Drizzled Public API Documentation

constraint_table_usage.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 ConstraintTableUsage::ConstraintTableUsage() :
00028   InformationSchema("CONSTRAINT_TABLE_USAGE")
00029 {
00030   add_field("TABLE_CATALOG");
00031   add_field("TABLE_SCHEMA");
00032   add_field("TABLE_NAME");
00033   add_field("CONSTRAINT_CATALOG");
00034   add_field("CONSTRAINT_SCHEMA");
00035   add_field("CONSTRAINT_NAME");
00036 }
00037 
00038 void ConstraintTableUsage::Generator::fill()
00039 {
00040 }
00041 
00042 bool ConstraintTableUsage::Generator::nextCore()
00043 {
00044   return false;
00045 }
00046 
00047 bool ConstraintTableUsage::Generator::next()
00048 {
00049   while (not nextCore())
00050   {
00051     return false;
00052   }
00053 
00054   return true;
00055 }
00056 
00057 ConstraintTableUsage::Generator::Generator(drizzled::Field **arg) :
00058   InformationSchema::Generator(arg),
00059   is_primed(false)
00060 {
00061 }
00062 
00063 bool ConstraintTableUsage::Generator::populate()
00064 {
00065   if (not next())
00066     return false;
00067 
00068   fill();
00069 
00070   return true;
00071 }