzled/function/set_user_var.h>
00024 #include <drizzled/select_result_interceptor.h>
00025 #include <drizzled/base.h>
00026 
00027 #include <vector>
00028 
00029 namespace drizzled
00030 {
00031 
00032 class var;
00033 
00034 class select_dumpvar :public select_result_interceptor {
00035   ha_rows row_count;
00036 
00037 public:
00038   std::vector<var *> var_list;
00039   select_dumpvar()  { var_list.clear(); row_count= 0;}
00040   ~select_dumpvar() {}
00041 
00042   int prepare(List<Item> &list, Select_Lex_Unit *u);
00043 
00044   void cleanup()
00045   {
00046     row_count= 0;
00047   }
00048 
00049 
00050   bool send_data(List<Item> &items);
00051 
00052   bool send_eof();
00053 
00054 };
00055 
00056 } /* namespace drizzled */
00057