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Nested transactions. There is still much left to do, especially on the

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performance front, but with feature freeze upon us I think it's time to
drive a stake in the ground and say that this will be in 7.5.

Alvaro Herrera, with some help from Tom Lane.
This commit is contained in:
Tom Lane
2004-07-01 00:52:04 +00:00
parent 4c9aa572fa
commit 573a71a5da
74 changed files with 4516 additions and 1144 deletions
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7
src/include/access/transam.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/transam.h,v 1.48 2003/11/29 22:40:55 pgsql Exp $
* $PostgreSQL: pgsql/src/include/access/transam.h,v 1.49 2004/07/01 00:51:38 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -107,13 +107,16 @@ extern bool TransactionIdDidCommit(TransactionId transactionId);
extern bool TransactionIdDidAbort(TransactionId transactionId);
extern void TransactionIdCommit(TransactionId transactionId);
extern void TransactionIdAbort(TransactionId transactionId);
extern void TransactionIdSubCommit(TransactionId transactionId);
extern void TransactionIdCommitTree(int nxids, TransactionId *xids);
extern void TransactionIdAbortTree(int nxids, TransactionId *xids);
extern bool TransactionIdPrecedes(TransactionId id1, TransactionId id2);
extern bool TransactionIdPrecedesOrEquals(TransactionId id1, TransactionId id2);
extern bool TransactionIdFollows(TransactionId id1, TransactionId id2);
extern bool TransactionIdFollowsOrEquals(TransactionId id1, TransactionId id2);
/* in transam/varsup.c */
extern TransactionId GetNewTransactionId(void);
extern TransactionId GetNewTransactionId(bool isSubXact);
extern TransactionId ReadNewTransactionId(void);
extern Oid GetNewObjectId(void);
extern void CheckMaxObjectId(Oid assigned_oid);