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Write a WAL record whenever we perform an operation without WAL-logging

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that would've been WAL-logged if archiving was enabled. If we encounter
such records in archive recovery anyway, we know that some data is
missing from the log. A WARNING is emitted in that case.

Original patch by Fujii Masao, with changes by me.
This commit is contained in:
Heikki Linnakangas
2010-01-20 19:43:40 +00:00
parent 47ce95a7b9
commit 09b115f706
7 changed files with 100 additions and 7 deletions
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3
src/include/access/xlog.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/xlog.h,v 1.97 2010/01/16 00:04:41 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/xlog.h,v 1.98 2010/01/20 19:43:40 heikki Exp $
*/
#ifndef XLOG_H
#define XLOG_H
@@ -278,6 +278,7 @@ extern void InitXLOGAccess(void);
extern void CreateCheckPoint(int flags);
extern bool CreateRestartPoint(int flags);
extern void XLogPutNextOid(Oid nextOid);
extern void XLogReportUnloggedStatement(char *reason);
extern XLogRecPtr GetRedoRecPtr(void);
extern XLogRecPtr GetInsertRecPtr(void);
extern XLogRecPtr GetWriteRecPtr(void);