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Copy pathkernel_types.h
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96 lines (74 loc) · 2.2 KB
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/*
Copyright (C) 2003, 2005, 2006, 2008 MySQL AB, 2010 Sun Microsystems, Inc.
All rights reserved. Use is subject to license terms.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef NDB_KERNEL_TYPES_H
#define NDB_KERNEL_TYPES_H
#include <my_global.h>
#include <ndb_types.h>
#include "ndb_limits.h"
typedef Uint16 NodeId;
typedef Uint16 BlockNumber;
typedef Uint16 BlockInstance;
typedef Uint32 BlockReference;
typedef Uint16 GlobalSignalNumber;
enum Operation_t {
ZREAD = 0
,ZUPDATE = 1
,ZINSERT = 2
,ZDELETE = 3
,ZWRITE = 4
,ZREAD_EX = 5
,ZREFRESH = 6
,ZUNLOCK = 7
};
/**
* 32k page
*/
struct GlobalPage {
union {
Uint32 data[GLOBAL_PAGE_SIZE/sizeof(Uint32)];
Uint32 nextPool;
};
};
struct Local_key
{
Uint32 m_page_no;
Uint16 m_page_idx;
Uint16 m_file_no;
bool isNull() const { return m_page_no == RNIL; }
void setNull() { m_page_no= RNIL; m_file_no= m_page_idx= ~0;}
Uint32 ref() const { return ref(m_page_no,m_page_idx) ;}
Local_key& assref (Uint32 ref) {
m_page_no = ref2page_id(ref);
m_page_idx = ref2page_idx(ref);
return *this;
}
static Uint32 ref(Uint32 lk1, Uint32 lk2) {
return (lk1 << MAX_TUPLES_BITS) | lk2;
}
static Uint32 ref2page_id(Uint32 ref) { return ref >> MAX_TUPLES_BITS; }
static Uint32 ref2page_idx(Uint32 ref) { return ref & MAX_TUPLES_PER_PAGE; }
static bool isInvalid(Uint32 lk1, Uint32 lk2) {
return ref(lk1, lk2) == ~Uint32(0);
}
};
class NdbOut&
operator<<(class NdbOut&, const struct Local_key&);
inline
Uint32
table_version_major(Uint32 ver)
{
return ver & 0x00FFFFFF;
}
#endif