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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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10
src/backend/utils/init/postinit.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.105 2002/05/17 01:19:18 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.106 2002/05/20 23:51:43 tgl Exp $
*
*
*-------------------------------------------------------------------------
@ -95,9 +95,9 @@ ReverifyMyDatabase(const char *name)
ScanKeyEntryInitialize(&key, 0, Anum_pg_database_datname,
F_NAMEEQ, NameGetDatum(name));
pgdbscan = heap_beginscan(pgdbrel, 0, SnapshotNow, 1, &key);
pgdbscan = heap_beginscan(pgdbrel, SnapshotNow, 1, &key);
tup = heap_getnext(pgdbscan, 0);
tup = heap_getnext(pgdbscan, ForwardScanDirection);
if (!HeapTupleIsValid(tup) ||
tup->t_data->t_oid != MyDatabaseId)
{
@ -456,8 +456,8 @@ ThereIsAtLeastOneUser(void)
pg_shadow_rel = heap_openr(ShadowRelationName, AccessExclusiveLock);
pg_shadow_dsc = RelationGetDescr(pg_shadow_rel);
scan = heap_beginscan(pg_shadow_rel, false, SnapshotNow, 0, 0);
result = HeapTupleIsValid(heap_getnext(scan, 0));
scan = heap_beginscan(pg_shadow_rel, SnapshotNow, 0, NULL);
result = (heap_getnext(scan, ForwardScanDirection) != NULL);
heap_endscan(scan);
heap_close(pg_shadow_rel, AccessExclusiveLock);