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WAL

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This commit is contained in:
Vadim B. Mikheev
2000-10-21 15:43:36 +00:00
parent 7c177a4908
commit a7fcadd10a
21 changed files with 1167 additions and 682 deletions
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38
src/backend/access/transam/xact.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.73 2000/10/20 11:01:04 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.74 2000/10/21 15:43:22 vadim Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@ -224,6 +224,7 @@ int CommitDelay;
void xact_redo(XLogRecPtr lsn, XLogRecord *record);
void xact_undo(XLogRecPtr lsn, XLogRecord *record);
void xact_desc(char *buf, uint8 xl_info, char* rec);
static void (*_RollbackFunc)(void*) = NULL;
static void *_RollbackData = NULL;
@ -692,6 +693,7 @@ RecordTransactionCommit()
TransactionIdCommit(xid);
#ifdef XLOG
if (MyLastRecPtr.xlogid != 0 || MyLastRecPtr.xrecoff != 0)
{
xl_xact_commit xlrec;
struct timeval delay;
@ -711,6 +713,9 @@ RecordTransactionCommit()
delay.tv_sec = 0;
delay.tv_usec = CommitDelay;
(void) select(0, NULL, NULL, NULL, &delay);
XLogFlush(recptr);
MyLastRecPtr.xlogid = 0;
MyLastRecPtr.xrecoff = 0;
}
#endif
/*
@ -823,7 +828,7 @@ RecordTransactionAbort()
TransactionIdAbort(xid);
#ifdef XLOG
if (SharedBufferChanged)
if (MyLastRecPtr.xlogid != 0 || MyLastRecPtr.xrecoff != 0)
{
xl_xact_abort xlrec;
XLogRecPtr recptr;
@ -1176,6 +1181,8 @@ AbortTransaction()
AtEOXact_Files();
/* Here we'll rollback xaction changes */
MyLastRecPtr.xlogid = 0;
MyLastRecPtr.xrecoff = 0;
AtAbort_Locks();
@ -1748,6 +1755,33 @@ xact_undo(XLogRecPtr lsn, XLogRecord *record)
else if (info != XLOG_XACT_ABORT)
elog(STOP, "xact_redo: unknown op code %u", info);
}
void
xact_desc(char *buf, uint8 xl_info, char* rec)
{
uint8 info = xl_info & ~XLR_INFO_MASK;
if (info == XLOG_XACT_COMMIT)
{
xl_xact_commit *xlrec = (xl_xact_commit*) rec;
struct tm *tm = localtime(&xlrec->xtime);
sprintf(buf + strlen(buf), "commit: %04u-%02u-%02u %02u:%02u:%02u",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}
else if (info == XLOG_XACT_ABORT)
{
xl_xact_abort *xlrec = (xl_xact_abort*) rec;
struct tm *tm = localtime(&xlrec->xtime);
sprintf(buf + strlen(buf), "abort: %04u-%02u-%02u %02u:%02u:%02u",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}
else
strcat(buf, "UNKNOWN");
}
void
XactPushRollback(void (*func) (void *), void* data)