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Suppress attempts to report dropped tables to the stats collector from a

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startup or recovery process.  Since such a process isn't a real backend,
pgstat.c gets confused.  This accounts for recent reports of strange
"invalid server process ID -1" log messages during crash recovery.
There isn't any point in attempting to make the report, since we'll discard
stats in such scenarios anyhow.
This commit is contained in:
Tom Lane 2006-03-30 22:11:55 +00:00
parent bee34e9930
commit 4243f2387a
1 changed files with 9 additions and 3 deletions
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12
src/backend/storage/smgr/smgr.c
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@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/smgr/smgr.c,v 1.97 2006/03/24 04:32:13 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/smgr/smgr.c,v 1.98 2006/03/30 22:11:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -470,8 +470,14 @@ smgr_internal_unlink(RelFileNode rnode, int which, bool isTemp, bool isRedo)
*/
FreeSpaceMapForgetRel(&rnode);
/* Tell the stats collector to forget it immediately, too. */
pgstat_drop_relation(rnode.relNode);
/*
* Tell the stats collector to forget it immediately, too. Skip this
* in recovery mode, since the stats collector likely isn't running
* (and if it is, pgstat.c will get confused because we aren't a real
* backend process).
*/
if (!InRecovery)
pgstat_drop_relation(rnode.relNode);
/*
* And delete the physical files.