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Kill re-incarnated bug arround

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Assert ( --Vnpages > 0 );
	and
Assert ( --Fnpages > 0 );
This commit is contained in:
Vadim B. Mikheev 1997-05-05 10:01:02 +00:00
parent 3e1933bc05
commit b45128f1c3
1 changed files with 7 additions and 3 deletions
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10
src/backend/commands/vacuum.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.31 1997/04/30 03:05:43 vadim Exp $ * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.32 1997/05/05 10:01:02 vadim Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -1025,14 +1025,18 @@ vc_rpfheap (VRelStats *vacrelstats, Relation onerel,
dowrite = true; dowrite = true;
} }
else else
{
Assert ( isempty ); Assert ( isempty );
Assert ( --Vnpages > 0 ); }
--Vnpages;
Assert ( Vnpages > 0 );
/* get prev reapped page from Vvpl */ /* get prev reapped page from Vvpl */
Vvplast = Vvpl->vpl_pgdesc[Vnpages - 1]; Vvplast = Vvpl->vpl_pgdesc[Vnpages - 1];
Vblklast = Vvplast->vpd_blkno; Vblklast = Vvplast->vpd_blkno;
if ( blkno == Fblklast ) /* this page in Fvpl too */ if ( blkno == Fblklast ) /* this page in Fvpl too */
{ {
Assert ( --Fnpages > 0 ); --Fnpages;
Assert ( Fnpages > 0 );
Assert ( Fvplast->vpd_nusd == 0 ); Assert ( Fvplast->vpd_nusd == 0 );
/* get prev reapped page from Fvpl */ /* get prev reapped page from Fvpl */
Fvplast = Fvpl->vpl_pgdesc[Fnpages - 1]; Fvplast = Fvpl->vpl_pgdesc[Fnpages - 1];