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Install new alignment code to use MAXALIGN rather than DOUBLEALIGN where

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approproate.
This commit is contained in:
Bruce Momjian
1999-07-19 07:07:29 +00:00
parent e259780b13
commit faf7d78174
19 changed files with 70 additions and 69 deletions
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16
src/backend/access/nbtree/nbtinsert.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.48 1999/07/17 20:16:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.49 1999/07/19 07:07:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -263,7 +263,7 @@ _bt_insertonpg(Relation rel,
itemsz = IndexTupleDSize(btitem->bti_itup)
+ (sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = DOUBLEALIGN(itemsz); /* be safe, PageAddItem will do
itemsz = MAXALIGN(itemsz); /* be safe, PageAddItem will do
* this but we need to be
* consistent */
@@ -369,7 +369,7 @@ _bt_insertonpg(Relation rel,
if (currsize > maxsize)
maxsize = currsize;
maxsize += sizeof(PageHeaderData) +
DOUBLEALIGN(sizeof(BTPageOpaqueData));
MAXALIGN(sizeof(BTPageOpaqueData));
if (maxsize >= PageGetPageSize(page) / 2)
do_split = true;
}
@@ -460,7 +460,7 @@ _bt_insertonpg(Relation rel,
maxoff = PageGetMaxOffsetNumber(page);
llimit = PageGetPageSize(page) - sizeof(PageHeaderData) -
DOUBLEALIGN(sizeof(BTPageOpaqueData))
MAXALIGN(sizeof(BTPageOpaqueData))
+sizeof(ItemIdData);
llimit /= 2;
firstright = _bt_findsplitloc(rel, page, start, maxoff, llimit);
@@ -689,8 +689,8 @@ l_spl: ;
* then we must forse insertion.
*/
if (!parent_chained &&
DOUBLEALIGN(IndexTupleDSize(lowLeftItem->bti_itup)) ==
DOUBLEALIGN(IndexTupleDSize(stack->bts_btitem->bti_itup)))
MAXALIGN(IndexTupleDSize(lowLeftItem->bti_itup)) ==
MAXALIGN(IndexTupleDSize(stack->bts_btitem->bti_itup)))
{
_bt_updateitem(rel, keysz, pbuf,
stack->bts_btitem, lowLeftItem);
@@ -1591,7 +1591,7 @@ _bt_shift(Relation rel, Buffer buf, BTStack stack, int keysz,
/* add passed hikey */
itemsz = IndexTupleDSize(hikey->bti_itup)
+ (sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = DOUBLEALIGN(itemsz);
itemsz = MAXALIGN(itemsz);
if (PageAddItem(page, (Item) hikey, itemsz, P_HIKEY, LP_USED) == InvalidOffsetNumber)
elog(FATAL, "btree: failed to add hikey in _bt_shift");
pfree(hikey);
@@ -1599,7 +1599,7 @@ _bt_shift(Relation rel, Buffer buf, BTStack stack, int keysz,
/* add btitem */
itemsz = IndexTupleDSize(btitem->bti_itup)
+ (sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = DOUBLEALIGN(itemsz);
itemsz = MAXALIGN(itemsz);
if (PageAddItem(page, (Item) btitem, itemsz, P_FIRSTKEY, LP_USED) == InvalidOffsetNumber)
elog(FATAL, "btree: failed to add firstkey in _bt_shift");
pfree(btitem);