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Initial MVCC code.

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New code for locking buffer' context.
This commit is contained in:
Vadim B. Mikheev
1998-12-15 12:47:01 +00:00
parent c5a27161a1
commit 3f7fbf85dc
65 changed files with 1391 additions and 1282 deletions
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3
src/include/access/htup.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: htup.h,v 1.11 1998/11/27 19:33:31 vadim Exp $
* $Id: htup.h,v 1.12 1998/12/15 12:46:46 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -116,6 +116,7 @@ typedef HeapTupleData *HeapTuple;
#define HEAP_XMIN_INVALID 0x0200 /* t_xmin invalid/aborted */
#define HEAP_XMAX_COMMITTED 0x0400 /* t_xmax committed */
#define HEAP_XMAX_INVALID 0x0800 /* t_xmax invalid/aborted */
#define HEAP_MARKED_FOR_UPDATE 0x1000 /* marked for UPDATE */
#define HEAP_XACT_MASK 0x0F00 /* */