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-rw-r--r--src/include/access/xact.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/include/access/xact.h b/src/include/access/xact.h
index 5cdef37a5fe..c30c741f27e 100644
--- a/src/include/access/xact.h
+++ b/src/include/access/xact.h
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/access/xact.h,v 1.71 2004/08/29 05:06:55 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/access/xact.h,v 1.72 2004/09/05 23:01:26 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -32,10 +32,10 @@ extern int DefaultXactIsoLevel;
extern int XactIsoLevel;
/*
- * We only implement two distinct levels, so this is a convenience to
- * check which level we're really using internally.
+ * We only implement two isolation levels internally. This macro should
+ * be used to check which one is selected.
*/
-#define IsXactIsoLevelSerializable ((XactIsoLevel == XACT_REPEATABLE_READ || XactIsoLevel == XACT_SERIALIZABLE))
+#define IsXactIsoLevelSerializable (XactIsoLevel >= XACT_REPEATABLE_READ)
/* Xact read-only state */
extern bool DefaultXactReadOnly;