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Fix very old bug which made tuples changed/inserted by a commnd

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visible to command itself (so we had multiple update of updated tuples,
etc).
This commit is contained in:
Vadim B. Mikheev
1997-08-29 09:05:25 +00:00
parent e06099c607
commit 3152996ffb
3 changed files with 63 additions and 11 deletions
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8
src/include/access/xact.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: xact.h,v 1.5 1997/08/19 21:37:40 momjian Exp $
* $Id: xact.h,v 1.6 1997/08/29 09:05:25 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,7 +22,8 @@
typedef struct TransactionStateData {
TransactionId transactionIdData;
CommandId commandId;
AbsoluteTime startTime;
CommandId scanCommandId;
AbsoluteTime startTime;
int state;
int blockState;
} TransactionStateData;
@@ -63,9 +64,12 @@ extern bool IsAbortedTransactionBlockState(void);
extern void OverrideTransactionSystem(bool flag);
extern TransactionId GetCurrentTransactionId(void);
extern CommandId GetCurrentCommandId(void);
extern CommandId GetScanCommandId(void);
extern void SetScanCommandId(CommandId);
extern AbsoluteTime GetCurrentTransactionStartTime(void);
extern bool TransactionIdIsCurrentTransactionId(TransactionId xid);
extern bool CommandIdIsCurrentCommandId(CommandId cid);
extern bool CommandIdGEScanCommandId(CommandId cid);
extern void CommandCounterIncrement(void);
extern void InitializeTransactionSystem(void);
extern bool CurrentXactInProgress(void);