Drizzled Public API Documentation

select_to_file.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 
00021 #pragma once
00022 
00023 #include <drizzled/select_result_interceptor.h>
00024 #include <drizzled/file_exchange.h>
00025 
00026 #include <boost/filesystem.hpp>
00027 
00028 namespace drizzled
00029 {
00030 
00031 namespace internal
00032 {
00033 typedef struct st_io_cache IO_CACHE;
00034 }
00035 
00036 class select_to_file :
00037   public select_result_interceptor
00038 {
00039 protected:
00040   file_exchange *exchange;
00041   int file;
00042   internal::IO_CACHE *cache;
00043   ha_rows row_count;
00044   boost::filesystem::path path;
00045 
00046 public:
00047   select_to_file(file_exchange *ex);
00048   virtual ~select_to_file();
00049   void send_error(drizzled::error_t errcode,const char *err);
00050   bool send_eof();
00051   void cleanup();
00052 };
00053 
00054 } /* namespace drizzled */
00055