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New CHECKPOINT command.

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Auto removing of offline log files and creating new file
at checkpoint time.
This commit is contained in:
Vadim B. Mikheev
2000-11-05 22:50:21 +00:00
parent 7267fdd7a3
commit f0e37a8531
11 changed files with 274 additions and 39 deletions
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10
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 1.79 2000/10/29 18:33:41 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.80 2000/11/05 22:50:19 vadim Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@ -678,7 +678,7 @@ RecordTransactionCommit()
leak = BufferPoolCheckLeak();
#ifdef XLOG
if (MyLastRecPtr.xlogid != 0 || MyLastRecPtr.xrecoff != 0)
if (MyLastRecPtr.xrecoff != 0)
{
xl_xact_commit xlrec;
struct timeval delay;
@ -701,7 +701,6 @@ RecordTransactionCommit()
delay.tv_usec = CommitDelay;
(void) select(0, NULL, NULL, NULL, &delay);
XLogFlush(recptr);
MyLastRecPtr.xlogid = 0;
MyLastRecPtr.xrecoff = 0;
TransactionIdCommit(xid);
@ -836,7 +835,7 @@ RecordTransactionAbort(void)
TransactionIdAbort(xid);
#ifdef XLOG
if (MyLastRecPtr.xlogid != 0 || MyLastRecPtr.xrecoff != 0)
if (MyLastRecPtr.xrecoff != 0)
{
xl_xact_abort xlrec;
XLogRecPtr recptr;
@ -844,6 +843,8 @@ RecordTransactionAbort(void)
xlrec.xtime = time(NULL);
recptr = XLogInsert(RM_XACT_ID, XLOG_XACT_ABORT,
(char*) &xlrec, SizeOfXactAbort, NULL, 0);
MyProc->logRec.xrecoff = 0;
}
#endif
@ -1189,7 +1190,6 @@ AbortTransaction(void)
AtEOXact_Files();
/* Here we'll rollback xaction changes */
MyLastRecPtr.xlogid = 0;
MyLastRecPtr.xrecoff = 0;
AtAbort_Locks();