Line data    Source code

       1             : // Copyright (c) 2019  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/snapdatabase
       4             : // contact@m2osw.com
       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 along
      17             : // with this program; if not, write to the Free Software Foundation, Inc.,
      18             : // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      19             : #pragma once
      20             : 
      21             : 
      22             : /** \file
      23             :  * \brief Block representing a blob of data.
      24             :  *
      25             :  * The _blob part_ of a row is that part that does not get indexed or
      26             :  * queried in any way other than the whole at once. It is used whenever
      27             :  * it is too large to fit in a `DATA` block.
      28             :  */
      29             : 
      30             : // self
      31             : //
      32             : #include    "snapdatabase/data/structure.h"
      33             : 
      34             : 
      35             : 
      36             : namespace snapdatabase
      37             : {
      38             : 
      39             : 
      40           0 : class block_blob
      41             :     : public block
      42             : {
      43             : public:
      44             :     typedef std::shared_ptr<block_blob>       pointer_t;
      45             : 
      46             :                                 block_blob(dbfile::pointer_t f, reference_t offset);
      47             : 
      48             :     uint32_t                    get_size();
      49             :     void                        set_size(uint32_t size);
      50             :     reference_t                 get_next_blob();
      51             :     void                        set_next_blob(reference_t offset);
      52             : 
      53             : private:
      54             : };
      55             : 
      56             : 
      57             : 
      58             : 
      59             : } // namespace snapdatabase
      60             : // vim: ts=4 sw=4 et