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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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7
src/backend/access/transam/xlog.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.146 2004/06/03 02:08:00 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.147 2004/07/01 00:49:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -22,6 +22,7 @@
#include <sys/time.h>
#include "access/clog.h"
#include "access/subtrans.h"
#include "access/transam.h"
#include "access/xact.h"
#include "access/xlog.h"
@ -2755,6 +2756,7 @@ BootStrapXLOG(void)
/* Bootstrap the commit log, too */
BootStrapCLOG();
BootStrapSUBTRANS();
}
static char *
@ -3154,6 +3156,7 @@ StartupXLOG(void)
/* Start up the commit log, too */
StartupCLOG();
StartupSUBTRANS();
ereport(LOG,
(errmsg("database system is ready")));
@ -3292,6 +3295,7 @@ ShutdownXLOG(int code, Datum arg)
CritSectionCount++;
CreateCheckPoint(true, true);
ShutdownCLOG();
ShutdownSUBTRANS();
CritSectionCount--;
ereport(LOG,
@ -3467,6 +3471,7 @@ CreateCheckPoint(bool shutdown, bool force)
END_CRIT_SECTION();
CheckPointCLOG();
CheckPointSUBTRANS();
FlushBufferPool();
START_CRIT_SECTION();