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authorTom Lane2001-07-02 20:50:46 +0000
committerTom Lane2001-07-02 20:50:46 +0000
commit42748087c13aaa94563f29ed120848b228c40b07 (patch)
tree3eb877baeae90b30ffd9d3bef6dd248945a68ca1 /src/include/storage/block.h
parent755e367cb20091aa0ef5637c0e8882b8db6b39fe (diff)
First non-stub implementation of shared free space map. It's not super
useful as yet, since its primary source of information is (full) VACUUM, which makes a concerted effort to get rid of free space before telling the map about it ... next stop is concurrent VACUUM ...
Diffstat (limited to 'src/include/storage/block.h')
-rw-r--r--src/include/storage/block.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/include/storage/block.h b/src/include/storage/block.h
index 870954dd39e..d13f3c8f06e 100644
--- a/src/include/storage/block.h
+++ b/src/include/storage/block.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: block.h,v 1.12 2001/01/24 19:43:27 momjian Exp $
+ * $Id: block.h,v 1.13 2001/07/02 20:50:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -32,6 +32,8 @@ typedef uint32 BlockNumber;
#define InvalidBlockNumber ((BlockNumber) 0xFFFFFFFF)
+#define MaxBlockNumber ((BlockNumber) 0xFFFFFFFE)
+
/*
* BlockId:
*