*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.135 2000/01/15 22:43:22 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.136 2000/01/19 22:23:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
if (NameStr(*VacRelP))
{
+ /* we could use the cache here, but it is clearer to use
+ * scankeys for both vacuum cases, bjm 2000/01/19
+ */
ScanKeyEntryInitialize(&key, 0x0, Anum_pg_class_relname,
F_NAMEEQ,
PointerGetDatum(NameStr(*VacRelP)));
}
else if (!TransactionIdIsInProgress(tuple.t_data->t_xmin))
{
-
/*
* Not Aborted, Not Committed, Not in Progress -
* so it's from crashed process. - vadim 11/26/96
}
else if (!TransactionIdIsInProgress(tuple.t_data->t_xmax))
{
-
/*
* Not Aborted, Not Committed, Not in Progress - so it
* from crashed process. - vadim 06/02/97
}
else
dobufrel = true;
- if (tempPage != (Page) NULL)
+
+ if (tempPage != (Page) NULL)
{ /* Some tuples are gone */
PageRepairFragmentation(tempPage);
vpc->vpd_free = ((PageHeader) tempPage)->pd_upper - ((PageHeader) tempPage)->pd_lower;
* This means that in the middle of chain there was
* tuple updated by older (than XmaxRecent) xaction
* and this tuple is already deleted by me. Actually,
- * upper part of chain should be removed and seems
+ * upper part of chain should be removed and seems
* that this should be handled in vc_scanheap(), but
* it's not implemented at the moment and so we
* just stop shrinking here.
if (vc_enough_space(fraged_pages->vpl_pagedesc[i], tlen))
break;
}
- if (i == num_fraged_pages) /* can't move item
- * anywhere */
- {
+
+ /* can't move item anywhere */
+ if (i == num_fraged_pages)
+ {
for (i = 0; i < num_vtmove; i++)
{
Assert(vtmove[i].vpd->vpd_offsets_used > 0);
free_vtmove--;
num_vtmove++;
- /*
- * All done ?
- */
+ /* All done ? */
if (!(tp.t_data->t_infomask & HEAP_UPDATED) ||
tp.t_data->t_xmin < XmaxRecent)
break;
- /*
- * Well, try to find tuple with old row version
- */
+ /* Well, try to find tuple with old row version */
for (;;)
{
Buffer Pbuf;
/*
* Read above about cases when !ItemIdIsUsed(Citemid)
* (child item is removed)... Due to the fact that
- * at the moment we don't remove unuseful part of
+ * at the moment we don't remove unuseful part of
* update-chain, it's possible to get too old
- * parent row here. Like as in the case which
+ * parent row here. Like as in the case which
* caused this problem, we stop shrinking here.
* I could try to find real parent row but want
* not to do it because of real solution will
}
}
- } /* walk along page */
+ } /* walk along page */
if (offnum < maxoff && keep_tuples > 0)
{
elog(ERROR, "HEAP_MOVED_IN was not expected (2)");
if (tuple.t_data->t_infomask & HEAP_MOVED_OFF)
{
- if (chain_tuple_moved) /* some chains was moved
- * while */
- { /* cleaning this page */
+ /* some chains was moved while */
+ if (chain_tuple_moved)
+ { /* cleaning this page */
Assert(vpc->vpd_offsets_free > 0);
for (i = 0; i < vpc->vpd_offsets_free; i++)
{
vacrelstats->num_tuples, keep_tuples);
}
- /*
- * clean moved tuples from last page in Nvpl list
- */
+ /* clean moved tuples from last page in Nvpl list */
if (vpc->vpd_blkno == blkno - 1 && vpc->vpd_offsets_free > 0)
{
buf = ReadBuffer(onerel, vpc->vpd_blkno);