database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-04 20:11:56 +03:00
Code Activity

WAL

Browse Source
This commit is contained in:
Vadim B. Mikheev
2000-10-21 15:43:36 +00:00
parent 7c177a4908
commit a7fcadd10a
21 changed files with 1167 additions and 682 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
src/backend/access/nbtree/nbtinsert.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.66 2000/10/13 12:05:20 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.67 2000/10/21 15:43:18 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -527,12 +527,13 @@ _bt_insertonpg(Relation rel,
{
char xlbuf[sizeof(xl_btree_insert) +
sizeof(CommandId) + sizeof(RelFileNode)];
xl_btree_insert *xlrec = xlbuf;
xl_btree_insert *xlrec = (xl_btree_insert*)xlbuf;
int hsize = SizeOfBtreeInsert;
BTItemData truncitem;
BTItem xlitem = btitem;
Size xlsize = IndexTupleDSize(btitem->bti_itup) +
(sizeof(BTItemData) - sizeof(IndexTupleData));
XLogRecPtr recptr;
xlrec->target.node = rel->rd_node;
ItemPointerSet(&(xlrec->target.tid), BufferGetBlockNumber(buf), newitemoff);
@@ -555,7 +556,7 @@ _bt_insertonpg(Relation rel,
xlsize = sizeof(BTItemData);
}
XLogRecPtr recptr = XLogInsert(RM_BTREE_ID, XLOG_BTREE_INSERT,
recptr = XLogInsert(RM_BTREE_ID, XLOG_BTREE_INSERT,
xlbuf, hsize, (char*) xlitem, xlsize);
PageSetLSN(page, recptr);
@@ -785,17 +786,19 @@ _bt_split(Relation rel, Buffer buf, OffsetNumber firstright,
{
char xlbuf[sizeof(xl_btree_split) +
sizeof(CommandId) + sizeof(RelFileNode) + BLCKSZ];
xl_btree_split *xlrec = xlbuf;
xl_btree_split *xlrec = (xl_btree_split*) xlbuf;
int hsize = SizeOfBtreeSplit;
int flag = (newitemonleft) ?
XLOG_BTREE_SPLEFT : XLOG_BTREE_SPLIT;
BlockNumber blkno;
XLogRecPtr recptr;
xlrec->target.node = rel->rd_node;
ItemPointerSet(&(xlrec->target.tid), itup_blkno, itup_off);
ItemPointerSet(&(xlrec->target.tid), *itup_blkno, *itup_off);
if (P_ISLEAF(lopaque))
{
CommandId cid = GetCurrentCommandId();
memcpy(xlbuf + hsize, &(char*)cid, sizeof(CommandId));
memcpy(xlbuf + hsize, &cid, sizeof(CommandId));
hsize += sizeof(CommandId);
memcpy(xlbuf + hsize, &(_xlheapRel->rd_node), sizeof(RelFileNode));
hsize += sizeof(RelFileNode);
@@ -814,7 +817,7 @@ _bt_split(Relation rel, Buffer buf, OffsetNumber firstright,
* Actually, seems that in non-leaf splits newitem shouldn't
* go to first data key position on left page.
*/
if (! P_ISLEAF(lopaque) && itup_off == P_FIRSTDATAKEY(lopaque))
if (! P_ISLEAF(lopaque) && *itup_off == P_FIRSTDATAKEY(lopaque))
{
BTItemData truncitem = *newitem;
truncitem.bti_itup.t_info = sizeof(BTItemData);
@@ -828,20 +831,24 @@ _bt_split(Relation rel, Buffer buf, OffsetNumber firstright,
memcpy(xlbuf + hsize, (char*) newitem, itemsz);
hsize += itemsz;
}
xlrec->otherblk = BufferGetBlockNumber(rbuf);
blkno = BufferGetBlockNumber(rbuf);
BlockIdSet(&(xlrec->otherblk), blkno);
}
else
xlrec->otherblk = BufferGetBlockNumber(buf);
{
blkno = BufferGetBlockNumber(buf);
BlockIdSet(&(xlrec->otherblk), blkno);
}
xlrec->rightblk = ropaque->btpo_next;
BlockIdSet(&(xlrec->rightblk), ropaque->btpo_next);
/*
* Dirrect access to page is not good but faster - we should
* implement some new func in page API.
*/
XLogRecPtr recptr = XLogInsert(RM_BTREE_ID, flag, xlbuf,
hsize, (char*)rightpage + (PageHeader) rightpage)->pd_upper,
((PageHeader) rightpage)->pd_special - ((PageHeader) rightpage)->upper);
recptr = XLogInsert(RM_BTREE_ID, flag, xlbuf,
hsize, (char*)rightpage + ((PageHeader) rightpage)->pd_upper,
((PageHeader) rightpage)->pd_special - ((PageHeader) rightpage)->pd_upper);
PageSetLSN(leftpage, recptr);
PageSetSUI(leftpage, ThisStartUpID);
@@ -1070,7 +1077,7 @@ static Buffer
_bt_getstackbuf(Relation rel, BTStack stack)
{
BlockNumber blkno;
Buffer buf, newbuf;
Buffer buf;
OffsetNumber start,
offnum,
maxoff;
@@ -1236,6 +1243,7 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf)
xl_btree_newroot xlrec;
Page metapg = BufferGetPage(metabuf);
BTMetaPageData *metad = BTPageGetMeta(metapg);
XLogRecPtr recptr;
xlrec.node = rel->rd_node;
BlockIdSet(&(xlrec.rootblk), rootblknum);
@@ -1244,10 +1252,10 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf)
* Dirrect access to page is not good but faster - we should
* implement some new func in page API.
*/
XLogRecPtr recptr = XLogInsert(RM_BTREE_ID, XLOG_BTREE_NEWROOT,
&xlrec, SizeOfBtreeNewroot,
(char*)rootpage + (PageHeader) rootpage)->pd_upper,
((PageHeader) rootpage)->pd_special - ((PageHeader) rootpage)->upper);
recptr = XLogInsert(RM_BTREE_ID, XLOG_BTREE_NEWROOT,
(char*)&xlrec, SizeOfBtreeNewroot,
(char*)rootpage + ((PageHeader) rootpage)->pd_upper,
((PageHeader) rootpage)->pd_special - ((PageHeader) rootpage)->pd_upper);
metad->btm_root = rootblknum;
(metad->btm_level)++;