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Remove all time travel stuff. Small parser cleanup.

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This commit is contained in:
Bruce Momjian
1997-11-20 23:24:03 +00:00
parent e075271c17
commit e9e1ff226f
66 changed files with 574 additions and 899 deletions
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23
src/backend/utils/time/tqual.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.9 1997/11/02 15:26:17 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.10 1997/11/20 23:23:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -25,9 +25,6 @@
#include "utils/tqual.h"
static int4 SelfTimeQualData;
TimeQual SelfTimeQual = (TimeQual) &SelfTimeQualData;
extern bool PostgresIsInitialized;
/*
@@ -82,33 +79,23 @@ static bool HeapTupleSatisfiesItself(HeapTuple tuple);
static bool HeapTupleSatisfiesNow(HeapTuple tuple);
/*
* HeapTupleSatisfiesTimeQual --
* HeapTupleSatisfiesScope --
* True iff heap tuple satsifies a time qual.
*
* Note:
* Assumes heap tuple is valid.
* Assumes time qual is valid.
*/
bool
HeapTupleSatisfiesTimeQual(HeapTuple tuple, TimeQual qual)
HeapTupleSatisfiesVisibility(HeapTuple tuple, bool seeself)
{
if (TransactionIdEquals(tuple->t_xmax, AmiTransactionId))
return (false);
if (qual == SelfTimeQual || heapisoverride())
{
if (seeself == true || heapisoverride())
return (HeapTupleSatisfiesItself(tuple));
}
if (qual == NowTimeQual)
{
else
return (HeapTupleSatisfiesNow(tuple));
}
elog(WARN, "HeapTupleSatisfiesTimeQual: illegal time qual");
return (false);
}
/*