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Repair possible failure to update hint bits back to disk, per

Browse Source 
http://archives.postgresql.org/pgsql-hackers/2004-10/msg00464.php.
I plan a more permanent fix in HEAD, but for the back branches it seems
best to just touch the places that actually have a problem.
This commit is contained in:
Tom Lane
2004-10-13 22:22:03 +00:00
parent 2dc3a1d2a7
commit 2d46f0e613
3 changed files with 32 additions and 6 deletions
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7
contrib/pgstattuple/pgstattuple.c
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@ -1,5 +1,5 @@
/*
* $Header: /cvsroot/pgsql/contrib/pgstattuple/pgstattuple.c,v 1.12 2003/08/04 00:43:11 momjian Exp $
* $Header: /cvsroot/pgsql/contrib/pgstattuple/pgstattuple.c,v 1.12.4.1 2004/10/13 22:22:00 tgl Exp $
*
* Copyright (c) 2001,2002 Tatsuo Ishii
*
@ -137,6 +137,9 @@ pgstattuple_real(Relation rel)
/* scan the relation */
while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
uint16 sv_infomask;
sv_infomask = tuple->t_data->t_infomask;
if (HeapTupleSatisfiesNow(tuple->t_data))
{
tuple_len += tuple->t_len;
@ -147,6 +150,8 @@ pgstattuple_real(Relation rel)
dead_tuple_len += tuple->t_len;
dead_tuple_count++;
}
if (sv_infomask != tuple->t_data->t_infomask)
SetBufferCommitInfoNeedsSave(scan->rs_cbuf);
/*
* To avoid physically reading the table twice, try to do the