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MySQL 5.1: mysql/src/5.1-dbg/storage/ndb/include/kernel/kernel_types.h Source File
mysql/src/5.1-dbg/storage/ndb/include/kernel/kernel_types.h

00001 /* Copyright (C) 2003 MySQL AB
00002 
00003    This program is free software; you can redistribute it and/or modify
00004    it under the terms of the GNU General Public License as published by
00005    the Free Software Foundation; either version 2 of the License, or
00006    (at your option) any later version.
00007 
00008    This program is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011    GNU General Public License for more details.
00012 
00013    You should have received a copy of the GNU General Public License
00014    along with this program; if not, write to the Free Software
00015    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00016 
00017 #ifndef NDB_KERNEL_TYPES_H
00018 #define NDB_KERNEL_TYPES_H
00019 
00020 #include <my_config.h>
00021 #include <ndb_types.h>
00022 #include "ndb_limits.h"
00023 
00024 typedef Uint16 NodeId; 
00025 typedef Uint16 BlockNumber;
00026 typedef Uint32 BlockReference;
00027 typedef Uint16 GlobalSignalNumber;
00028 
00029 enum Operation_t {
00030   ZREAD    = 0
00031   ,ZUPDATE  = 1
00032   ,ZINSERT  = 2
00033   ,ZDELETE  = 3
00034   ,ZWRITE   = 4
00035   ,ZREAD_EX = 5
00036 #if 0
00037   ,ZREAD_CONSISTENT = 6
00038 #endif
00039 };
00040 
00044 struct GlobalPage {
00045   union {
00046     Uint32 data[GLOBAL_PAGE_SIZE/sizeof(Uint32)];
00047     Uint32 nextPool;
00048   };
00049 };
00050 
00051 struct Local_key 
00052 {
00053   Uint32 m_page_no;
00054   Uint16 m_page_idx;
00055   Uint16 m_file_no;     
00056 
00057   bool isNull() const { return m_page_no == RNIL; }
00058   void setNull() { m_page_no= RNIL; m_file_no= m_page_idx= ~0;}
00059 
00060   Uint32 ref() const { return (m_page_no << MAX_TUPLES_BITS) | m_page_idx ;}
00061   
00062   Local_key& assref (Uint32 ref) { 
00063     m_page_no =ref >> MAX_TUPLES_BITS;
00064     m_page_idx = ref & MAX_TUPLES_PER_PAGE;
00065     return *this;
00066   }
00067 };
00068 
00069 class NdbOut&
00070 operator<<(class NdbOut&, const struct Local_key&);
00071 
00072 inline
00073 Uint32 
00074 table_version_major(Uint32 ver)
00075 {
00076   return ver & 0x00FFFFFF;
00077 }
00078 
00079 #endif
00080 
00081 
00082 
00083
Generated on Sat Sep 9 00:50:33 2006 for MySQL 5.1 by
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