Drizzled Public API Documentation

singular.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 /* Structs that defines the Table */
00022 
00023 #pragma once
00024 
00025 namespace drizzled {
00026 namespace table {
00027 
00028 class Singular : public Table
00029 {
00030   TableShare _share;
00031   bool _has_variable_width;
00032 
00033 public:
00034   Singular() :
00035     _share(message::Table::INTERNAL),
00036     _has_variable_width(false)
00037   {
00038   }
00039 
00040   Singular(Session *session, std::list<CreateField>&);
00041 
00042   TableShare *getMutableShare()
00043   {
00044     return &_share;
00045   }
00046 
00047   void setShare(TableShare *)
00048   {
00049     assert(0);
00050   }
00051 
00052   const TableShare *getShare() const
00053   {
00054     return &_share;
00055   }
00056 
00057   bool hasShare() const { return true; }
00058 
00059   void release() {};
00060 
00061   bool hasVariableWidth() const
00062   {
00063     return _has_variable_width;
00064   }
00065 
00066   bool create_myisam_tmp_table(KeyInfo *keyinfo,
00067                                MI_COLUMNDEF *start_recinfo,
00068                                MI_COLUMNDEF **recinfo,
00069                                uint64_t options);
00070   void setup_tmp_table_column_bitmaps();
00071   bool open_tmp_table();
00072 
00073   void setVariableWidth()
00074   {
00075     _has_variable_width= true;
00076   }
00077 
00078   ~Singular();
00079 };
00080 
00081 } /* namespace table */
00082 } /* namespace drizzled */
00083