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Fix bug in wasender's xlogid boundary handling, reported by Erik Rijkers.

Browse Source 
LogwrtRqst.Write can be set to non-existent FF log segment, we mustn't
try to send that in XLogSend().

Also fix similar bug in ReadRecord(), which I just introduced in the
ReadRecord() refactoring patch.
This commit is contained in:
Heikki Linnakangas
2010-01-27 16:41:09 +00:00
parent 1bb2558046
commit 83cb7da7dc
2 changed files with 21 additions and 5 deletions
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8
src/backend/access/transam/xlog.c
View File

@ -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 1.362 2010/01/27 15:27:50 heikki Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.363 2010/01/27 16:41:09 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -3574,6 +3574,12 @@ ReadRecord(XLogRecPtr *RecPtr, int emode_arg, bool fetching_ckpt)
NextLogPage(tmpRecPtr);
/* We will account for page header size below */
}
if (tmpRecPtr.xrecoff >= XLogFileSize)
{
(tmpRecPtr.xlogid)++;
tmpRecPtr.xrecoff = 0;
}
}
else
{