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Nested transactions. There is still much left to do, especially on the

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performance front, but with feature freeze upon us I think it's time to
drive a stake in the ground and say that this will be in 7.5.

Alvaro Herrera, with some help from Tom Lane.
This commit is contained in:
Tom Lane
2004-07-01 00:52:04 +00:00
parent 4c9aa572fa
commit 573a71a5da
74 changed files with 4516 additions and 1144 deletions
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11
src/include/access/slru.h
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@@ -6,11 +6,12 @@
* Portions Copyright (c) 2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/slru.h,v 1.6 2004/05/31 03:48:08 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/slru.h,v 1.7 2004/07/01 00:51:38 tgl Exp $
*/
#ifndef SLRU_H
#define SLRU_H
#include "access/xlog.h"
#include "storage/lwlock.h"
@@ -56,4 +57,12 @@ extern void SimpleLruSetLatestPage(SlruCtl ctl, int pageno);
extern void SimpleLruFlush(SlruCtl ctl, bool checkpoint);
extern void SimpleLruTruncate(SlruCtl ctl, int cutoffPage);
/* XLOG stuff */
#define CLOG_ZEROPAGE 0x00
#define SUBTRANS_ZEROPAGE 0x10
extern void slru_redo(XLogRecPtr lsn, XLogRecord *record);
extern void slru_undo(XLogRecPtr lsn, XLogRecord *record);
extern void slru_desc(char *buf, uint8 xl_info, char *rec);
#endif /* SLRU_H */