Drizzled Public API Documentation

show_columns.h

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 #pragma once
00022 
00023 class ShowColumns : public show_dictionary::Show
00024 {
00025 public:
00026   ShowColumns();
00027 
00028   bool visible() const { return false; }
00029 
00030   class Generator : public show_dictionary::Show::Generator 
00031   {
00032     bool is_tables_primed;
00033     bool is_columns_primed;
00034 
00035     int32_t column_iterator;
00036     drizzled::message::table::shared_ptr table_proto;
00037     drizzled::message::Table::Field column;
00038 
00039     bool nextColumnCore();
00040     bool nextColumn();
00041 
00042     std::string table_name;
00043 
00044     drizzled::message::table::shared_ptr getTableProto()
00045     {
00046       return table_proto;
00047     }
00048 
00049     bool isTablesPrimed()
00050     {
00051       return is_tables_primed;
00052     }
00053 
00054     const std::string &getTableName()
00055     {
00056       return table_name;
00057     }
00058 
00059     void pushType(drizzled::message::Table::Field::FieldType type, const std::string collation);
00060 
00061     void fill();
00062 
00063   public:
00064     Generator(drizzled::Field **arg);
00065     bool populate();
00066 
00067   };
00068 
00069   Generator *generator(drizzled::Field **arg)
00070   {
00071     return new Generator(arg);
00072   }
00073 };
00074