Drizzled Public API Documentation

catalogs.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
19  */
20 
21 #include <config.h>
22 
23 #include <plugin/catalog/module.h>
24 
25 namespace plugin {
26 namespace catalog {
27 namespace tables {
28 
29 Catalogs::Catalogs() :
30  drizzled::plugin::TableFunction("DATA_DICTIONARY", "CATALOGS")
31 {
32  add_field("CATALOG_NAME", drizzled::plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
33  add_field("CATALOG_CREATION_TIME");
34  add_field("CATALOG_UPDATE_TIME");
35  add_field("CATALOG_UUID", drizzled::plugin::TableFunction::STRING, 36, true);
36  add_field("CATALOG_VERSION", drizzled::plugin::TableFunction::NUMBER, 0, true);
37 }
38 
39 Catalogs::Generator::Generator(drizzled::Field **arg) :
40  drizzled::plugin::TableFunction::Generator(arg)
41 {
42 }
43 
44 bool Catalogs::Generator::populate()
45 {
46  drizzled::message::catalog::shared_ptr tmp;
47 
48  while ((tmp= catalog_generator))
49  {
50  // CATALOG_NAME
51  push(tmp->name());
52 
53  /* SCHEMA_CREATION_TIME */
54  time_t time_arg= tmp->creation_timestamp();
55  char buffer[40];
56  struct tm tm_buffer;
57 
58  localtime_r(&time_arg, &tm_buffer);
59  strftime(buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y", &tm_buffer);
60  push(buffer);
61 
62  /* SCHEMA_UPDATE_TIME */
63  time_arg= tmp->update_timestamp();
64  localtime_r(&time_arg, &tm_buffer);
65  strftime(buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y", &tm_buffer);
66  push(buffer);
67 
68  /* SCHEMA_UUID */
69  push(tmp->uuid());
70 
71  /* SCHEMA_VERSION */
72  push(tmp->version());
73 
74  return true;
75  }
76 
77  return false;
78 }
79 
80 } /* namespace tables */
81 } /* namespace catalog */
82 } /* namespace plugin */