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WAL

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This commit is contained in:
Vadim B. Mikheev
2000-10-13 02:03:02 +00:00
parent 0b33ace678
commit 25a26a7ab8
5 changed files with 703 additions and 40 deletions
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20
src/backend/access/heap/heapam.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.86 2000/10/04 00:04:41 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.87 2000/10/13 02:02:59 vadim Exp $
*
*
* INTERFACE ROUTINES
@ -2016,6 +2016,22 @@ void heap_redo(XLogRecPtr lsn, XLogRecord *record)
elog(STOP, "heap_redo: unknown op code %u", info);
}
void heap_undo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
if (info == XLOG_HEAP_INSERT)
heap_xlog_insert(false, lsn, record);
else if (info == XLOG_HEAP_DELETE)
heap_xlog_delete(false, lsn, record);
else if (info == XLOG_HEAP_UPDATE)
heap_xlog_update(false, lsn, record);
else if (info == XLOG_HEAP_MOVE)
heap_xlog_move(false, lsn, record);
else
elog(STOP, "heap_undo: unknown op code %u", info);
}
void heap_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_delete *xlrec = (xl_heap_delete*) XLogRecGetData(record);
@ -2199,7 +2215,7 @@ void heap_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
else /* we can't delete tuple right now */
{
lp->lp_flags |= LP_DELETE; /* mark for deletion */
MarkBufferForCleanup(buffer, PageCleanup);
MarkBufferForCleanup(buffer, HeapPageCleanup);
}
}