Drizzled Public API Documentation

domain_constraints.cc
00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2010 Brian Aker
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #include <config.h>
00022 #include <plugin/information_schema_dictionary/dictionary.h>
00023 
00024 using namespace std;
00025 using namespace drizzled;
00026 
00027 DomainConstraints::DomainConstraints() :
00028   InformationSchema("DOMAIN_CONSTRAINTS")
00029 {
00030   add_field("CONSTRAINT_CATALOG");
00031   add_field("CONSTRAINT_SCHEMA");
00032   add_field("CONSTRAINT_NAME");
00033   add_field("DOMAIN_CATALOG");
00034   add_field("DOMAIN_SCHEMA");
00035   add_field("DOMAIN_NAME");
00036   add_field("IS_DEFERRABLE", plugin::TableFunction::BOOLEAN, 0, false);
00037   add_field("INITIALLY_DEFERRED", plugin::TableFunction::BOOLEAN, 0, false);
00038 }
00039 
00040 void DomainConstraints::Generator::fill()
00041 {
00042 }
00043 
00044 bool DomainConstraints::Generator::nextCore()
00045 {
00046   return false;
00047 }
00048 
00049 bool DomainConstraints::Generator::next()
00050 {
00051   while (not nextCore())
00052   {
00053     return false;
00054   }
00055 
00056   return true;
00057 }
00058 
00059 DomainConstraints::Generator::Generator(drizzled::Field **arg) :
00060   InformationSchema::Generator(arg),
00061   is_primed(false)
00062 {
00063 }
00064 
00065 bool DomainConstraints::Generator::populate()
00066 {
00067   if (not next())
00068     return false;
00069 
00070   fill();
00071 
00072   return true;
00073 }