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This commit is contained in:
Vadim B. Mikheev 2000-07-04 01:49:44 +00:00
parent e1a118e5e6
commit d0273c07ac
5 changed files with 28 additions and 12 deletions
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4
src/backend/access/transam/xlog.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.16 2000/06/02 15:57:16 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.17 2000/07/04 01:49:43 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -1402,7 +1402,7 @@ StartupXLOG()
record = ReadRecord(&RecPtr, buffer);
if (TransactionIdIsValid(record->xl_xid) &&
!TransactionIdDidCommit(record->xl_xid))
RmgrTable[record->xl_rmid].rm_undo(record);
RmgrTable[record->xl_rmid].rm_undo(EndRecPtr, record);
RecPtr = record->xl_prev;
} while (XLByteLE(checkPoint.undo, RecPtr));
elog(LOG, "Undo done at (%u, %u)",

10
src/include/access/htup.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: htup.h,v 1.32 2000/07/03 02:54:17 vadim Exp $
* $Id: htup.h,v 1.33 2000/07/04 01:49:43 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -87,6 +87,8 @@ typedef struct xl_heap_delete
xl_heaptid dtid; /* deleted tuple id */
} xl_heap_delete;
#define SizeOfHeapDelete (offsetof(xl_heaptid, tid) + SizeOfIptrData))
/* This is what we need to know about insert - 26 + data */
typedef struct xl_heap_insert
{
@ -99,6 +101,8 @@ typedef struct xl_heap_insert
/* TUPLE DATA FOLLOWS AT END OF STRUCT */
} xl_heap_insert;
#define SizeOfHeapInsert (offsetof(xl_heap_insert, mask) + sizeof(uint8))
/* This is what we need to know about update - 28 + data */
typedef struct xl_heap_update
{
@ -111,6 +115,8 @@ typedef struct xl_heap_update
/* NEW TUPLE DATA FOLLOWS AT END OF STRUCT */
} xl_heap_update;
#define SizeOfHeapUpdate (offsetof(xl_heap_update, mask) + sizeof(uint8))
/* This is what we need to know about tuple move - 24 bytes */
typedef struct xl_heap_move
{
@ -118,6 +124,8 @@ typedef struct xl_heap_move
ItemPointerData ttid; /* moved to */
} xl_heap_move;
#define SizeOfHeapMove (offsetof(xl_heap_move, ttid) + SizeOfIptrData))
/* end of XLOG stuff */
#endif /* XLOG */

15
src/include/access/rmgr.h
View File

@ -13,8 +13,8 @@ typedef uint8 RmgrId;
typedef struct RmgrData
{
char *rm_name;
char *(*rm_redo) (); /* REDO(XLogRecPtr rptr) */
char *(*rm_undo) (); /* UNDO(XLogRecPtr rptr) */
void (*rm_redo)(); /* REDO(XLogRecPtr lsn, XLogRecord rptr) */
void (*rm_undo)(); /* UNDO(XLogRecPtr lsn, XLogRecord rptr) */
} RmgrData;
extern RmgrData *RmgrTable;
@ -24,11 +24,12 @@ extern RmgrData *RmgrTable;
*/
#define RM_XLOG_ID 0
#define RM_XACT_ID 1
#define RM_HEAP_ID 2
#define RM_BTREE_ID 3
#define RM_HASH_ID 4
#define RM_RTREE_ID 5
#define RM_GIST_ID 6
#define RM_SMGR_ID 2
#define RM_HEAP_ID 10
#define RM_BTREE_ID 11
#define RM_HASH_ID 12
#define RM_RTREE_ID 13
#define RM_GIST_ID 14
#define RM_MAX_ID RM_GIST_ID
#endif /* RMGR_H */

6
src/include/access/xlog.h
View File

@ -22,7 +22,7 @@ typedef struct XLogRecord
XLogRecPtr xl_prev; /* ptr to previous record in log */
XLogRecPtr xl_xact_prev; /* ptr to previous record of this xact */
TransactionId xl_xid; /* xact id */
uint16 xl_len; /* len of record on this page */
uint16 xl_len; /* len of record *data* on this page */
uint8 xl_info;
RmgrId xl_rmid; /* resource manager inserted this record */
@ -32,6 +32,10 @@ typedef struct XLogRecord
#define SizeOfXLogRecord DOUBLEALIGN(sizeof(XLogRecord))
#define MAXLOGRECSZ (2 * BLCKSZ)
#define XLogRecGetData(record) \
((char*)record + SizeOfXLogRecord)
/*
* When there is no space on current page we continue on the next
* page with subrecord.

5
src/include/storage/itemptr.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: itemptr.h,v 1.14 2000/01/26 05:58:33 momjian Exp $
* $Id: itemptr.h,v 1.15 2000/07/04 01:49:44 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -30,6 +30,9 @@ typedef struct ItemPointerData
OffsetNumber ip_posid;
} ItemPointerData;
#define SizeOfIptrData \
(offsetof(ItemPointerData, ip_posid) + sizeof(OffsetNumber))
typedef ItemPointerData *ItemPointer;
/* ----------------