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WAL fixes.

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This commit is contained in:
Vadim B. Mikheev
2000-10-29 18:33:41 +00:00
parent 433cd770bc
commit e3ba543525
3 changed files with 109 additions and 48 deletions
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17
src/backend/access/nbtree/nbtree.c
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.67 2000/10/21 15:43:18 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.68 2000/10/29 18:33:40 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -787,6 +787,7 @@ _bt_add_item(Page page, OffsetNumber offno,
if (PageAddItem(page, (Item) item, size, offno,
LP_USED) == InvalidOffsetNumber)
{
#ifdef NOT_USED /* it's not valid code currently */
/* ops, not enough space - try to deleted dead tuples */
bool result;
@ -795,6 +796,7 @@ _bt_add_item(Page page, OffsetNumber offno,
result = _bt_cleanup_page(page, hnode);
if (!result || PageAddItem(page, (Item) item, size, offno,
LP_USED) == InvalidOffsetNumber)
#endif
return(false);
}
@ -868,7 +870,7 @@ _bt_fix_left_page(Page page, XLogRecord *record, bool onleft)
(sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = MAXALIGN(itemsz);
if (item + itemsz < (char*)record + record->xl_len)
if (item + itemsz < (char*)xlrec + record->xl_len)
{
previtem = item;
item += itemsz;
@ -1173,6 +1175,8 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
else
pageop->btpo_next = ItemPointerGetBlockNumber(&(xlrec->target.tid));
pageop->btpo_flags &= ~BTP_ROOT;
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
UnlockAndWriteBuffer(buffer);
@ -1245,7 +1249,7 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
}
for (item = (char*)xlrec + hsize;
item < (char*)record + record->xl_len; )
item < (char*)xlrec + record->xl_len; )
{
memcpy(&btdata, item, sizeof(BTItemData));
itemsz = IndexTupleDSize(btdata.bti_itup) +
@ -1283,7 +1287,7 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
item = (char*)xlrec + SizeOfBtreeSplit +
sizeof(CommandId) + sizeof(RelFileNode);
for (cnt = 0; item < (char*)record + record->xl_len; )
for (cnt = 0; item < (char*)xlrec + record->xl_len; )
{
BTItem btitem = (BTItem)
(tbuf + cnt * (MAXALIGN(sizeof(BTItemData))));
@ -1306,6 +1310,9 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
/* Right (next) page */
blkno = BlockIdGetBlockNumber(&(xlrec->rightblk));
if (blkno == P_NONE)
return;
buffer = XLogReadBuffer(false, reln, blkno);
if (!BufferIsValid(buffer))
elog(STOP, "btree_split_%s: lost next right page", op);
@ -1385,7 +1392,7 @@ btree_xlog_newroot(bool redo, XLogRecPtr lsn, XLogRecord *record)
char *item;
for (item = (char*)xlrec + SizeOfBtreeNewroot;
item < (char*)record + record->xl_len; )
item < (char*)xlrec + record->xl_len; )
{
memcpy(&btdata, item, sizeof(BTItemData));
itemsz = IndexTupleDSize(btdata.bti_itup) +