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Reimplement temp tables using schemas. The temp table map is history;

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temp table entries in pg_class have the names the user would expect.
This commit is contained in:
Tom Lane
2002-03-31 06:26:32 +00:00
parent 5f4745adf4
commit 3114102521
29 changed files with 596 additions and 670 deletions
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27
src/backend/utils/cache/syscache.c vendored
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.71 2002/03/29 19:06:15 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.72 2002/03/31 06:26:32 tgl Exp $
*
* NOTES
* These routines allow the parser/planner/executor to perform
@ -42,7 +42,6 @@
#include "catalog/pg_type.h"
#include "utils/catcache.h"
#include "utils/syscache.h"
#include "utils/temprel.h"
#include "miscadmin.h"
@ -500,29 +499,9 @@ SearchSysCache(int cacheId,
Datum key3,
Datum key4)
{
if (cacheId < 0 || cacheId >= SysCacheSize)
{
if (cacheId < 0 || cacheId >= SysCacheSize ||
! PointerIsValid(SysCache[cacheId]))
elog(ERROR, "SearchSysCache: Bad cache id %d", cacheId);
return (HeapTuple) NULL;
}
Assert(PointerIsValid(SysCache[cacheId]));
/*
* If someone tries to look up a relname, translate temp relation
* names to real names. Less obviously, apply the same translation to
* type names, so that the type tuple of a temp table will be found
* when sought. This is a kluge ... temp table substitution should be
* happening at a higher level ...
*/
if (cacheId == RELNAMENSP || cacheId == TYPENAMENSP)
{
char *nontemp_relname;
nontemp_relname = get_temp_rel_by_username(DatumGetCString(key1));
if (nontemp_relname != NULL)
key1 = CStringGetDatum(nontemp_relname);
}
return SearchCatCache(SysCache[cacheId], key1, key2, key3, key4);
}