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Use Snapshot in heap access methods.

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This commit is contained in:
Vadim B. Mikheev
1998-07-27 19:38:40 +00:00
parent f7f989c990
commit be8300b18f
54 changed files with 352 additions and 339 deletions
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10
src/backend/access/index/istrat.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/index/Attic/istrat.c,v 1.20 1998/06/15 19:27:54 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/index/Attic/istrat.c,v 1.21 1998/07/27 19:37:37 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -501,7 +501,7 @@ OperatorRelationFillScanKeyEntry(Relation operatorRelation,
F_OIDEQ,
ObjectIdGetDatum(operatorObjectId));
scan = heap_beginscan(operatorRelation, false, false,
scan = heap_beginscan(operatorRelation, false, SnapshotNow,
1, &scanKeyData);
tuple = heap_getnext(scan, false, (Buffer *) NULL);
@@ -558,7 +558,7 @@ IndexSupportInitialize(IndexStrategy indexStrategy,
ObjectIdGetDatum(indexObjectId));
relation = heap_openr(IndexRelationName);
scan = heap_beginscan(relation, false, false, 1, entry);
scan = heap_beginscan(relation, false, SnapshotNow, 1, entry);
tuple = heap_getnext(scan, 0, (Buffer *) NULL);
if (!HeapTupleIsValid(tuple))
elog(ERROR, "IndexSupportInitialize: corrupted catalogs");
@@ -618,7 +618,7 @@ IndexSupportInitialize(IndexStrategy indexStrategy,
entry[1].sk_argument =
ObjectIdGetDatum(operatorClassObjectId[attributeNumber - 1]);
scan = heap_beginscan(relation, false, false, 2, entry);
scan = heap_beginscan(relation, false, SnapshotNow, 2, entry);
while (tuple = heap_getnext(scan, 0, (Buffer *) NULL),
HeapTupleIsValid(tuple))
@@ -661,7 +661,7 @@ IndexSupportInitialize(IndexStrategy indexStrategy,
for (strategy = 1; strategy <= maxStrategyNumber; strategy++)
ScanKeyEntrySetIllegal(StrategyMapGetScanKeyEntry(map, strategy));
scan = heap_beginscan(relation, false, false, 2, entry);
scan = heap_beginscan(relation, false, SnapshotNow, 2, entry);
while (tuple = heap_getnext(scan, 0, (Buffer *) NULL),
HeapTupleIsValid(tuple))