Drizzled Public API Documentation

savepoints.cc
00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2010 Brian Aker
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; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #include <config.h>
00022 
00023 #include <plugin/session_dictionary/dictionary.h>
00024 
00025 namespace session_dictionary {
00026 
00027 #define LARGEST_USER_SAVEPOINT_NAME 128
00028 
00029 Savepoints::Savepoints() :
00030   drizzled::plugin::TableFunction("DATA_DICTIONARY", "USER_DEFINED_SAVEPOINTS")
00031 {
00032   add_field("SAVEPOINT_NAME", drizzled::plugin::TableFunction::STRING, LARGEST_USER_SAVEPOINT_NAME, false);
00033 }
00034 
00035 Savepoints::Generator::Generator(drizzled::Field **arg) :
00036   drizzled::plugin::TableFunction::Generator(arg),
00037   savepoints(getSession().transaction.savepoints),
00038   iter(savepoints.begin())
00039 {
00040 }
00041 
00042 Savepoints::Generator::~Generator()
00043 {
00044 }
00045 
00046 bool Savepoints::Generator::populate()
00047 {
00048   while (iter != savepoints.end())
00049   {
00050     // SAVEPOINT_NAME
00051     push(iter->getName());
00052 
00053     iter++;
00054 
00055     return true;
00056   }
00057 
00058   return false;
00059 }
00060 
00061 } /* namespace session_dictionary */