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/*-------------------------------------------------------------------------
*
* archive.c--
* Support for planning scans on archived relations
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/prep/Attic/archive.c,v 1.4 1997/09/08 21:45:29 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include <stdio.h> /* for sprintf() */
#include <sys/types.h> /* for u_int in relcache.h */
#include "postgres.h"
#include "utils/rel.h"
#include "utils/elog.h"
#include "utils/palloc.h"
#include "utils/relcache.h"
#include "catalog/pg_class.h"
#include "nodes/pg_list.h"
#include "nodes/parsenodes.h"
#include "optimizer/prep.h"
#include "commands/creatinh.h"
void
plan_archive(List *rt)
{
List *rtitem;
RangeTblEntry *rte;
TimeRange *trange;
Relation r;
Oid reloid;
foreach(rtitem, rt)
{
rte = lfirst(rtitem);
trange = rte->timeRange;
if (trange)
{
reloid = rte->relid;
r = RelationIdGetRelation(reloid);
if (r->rd_rel->relarch != 'n')
{
rte->archive = true;
}
}
}
}
/*
* find_archive_rels -- Given a particular relid, find the archive
* relation's relid.
*/
List *
find_archive_rels(Oid relid)
{
Relation arel;
char *arelName;
arelName = MakeArchiveName(relid);
arel = RelationNameGetRelation(arelName);
pfree(arelName);
return lconsi(arel->rd_id, lconsi(relid, NIL));
}
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