diff options
Diffstat (limited to 'src/backend/access/transam/xlog.c')
| -rw-r--r-- | src/backend/access/transam/xlog.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 872722b856c..fbe61e5691c 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.100 2002/08/05 01:24:13 thomas Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.101 2002/08/06 02:36:33 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -136,11 +136,20 @@ bool InRecovery = false; * to be set true. The latter can be used to test whether the current xact * made any loggable changes (including out-of-xact changes, such as * sequence updates). + * + * When we insert/update/delete a tuple in a temporary relation, we do not + * make any XLOG record, since we don't care about recovering the state of + * the temp rel after a crash. However, we will still need to remember + * whether our transaction committed or aborted in that case. So, we must + * set MyXactMadeTempRelUpdate true to indicate that the XID will be of + * interest later. */ XLogRecPtr MyLastRecPtr = {0, 0}; bool MyXactMadeXLogEntry = false; +bool MyXactMadeTempRelUpdate = false; + /* * ProcLastRecPtr points to the start of the last XLOG record inserted by the * current backend. It is updated for all inserts, transaction-controlled @@ -2923,6 +2932,7 @@ ShutdownXLOG(void) /* suppress in-transaction check in CreateCheckPoint */ MyLastRecPtr.xrecoff = 0; MyXactMadeXLogEntry = false; + MyXactMadeTempRelUpdate = false; CritSectionCount++; CreateDummyCaches(); @@ -3084,12 +3094,10 @@ CreateCheckPoint(bool shutdown) /* * Having constructed the checkpoint record, ensure all shmem disk - * buffers are flushed to disk. + * buffers and commit-log buffers are flushed to disk. */ - FlushBufferPool(); - - /* And commit-log buffers, too */ CheckPointCLOG(); + FlushBufferPool(); /* * Now insert the checkpoint record into XLOG. |