diff options
| -rw-r--r-- | src/include/access/nbtree.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h index ed35f7b1f0a..e8d0950ecc1 100644 --- a/src/include/access/nbtree.h +++ b/src/include/access/nbtree.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: nbtree.h,v 1.50 2001/01/24 19:43:19 momjian Exp $ + * $Id: nbtree.h,v 1.51 2001/02/07 23:34:18 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -50,6 +50,10 @@ typedef BTPageOpaqueData *BTPageOpaque; #define BTREE_METAPAGE 0 /* first page is meta */ #define BTREE_MAGIC 0x053162 +#define BTreeInvalidParent(opaque) \ + (opaque->btpo_parent == InvalidBlockNumber || \ + opaque->btpo_parent == BTREE_METAPAGE) + #define BTREE_VERSION 1 typedef struct BTMetaPageData |