database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-10-21 02:52:47 +03:00
Code Activity

Restructure indexscan API (index_beginscan, index_getnext) per

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

14
src/backend/commands/vacuum.c
View File

@@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.224 2002/04/15 23:39:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.225 2002/05/20 23:51:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -350,9 +350,9 @@ getrels(const RangeVar *vacrel, const char *stmttype)
pgclass = heap_openr(RelationRelationName, AccessShareLock);
scan = heap_beginscan(pgclass, false, SnapshotNow, 1, &key);
scan = heap_beginscan(pgclass, SnapshotNow, 1, &key);
while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
/* Make a relation list entry for this guy */
oldcontext = MemoryContextSwitchTo(vac_context);
@@ -521,9 +521,9 @@ vac_update_dbstats(Oid dbid,
ObjectIdAttributeNumber, F_OIDEQ,
ObjectIdGetDatum(dbid));
scan = heap_beginscan(relation, 0, SnapshotNow, 1, entry);
scan = heap_beginscan(relation, SnapshotNow, 1, entry);
tuple = heap_getnext(scan, 0);
tuple = heap_getnext(scan, ForwardScanDirection);
if (!HeapTupleIsValid(tuple))
elog(ERROR, "database %u does not exist", dbid);
@@ -573,9 +573,9 @@ vac_truncate_clog(TransactionId vacuumXID, TransactionId frozenXID)
relation = heap_openr(DatabaseRelationName, AccessShareLock);
scan = heap_beginscan(relation, 0, SnapshotNow, 0, NULL);
scan = heap_beginscan(relation, SnapshotNow, 0, NULL);
while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
Form_pg_database dbform = (Form_pg_database) GETSTRUCT(tuple);