mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add cross-check that current timeline of pg_control is an ancestor of

Browse Source 
recovery_target_timeline --- otherwise there is no path from the backup
to the requested timeline.  This check was foreseen in the original
discussion but I forgot to implement it.
This commit is contained in:
Tom Lane 2004-07-22 21:09:37 +00:00
parent 3dba9cb694
commit acd907bfcc
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/backend/access/transam/xlog.c
View File

@ -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 1.151 2004/07/22 20:18:40 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.152 2004/07/22 21:09:37 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -4008,6 +4008,18 @@ StartupXLOG(void)
/* Now we can determine the list of expected TLIs */
expectedTLIs = readTimeLineHistory(recoveryTargetTLI);
/*
* If pg_control's timeline is not in expectedTLIs, then we cannot
* proceed: the backup is not part of the history of the requested
* timeline.
*/
if (!list_member_int(expectedTLIs,
(int) ControlFile->checkPointCopy.ThisTimeLineID))
ereport(FATAL,
(errmsg("requested timeline %u is not a child of database system timeline %u",
recoveryTargetTLI,
ControlFile->checkPointCopy.ThisTimeLineID)));
/*
* Get the last valid checkpoint record. If the latest one according
* to pg_control is broken, try the next-to-last one.