From be8300b18f26363c0b18c62fa884a6a62e26405e Mon Sep 17 00:00:00 2001
From: "Vadim B. Mikheev" <vadim4o@yahoo.com>
Date: Mon, 27 Jul 1998 19:38:40 +0000
Subject: Use Snapshot in heap access methods.

---
 src/include/access/xact.h | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'src/include/access/xact.h')

diff --git a/src/include/access/xact.h b/src/include/access/xact.h
index 7abcb63e69..fa24882061 100644
--- a/src/include/access/xact.h
+++ b/src/include/access/xact.h
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: xact.h,v 1.13 1998/04/24 14:42:55 momjian Exp $
+ * $Id: xact.h,v 1.14 1998/07/27 19:38:30 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -22,14 +22,22 @@
  */
 typedef struct TransactionStateData
 {
-	TransactionId transactionIdData;
-	CommandId	commandId;
-	CommandId	scanCommandId;
-	AbsoluteTime startTime;
-	int			state;
-	int			blockState;
+	TransactionId		transactionIdData;
+	CommandId			commandId;
+	CommandId			scanCommandId;
+	AbsoluteTime		startTime;
+	int					state;
+	int					blockState;
 } TransactionStateData;
 
+/*
+ * Xact isolation levels
+ */
+#define	XACT_DIRTY_READ			0		/* not implemented */
+#define	XACT_READ_COMMITTED		1
+#define	XACT_REPEATABLE_READ	2		/* not implemented */
+#define	XACT_SERIALIZED			3
+
 /* ----------------
  *		transaction states
  * ----------------
-- 
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