Simplify IsXactIsoLevelSerializable test. A cycle saved is a cycle

earned ...
This commit is contained in:
Tom Lane 2004-09-05 23:01:26 +00:00
parent 1a86e6eabf
commit 7488929c96

View File

@ -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;