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Ensure that all TransactionId comparisons are encapsulated in macros

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(TransactionIdPrecedes, TransactionIdFollows, etc).  First step on the
way to transaction ID wrap solution ...
This commit is contained in:
Tom Lane
2001-08-23 23:06:38 +00:00
parent 29ec29ffac
commit 7326e78c42
17 changed files with 139 additions and 100 deletions
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30
src/include/postgres.h
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@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1995, Regents of the University of California
*
* $Id: postgres.h,v 1.50 2001/08/10 18:57:41 tgl Exp $
* $Id: postgres.h,v 1.51 2001/08/23 23:06:38 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -261,6 +261,34 @@ typedef Datum *DatumPtr;
#define ObjectIdGetDatum(X) ((Datum) SET_4_BYTES(X))
/*
* DatumGetTransactionId
* Returns transaction identifier value of a datum.
*/
#define DatumGetTransactionId(X) ((TransactionId) GET_4_BYTES(X))
/*
* TransactionIdGetDatum
* Returns datum representation for a transaction identifier.
*/
#define TransactionIdGetDatum(X) ((Datum) SET_4_BYTES((X)))
/*
* DatumGetCommandId
* Returns command identifier value of a datum.
*/
#define DatumGetCommandId(X) ((CommandId) GET_4_BYTES(X))
/*
* CommandIdGetDatum
* Returns datum representation for a command identifier.
*/
#define CommandIdGetDatum(X) ((Datum) SET_4_BYTES(X))
/*
* DatumGetPointer
* Returns pointer value of a datum.