Drizzled Public API Documentation

check_constraints.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 CheckConstraints::CheckConstraints() :
28  InformationSchema("CHECK_CONSTRAINTS")
29 {
30  add_field("CONSTRAINT_CATALOG");
31  add_field("CONSTRAINT_SCHEMA");
32  add_field("CONSTRAINT_NAME");
33  add_field("CHECK_CLAUSE");
34 }
35 
36 void CheckConstraints::Generator::fill()
37 {
38 }
39 
40 bool CheckConstraints::Generator::nextCore()
41 {
42  return false;
43 }
44 
45 bool CheckConstraints::Generator::next()
46 {
47  while (not nextCore())
48  {
49  return false;
50  }
51 
52  return true;
53 }
54 
55 CheckConstraints::Generator::Generator(drizzled::Field **arg):
56  InformationSchema::Generator(arg),
57  is_primed(false)
58 {
59 }
60 
61 bool CheckConstraints::Generator::populate()
62 {
63  if (not next())
64  return false;
65 
66  fill();
67 
68  return true;
69 }
TODO: Rename this file - func.h is stupid.