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Create a new HeapTupleSatisfiesVacuum() routine in tqual.c that embodies the

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validity checking rules for VACUUM.  Make some other rearrangements of the
VACUUM code to allow more code to be shared between full and lazy VACUUM.
Minor code cleanups and added comments for TransactionId manipulations.
This commit is contained in:
Tom Lane
2001-07-12 04:11:13 +00:00
parent eaafc9d66c
commit b9f3a929ee
14 changed files with 643 additions and 567 deletions
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16
src/include/access/xact.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: xact.h,v 1.33 2001/03/22 04:00:32 momjian Exp $
* $Id: xact.h,v 1.34 2001/07/12 04:11:13 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -67,17 +67,6 @@ typedef TransactionStateData *TransactionState;
#define TBLOCK_ABORT 4
#define TBLOCK_ENDABORT 5
/* ----------------
* transaction ID manipulation macros
* ----------------
*/
#define TransactionIdIsValid(xid) ((bool) ((xid) != NullTransactionId))
#define TransactionIdEquals(id1, id2) ((bool) ((id1) == (id2)))
#define TransactionIdStore(xid, dest) \
(*((TransactionId*) (dest)) = (TransactionId) (xid))
#define StoreInvalidTransactionId(dest) \
(*((TransactionId*) (dest)) = NullTransactionId)
/*
* XLOG allows to store some information in high 4 bits of log
* record xl_info field
@@ -133,8 +122,6 @@ extern void AbortOutOfAnyTransaction(void);
extern void RecordTransactionCommit(void);
extern TransactionId DisabledTransactionId;
extern void XactPushRollback(void (*func) (void *), void *data);
extern void XactPopRollback(void);
@@ -146,6 +133,5 @@ extern void xact_desc(char *buf, uint8 xl_info, char *rec);
extern Datum xidin(PG_FUNCTION_ARGS);
extern Datum xidout(PG_FUNCTION_ARGS);
extern Datum xideq(PG_FUNCTION_ARGS);
extern void TransactionIdAdd(TransactionId *xid, int value);
#endif /* XACT_H */