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XLOG stuff for sequences.

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CommitDelay in guc.c
This commit is contained in:
Vadim B. Mikheev
2000-11-30 01:47:33 +00:00
parent 680b7357ce
commit 741510521c
10 changed files with 241 additions and 67 deletions
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15
src/backend/access/transam/rmgr.c
View File

@@ -7,8 +7,7 @@
#include "access/xact.h"
#include "access/xlog.h"
#include "storage/smgr.h"
#ifdef XLOG
#include "commands/sequence.h"
RmgrData RmgrTable[] = {
{"XLOG", xlog_redo, xlog_undo, xlog_desc},
@@ -25,15 +24,7 @@ RmgrData RmgrTable[] = {
{"Btree", btree_redo, btree_undo, btree_desc},
{"Hash", hash_redo, hash_undo, hash_desc},
{"Rtree", rtree_redo, rtree_undo, rtree_desc},
{"Gist", gist_redo, gist_undo, gist_desc}
{"Gist", gist_redo, gist_undo, gist_desc},
{"Sequence", seq_redo, seq_undo, seq_desc}
};
#else /* not XLOG */
/*
* This is a dummy, but don't write RmgrTable[] = {} here,
* that's not accepted by some compilers. -- petere
*/
RmgrData RmgrTable[1];
#endif /* not XLOG */

4
src/backend/access/transam/xact.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.84 2000/11/21 21:15:57 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.85 2000/11/30 01:47:31 vadim Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@@ -222,7 +222,7 @@ int XactIsoLevel;
#ifdef XLOG
#include "access/xlogutils.h"
int CommitDelay = 5; /* 1/200 sec */
int CommitDelay = 5; /* 1/200000 sec */
static void (*_RollbackFunc)(void*) = NULL;
static void *_RollbackData = NULL;

40
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 1.36 2000/11/28 23:27:54 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.37 2000/11/30 01:47:31 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -240,17 +240,26 @@ static bool InRedo = false;
XLogRecPtr
XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, char *buf, uint32 buflen)
{
XLogCtlInsert *Insert = &XLogCtl->Insert;
XLogRecord *record;
XLogSubRecord *subrecord;
XLogRecPtr RecPtr;
uint32 len = hdrlen + buflen,
freespace,
wlen;
uint16 curridx;
bool updrqst = false;
XLogCtlInsert *Insert = &XLogCtl->Insert;
XLogRecord *record;
XLogSubRecord *subrecord;
XLogRecPtr RecPtr;
uint32 len = hdrlen + buflen,
freespace,
wlen;
uint16 curridx;
bool updrqst = false;
bool no_tran = (rmid == RM_XLOG_ID) ? true : false;
if (info & XLR_INFO_MASK)
{
if ((info & XLR_INFO_MASK) != XLOG_NO_TRAN)
elog(STOP, "XLogInsert: invalid info mask %02X",
(info & XLR_INFO_MASK));
no_tran = true;
info &= ~XLR_INFO_MASK;
}
Assert(!(info & XLR_INFO_MASK));
if (len == 0 || len > MAXLOGRECSZ)
elog(STOP, "XLogInsert: invalid record len %u", len);
@@ -324,13 +333,14 @@ XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, char *buf, uint32
freespace -= SizeOfXLogRecord;
record = (XLogRecord *) Insert->currpos;
record->xl_prev = Insert->PrevRecord;
if (rmid != RM_XLOG_ID)
record->xl_xact_prev = MyLastRecPtr;
else
if (no_tran)
{
record->xl_xact_prev.xlogid = 0;
record->xl_xact_prev.xrecoff = 0;
}
else
record->xl_xact_prev = MyLastRecPtr;
record->xl_xid = GetCurrentTransactionId();
record->xl_len = (len > freespace) ? freespace : len;
record->xl_info = (len > freespace) ?
@@ -340,7 +350,7 @@ XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, char *buf, uint32
RecPtr.xrecoff =
XLogCtl->xlblocks[curridx].xrecoff - BLCKSZ +
Insert->currpos - ((char *) Insert->currpage);
if (MyLastRecPtr.xrecoff == 0 && rmid != RM_XLOG_ID)
if (MyLastRecPtr.xrecoff == 0 && !no_tran)
{
SpinAcquire(SInvalLock);
MyProc->logRec = RecPtr;