Drizzled Public API Documentation

view_column_usage.cc
1 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 #include <plugin/information_schema_dictionary/dictionary.h>
23 
24 using namespace std;
25 using namespace drizzled;
26 
27 ViewColumnUsage::ViewColumnUsage() :
28  InformationSchema("VIEW_COLUMN_USAGE")
29 {
30  add_field("VIEW_CATALOG", plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
31  add_field("VIEW_SCHEMA", plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
32  add_field("VIEW_NAME", plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
33 
34  add_field("TABLE_CATALOG", plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
35  add_field("TABLE_SCHEMA", plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
36  add_field("TABLE_NAME", plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);
37 
38  add_field("COLUMN_NAME");
39 }
40 
41 void ViewColumnUsage::Generator::fill()
42 {
43 }
44 
45 bool ViewColumnUsage::Generator::nextCore()
46 {
47  return false;
48 }
49 
50 bool ViewColumnUsage::Generator::next()
51 {
52  while (not nextCore())
53  {
54  return false;
55  }
56 
57  return true;
58 }
59 
60 ViewColumnUsage::Generator::Generator(drizzled::Field **arg) :
61  InformationSchema::Generator(arg),
62  is_primed(false)
63 {
64 }
65 
66 bool ViewColumnUsage::Generator::populate()
67 {
68  if (not next())
69  return false;
70 
71  fill();
72 
73  return true;
74 }
TODO: Rename this file - func.h is stupid.