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If a base backup is cancelled by server shutdown or crash, throw an error

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in WAL recovery when it sees the shutdown checkpoint record. It's more
user-friendly to find out about it at that point than at the end of
recovery, and you're not left wondering why your hot standby server never
opens up for read-only connections.
This commit is contained in:
Heikki Linnakangas 2010-04-27 09:25:18 +00:00
parent 3456cf1831
commit 3efba16d56
1 changed files with 11 additions and 1 deletions
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12
src/backend/access/transam/xlog.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.403 2010/04/23 20:21:31 sriggs Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.404 2010/04/27 09:25:18 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -7713,6 +7713,16 @@ xlog_redo(XLogRecPtr lsn, XLogRecord *record)
if (standbyState != STANDBY_DISABLED)
CheckRequiredParameterValues(checkPoint);
/*
* If we see a shutdown checkpoint while waiting for an
* end-of-backup record, the backup was cancelled and the
* end-of-backup record will never arrive.
*/
if (InArchiveRecovery &&
!XLogRecPtrIsInvalid(ControlFile->backupStartPoint))
ereport(ERROR,
(errmsg("online backup was cancelled, recovery cannot continue")));
/*
* If we see a shutdown checkpoint, we know that nothing was
* running on the master at this point. So fake-up an empty