Drizzled Public API Documentation

catalog_cache.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
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <config.h>
22 
23 #include <plugin/catalog/module.h>
24 
25 #include <drizzled/atomics.h>
26 #include <drizzled/session.h>
27 
28 using namespace std;
29 
30 namespace plugin {
31 namespace catalog {
32 namespace tables {
33 
34 Cache::Cache() :
35  drizzled::plugin::TableFunction("DATA_DICTIONARY", "CATALOG_CACHE")
36 {
37  add_field("CATALOG_NAME", drizzled::plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
38 }
39 
40 Cache::Generator::Generator(drizzled::Field **arg) :
41  drizzled::plugin::TableFunction::Generator(arg)
42 {
43 }
44 
45 bool Cache::Generator::populate()
46 {
47 
48  drizzled::catalog::Instance::shared_ptr tmp;
49 
50  while ((tmp= catalog_generator))
51  {
52  // CATALOG_NAME
53  push(tmp->getName());
54 
55  return true;
56  }
57 
58  return false;
59 }
60 
61 } /* namespace tables */
62 } /* namespace catalog */
63 } /* namespace plugin */