diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtinsert.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtinsert.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/backend/access/nbtree/nbtinsert.c b/src/backend/access/nbtree/nbtinsert.c index d5d245f1ee7..a0cec5d85a9 100644 --- a/src/backend/access/nbtree/nbtinsert.c +++ b/src/backend/access/nbtree/nbtinsert.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.35 1999/02/13 23:14:34 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.36 1999/03/28 20:31:56 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -853,6 +853,8 @@ _bt_split(Relation rel, Buffer buf, OffsetNumber firstright) lopaque->btpo_next = BufferGetBlockNumber(rbuf); ropaque->btpo_next = oopaque->btpo_next; + lopaque->btpo_parent = ropaque->btpo_parent = oopaque->btpo_parent; + /* * If the page we're splitting is not the rightmost page at its level * in the tree, then the first (0) entry on the page is the high key @@ -1103,6 +1105,7 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf) /* get a new root page */ rootbuf = _bt_getbuf(rel, P_NEW, BT_WRITE); rootpage = BufferGetPage(rootbuf); + rootbknum = BufferGetBlockNumber(rootbuf); _bt_pageinit(rootpage, BufferGetPageSize(rootbuf)); /* set btree special data */ @@ -1119,6 +1122,10 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf) lpage = BufferGetPage(lbuf); rpage = BufferGetPage(rbuf); + ((BTPageOpaque) PageGetSpecialPointer(lpage))->btpo_parent = + ((BTPageOpaque) PageGetSpecialPointer(rpage))->btpo_parent = + rootbknum; + /* * step over the high key on the left page while building the left * page pointer. @@ -1156,11 +1163,13 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf) pfree(new_item); /* write and let go of the root buffer */ - rootbknum = BufferGetBlockNumber(rootbuf); _bt_wrtbuf(rel, rootbuf); /* update metadata page with new root block number */ _bt_metaproot(rel, rootbknum, 0); + + WriteNoReleaseBuffer(lbuf); + WriteNoReleaseBuffer(rbuf); } /* @@ -1559,6 +1568,7 @@ _bt_shift(Relation rel, Buffer buf, BTStack stack, int keysz, pageop->btpo_flags |= BTP_CHAIN; pageop->btpo_prev = npageop->btpo_prev; /* restore prev */ pageop->btpo_next = nbknum; /* next points to the new page */ + pageop->btpo_parent = npageop->btpo_parent; /* init shifted page opaque */ npageop->btpo_prev = bknum = BufferGetBlockNumber(buf); |