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Restructure indexscan API (index_beginscan, index_getnext) per

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yesterday's proposal to pghackers.  Also remove unnecessary parameters
to heap_beginscan, heap_rescan.  I modified pg_proc.h to reflect the
new numbers of parameters for the AM interface routines, but did not
force an initdb because nothing actually looks at those fields.
This commit is contained in:
Tom Lane
2002-05-20 23:51:44 +00:00
parent c961474c96
commit 44fbe20d62
59 changed files with 834 additions and 1283 deletions
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18
src/backend/bootstrap/bootstrap.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.129 2002/05/17 01:19:16 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.130 2002/05/20 23:51:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -482,18 +482,18 @@ boot_openrel(char *relname)
if (Typ == (struct typmap **) NULL)
{
rel = heap_openr(TypeRelationName, NoLock);
scan = heap_beginscan(rel, 0, SnapshotNow, 0, (ScanKey) NULL);
scan = heap_beginscan(rel, SnapshotNow, 0, (ScanKey) NULL);
i = 0;
while (HeapTupleIsValid(tup = heap_getnext(scan, 0)))
while ((tup = heap_getnext(scan, ForwardScanDirection)) != NULL)
++i;
heap_endscan(scan);
app = Typ = ALLOC(struct typmap *, i + 1);
while (i-- > 0)
*app++ = ALLOC(struct typmap, 1);
*app = (struct typmap *) NULL;
scan = heap_beginscan(rel, 0, SnapshotNow, 0, (ScanKey) NULL);
scan = heap_beginscan(rel, SnapshotNow, 0, (ScanKey) NULL);
app = Typ;
while (HeapTupleIsValid(tup = heap_getnext(scan, 0)))
while ((tup = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
(*app)->am_oid = tup->t_data->t_oid;
memcpy((char *) &(*app)->am_typ,
@ -858,18 +858,18 @@ gettype(char *type)
}
elog(DEBUG3, "external type: %s", type);
rel = heap_openr(TypeRelationName, NoLock);
scan = heap_beginscan(rel, 0, SnapshotNow, 0, (ScanKey) NULL);
scan = heap_beginscan(rel, SnapshotNow, 0, (ScanKey) NULL);
i = 0;
while (HeapTupleIsValid(tup = heap_getnext(scan, 0)))
while ((tup = heap_getnext(scan, ForwardScanDirection)) != NULL)
++i;
heap_endscan(scan);
app = Typ = ALLOC(struct typmap *, i + 1);
while (i-- > 0)
*app++ = ALLOC(struct typmap, 1);
*app = (struct typmap *) NULL;
scan = heap_beginscan(rel, 0, SnapshotNow, 0, (ScanKey) NULL);
scan = heap_beginscan(rel, SnapshotNow, 0, (ScanKey) NULL);
app = Typ;
while (HeapTupleIsValid(tup = heap_getnext(scan, 0)))
while ((tup = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
(*app)->am_oid = tup->t_data->t_oid;
memmove((char *) &(*app++)->am_typ,