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Force VACUUM to recalculate oldestXmin even when we haven't changed our

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own database's datfrozenxid, if the current value is old enough to be
forcing autovacuums or warning messages.  This ensures that a bogus
value is replaced as soon as possible.  Per a comment from Heikki.
This commit is contained in:
Tom Lane
2009-09-01 04:46:49 +00:00
parent 14f445fccf
commit 794e3e81a0
3 changed files with 22 additions and 12 deletions
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4
src/include/access/transam.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/transam.h,v 1.69 2009/08/31 02:23:23 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/transam.h,v 1.70 2009/09/01 04:46:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -156,7 +156,7 @@ extern TransactionId GetNewTransactionId(bool isSubXact);
extern TransactionId ReadNewTransactionId(void);
extern void SetTransactionIdLimit(TransactionId oldest_datfrozenxid,
Oid oldest_datoid);
extern bool TransactionIdLimitIsValid(void);
extern bool ForceTransactionIdLimitUpdate(void);
extern Oid GetNewObjectId(void);
#endif /* TRAMSAM_H */