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Simplify IsXactIsoLevelSerializable test. A cycle saved is a cycle

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This commit is contained in:
Tom Lane
2004-09-05 23:01:26 +00:00
parent 1a86e6eabf
commit 7488929c96
1 changed files with 4 additions and 4 deletions
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8
src/include/access/xact.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group * Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * 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; extern int XactIsoLevel;
/* /*
* We only implement two distinct levels, so this is a convenience to * We only implement two isolation levels internally. This macro should
* check which level we're really using internally. * 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 */ /* Xact read-only state */
extern bool DefaultXactReadOnly; extern bool DefaultXactReadOnly;