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Added check is new item successfuly inserted to a page or not.

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This commit is contained in:
Vadim B. Mikheev
1997-06-06 03:11:46 +00:00
parent 8d1f52ef24
commit c8a38d5d97
2 changed files with 29 additions and 17 deletions
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36
src/backend/access/nbtree/nbtinsert.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.14 1997/05/31 06:35:56 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.15 1997/06/06 03:11:42 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -488,7 +488,8 @@ _bt_insertonpg(Relation rel,
upditem_offset = P_FIRSTKEY;
if ( !P_LEFTMOST(lpageop) ||
stack->bts_offset != upditem_offset )
elog (FATAL, "btree: items are out of order");
elog (FATAL, "btree: items are out of order (leftmost %d, stack %u, update %u)",
P_LEFTMOST(lpageop), stack->bts_offset, upditem_offset);
}
/*
* There was bug caused by deletion all minimum keys (K1) from
@@ -682,7 +683,8 @@ _bt_split(Relation rel, Buffer buf, BTItem hiRightItem)
+ (sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = DOUBLEALIGN(itemsz);
}
(void) PageAddItem(rightpage, (Item) item, itemsz, P_HIKEY, LP_USED);
if ( PageAddItem(rightpage, (Item) item, itemsz, P_HIKEY, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add hikey to the right sibling");
rightoff = P_FIRSTKEY;
} else {
/* splitting a rightmost page, "high key" is the first data item */
@@ -702,12 +704,14 @@ _bt_split(Relation rel, Buffer buf, BTItem hiRightItem)
/* decide which page to put it on */
if (i < firstright) {
(void) PageAddItem(leftpage, (Item) item, itemsz, leftoff,
LP_USED);
if ( PageAddItem(leftpage, (Item) item, itemsz, leftoff,
LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add item to the left sibling");
leftoff = OffsetNumberNext(leftoff);
} else {
(void) PageAddItem(rightpage, (Item) item, itemsz, rightoff,
LP_USED);
if ( PageAddItem(rightpage, (Item) item, itemsz, rightoff,
LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add item to the right sibling");
rightoff = OffsetNumberNext(rightoff);
}
}
@@ -735,7 +739,8 @@ _bt_split(Relation rel, Buffer buf, BTItem hiRightItem)
*/
PageManagerModeSet(OverwritePageManagerMode);
(void) PageAddItem(leftpage, (Item) item, itemsz, P_HIKEY, LP_USED);
if ( PageAddItem(leftpage, (Item) item, itemsz, P_HIKEY, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add hikey to the left sibling");
PageManagerModeSet(ShufflePageManagerMode);
/*
@@ -913,7 +918,8 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf)
* page is the rightmost page on its level so the "high key" item
* is the first data item.
*/
(void) PageAddItem(rootpage, (Item) new_item, itemsz, P_HIKEY, LP_USED);
if ( PageAddItem(rootpage, (Item) new_item, itemsz, P_HIKEY, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add leftkey to new root page");
pfree(new_item);
/*
@@ -929,7 +935,8 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf)
/*
* insert the right page pointer into the new root page.
*/
(void) PageAddItem(rootpage, (Item) new_item, itemsz, P_FIRSTKEY, LP_USED);
if ( PageAddItem(rootpage, (Item) new_item, itemsz, P_FIRSTKEY, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add rightkey to new root page");
pfree(new_item);
/* write and let go of the root buffer */
@@ -981,7 +988,8 @@ _bt_pgaddtup(Relation rel,
} while ( ! BTItemSame (chkitem, afteritem) );
}
(void) PageAddItem(page, (Item) btitem, itemsize, itup_off, LP_USED);
if ( PageAddItem(page, (Item) btitem, itemsize, itup_off, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add item to the page");
/* write the buffer, but hold our lock */
_bt_wrtnorelbuf(rel, buf);
@@ -1325,14 +1333,16 @@ _bt_shift (Relation rel, Buffer buf, BTStack stack, int keysz,
itemsz = IndexTupleDSize(hikey->bti_itup)
+ (sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = DOUBLEALIGN(itemsz);
(void) PageAddItem(page, (Item) hikey, itemsz, P_HIKEY, LP_USED);
if ( PageAddItem(page, (Item) hikey, itemsz, P_HIKEY, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add hikey in _bt_shift");
pfree (hikey);
/* add btitem */
itemsz = IndexTupleDSize(btitem->bti_itup)
+ (sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = DOUBLEALIGN(itemsz);
(void) PageAddItem(page, (Item) btitem, itemsz, P_FIRSTKEY, LP_USED);
if ( PageAddItem(page, (Item) btitem, itemsz, P_FIRSTKEY, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add firstkey in _bt_shift");
pfree (btitem);
nitem = (BTItem) PageGetItem(page, PageGetItemId(page, P_FIRSTKEY));
btitem = _bt_formitem(&(nitem->bti_itup));

10
src/backend/access/nbtree/nbtsort.c
View File

@@ -5,7 +5,7 @@
*
*
* IDENTIFICATION
* $Id: nbtsort.c,v 1.16 1997/05/30 18:35:40 vadim Exp $
* $Id: nbtsort.c,v 1.17 1997/06/06 03:11:46 vadim Exp $
*
* NOTES
*
@@ -938,8 +938,9 @@ _bt_buildadd(Relation index, void *pstate, BTItem bti, int flags)
o <= last_off;
o = OffsetNumberNext(o), n = OffsetNumberNext(n)) {
ii = PageGetItemId(opage, o);
(void) PageAddItem(npage, PageGetItem(opage, ii),
ii->lp_len, n, LP_USED);
if ( PageAddItem(npage, PageGetItem(opage, ii),
ii->lp_len, n, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add item to the page in _bt_sort (1)");
#if 0
#if defined(FASTBUILD_DEBUG) && defined(FASTBUILD_MERGE)
{
@@ -1021,7 +1022,8 @@ _bt_buildadd(Relation index, void *pstate, BTItem bti, int flags)
* new chain of duplicates.
*/
off = OffsetNumberNext(last_off);
(void) PageAddItem(npage, (Item) bti, btisz, off, LP_USED);
if ( PageAddItem(npage, (Item) bti, btisz, off, LP_USED) == InvalidOffsetNumber )
elog (FATAL, "btree: failed to add item to the page in _bt_sort (2)");
#if 0
#if defined(FASTBUILD_DEBUG) && defined(FASTBUILD_MERGE)
{