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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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14
src/backend/commands/dbcommands.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.89 2002/05/17 01:19:17 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.90 2002/05/20 23:51:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -387,9 +387,9 @@ dropdb(const char *dbname)
ScanKeyEntryInitialize(&key, 0, ObjectIdAttributeNumber,
F_OIDEQ, ObjectIdGetDatum(db_id));
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))
{
/*
@ -463,8 +463,8 @@ AlterDatabaseSet(AlterDatabaseSetStmt *stmt)
rel = heap_openr(DatabaseRelationName, RowExclusiveLock);
ScanKeyEntryInitialize(&scankey, 0, Anum_pg_database_datname,
F_NAMEEQ, NameGetDatum(stmt->dbname));
scan = heap_beginscan(rel, 0, SnapshotNow, 1, &scankey);
tuple = heap_getnext(scan, 0);
scan = heap_beginscan(rel, SnapshotNow, 1, &scankey);
tuple = heap_getnext(scan, ForwardScanDirection);
if (!HeapTupleIsValid(tuple))
elog(ERROR, "database \"%s\" does not exist", stmt->dbname);
@ -535,9 +535,9 @@ get_db_info(const char *name, Oid *dbIdP, int4 *ownerIdP,
ScanKeyEntryInitialize(&scanKey, 0, Anum_pg_database_datname,
F_NAMEEQ, NameGetDatum(name));
scan = heap_beginscan(relation, 0, SnapshotNow, 1, &scanKey);
scan = heap_beginscan(relation, SnapshotNow, 1, &scanKey);
tuple = heap_getnext(scan, 0);
tuple = heap_getnext(scan, ForwardScanDirection);
gottuple = HeapTupleIsValid(tuple);
if (gottuple)