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Remove NEXTXID xlog record type to avoid three-way deadlock risk.

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NEXTXID isn't really necessary, per previous discussion in pghackers,
but I mulishy insisted we should put it in anyway.  Mea culpa.
This commit is contained in:
Tom Lane
2001-03-18 20:18:59 +00:00
parent ddc5bc958a
commit af6e88a9cf
7 changed files with 12 additions and 67 deletions
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7
src/include/access/transam.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: transam.h,v 1.30 2001/03/13 01:17:06 tgl Exp $
* $Id: transam.h,v 1.31 2001/03/18 20:18:59 tgl Exp $
*
* NOTES
* Transaction System Version 101 now support proper oid
@@ -129,9 +129,8 @@ typedef VariableRelationContentsData *VariableRelationContents;
typedef struct VariableCacheData
{
TransactionId nextXid; /* next XID to assign */
uint32 xidCount; /* XIDs available before must do XLOG work */
Oid nextOid; /* and similarly for OIDs */
uint32 oidCount;
Oid nextOid; /* next OID to assign */
uint32 oidCount; /* OIDs available before must do XLOG work */
} VariableCacheData;
typedef VariableCacheData *VariableCache;

3
src/include/access/xlog.h
View File

@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: xlog.h,v 1.21 2001/03/16 05:44:33 tgl Exp $
* $Id: xlog.h,v 1.22 2001/03/18 20:18:59 tgl Exp $
*/
#ifndef XLOG_H
#define XLOG_H
@@ -201,7 +201,6 @@ extern void StartupXLOG(void);
extern void ShutdownXLOG(void);
extern void CreateCheckPoint(bool shutdown);
extern void SetThisStartUpID(void);
extern void XLogPutNextXid(TransactionId nextXid);
extern void XLogPutNextOid(Oid nextOid);
extern void SetRedoRecPtr(void);
extern void GetRedoRecPtr(void);