database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-01 21:31:19 +03:00
Code Activity

First cut at recycling space in btree indexes. Still some rough edges

Browse Source 
to fix, but it seems to basically work...
This commit is contained in:
Tom Lane
2003-02-23 06:17:13 +00:00
parent 27854915b9
commit 88dc31e3f2
8 changed files with 745 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/backend/access/nbtree/nbtinsert.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.98 2003/02/22 00:45:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.99 2003/02/23 06:17:13 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -58,7 +58,6 @@ static OffsetNumber _bt_findsplitloc(Relation rel, Page page,
static void _bt_checksplitloc(FindSplitData *state, OffsetNumber firstright,
int leftfree, int rightfree,
bool newitemonleft, Size firstrightitemsz);
static Buffer _bt_getstackbuf(Relation rel, BTStack stack, int access);
static void _bt_pgaddtup(Relation rel, Page page,
Size itemsize, BTItem btitem,
OffsetNumber itup_off, const char *where);
@@ -666,7 +665,6 @@ _bt_split(Relation rel, Buffer buf, OffsetNumber firstright,
rightoff;
OffsetNumber maxoff;
OffsetNumber i;
BTItem lhikey;
rbuf = _bt_getbuf(rel, P_NEW, BT_WRITE);
origpage = BufferGetPage(buf);
@@ -730,7 +728,6 @@ _bt_split(Relation rel, Buffer buf, OffsetNumber firstright,
itemsz = ItemIdGetLength(itemid);
item = (BTItem) PageGetItem(origpage, itemid);
}
lhikey = item;
if (PageAddItem(leftpage, (Item) item, itemsz, leftoff,
LP_USED) == InvalidOffsetNumber)
elog(PANIC, "btree: failed to add hikey to the left sibling");
@@ -1262,7 +1259,7 @@ _bt_insert_parent(Relation rel,
*
* Returns InvalidBuffer if item not found (should not happen).
*/
static Buffer
Buffer
_bt_getstackbuf(Relation rel, BTStack stack, int access)
{
BlockNumber blkno;