*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.40 1999/05/25 22:04:13 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.41 1999/06/07 15:14:54 vadim Exp $
*
* NOTES
* This file contains only the public interface routines.
Relation rel = scan->relation;
BTScanOpaque so = (BTScanOpaque) scan->opaque;
Buffer buf = so->btso_curbuf;
- Page page = BufferGetPage(buf);
+ Page page;
ItemPointer current = &(scan->currentItemData);
OffsetNumber offnum = ItemPointerGetOffsetNumber(current),
- maxoff = PageGetMaxOffsetNumber(page);
- BTPageOpaque opaque = (BTPageOpaque) PageGetSpecialPointer(page);
+ maxoff;
+ BTPageOpaque opaque;
ItemPointerData target = so->curHeapIptr;
BTItem item;
BlockNumber blkno;
- LockBuffer(buf, BT_READ);
+ LockBuffer(buf, BT_READ); /* lock buffer first! */
+ page = BufferGetPage(buf);
+ maxoff = PageGetMaxOffsetNumber(page);
+ opaque = (BTPageOpaque) PageGetSpecialPointer(page);
/*
* We use this as flag when first index tuple on page is deleted but