Drizzled Public API Documentation

savepoints.cc
1 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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3  *
4  * Copyright (C) 2010 Brian Aker
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
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11  * This program is distributed in the hope that it will be useful,
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14  * GNU General Public License for more details.
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18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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20 
21 #include <config.h>
22 #include <drizzled/session/transactions.h>
23 #include <plugin/session_dictionary/dictionary.h>
24 
25 namespace session_dictionary {
26 
27 #define LARGEST_USER_SAVEPOINT_NAME 128
28 
29 Savepoints::Savepoints() :
30  drizzled::plugin::TableFunction("DATA_DICTIONARY", "USER_DEFINED_SAVEPOINTS")
31 {
32  add_field("SAVEPOINT_NAME", drizzled::plugin::TableFunction::STRING, LARGEST_USER_SAVEPOINT_NAME, false);
33 }
34 
35 Savepoints::Generator::Generator(drizzled::Field **arg) :
36  drizzled::plugin::TableFunction::Generator(arg),
37  savepoints(getSession().transaction.savepoints),
38  iter(savepoints.begin())
39 {
40 }
41 
42 Savepoints::Generator::~Generator()
43 {
44 }
45 
46 bool Savepoints::Generator::populate()
47 {
48  while (iter != savepoints.end())
49  {
50  // SAVEPOINT_NAME
51  push(iter->getName());
52 
53  iter++;
54 
55  return true;
56  }
57 
58  return false;
59 }
60 
61 } /* namespace session_dictionary */