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Make OIDs optional, per discussions in pghackers. WITH OIDS is still the

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default, but OIDS are removed from many system catalogs that don't need them.
Some interesting side effects: TOAST pointers are 20 bytes not 32 now;
pg_description has a three-column key instead of one.

Bugs fixed in passing: BINARY cursors work again; pg_class.relhaspkey
has some usefulness; pg_dump dumps comments on indexes, rules, and
triggers in a valid order.

initdb forced.
This commit is contained in:
Tom Lane
2001-08-10 18:57:42 +00:00
parent d062f0f4e9
commit bf56f0759b
83 changed files with 1962 additions and 1583 deletions
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8
src/include/utils/syscache.h
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@@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: syscache.h,v 1.31 2001/06/12 05:55:50 tgl Exp $
* $Id: syscache.h,v 1.32 2001/08/10 18:57:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -64,13 +64,11 @@ extern void ReleaseSysCache(HeapTuple tuple);
/* convenience routines */
extern HeapTuple SearchSysCacheCopy(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern bool SearchSysCacheExists(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern Oid GetSysCacheOid(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
/* macro for just probing for existence of a tuple via the syscache */
#define SearchSysCacheExists(c,k1,k2,k3,k4) \
OidIsValid(GetSysCacheOid(c,k1,k2,k3,k4))
extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
AttrNumber attributeNumber, bool *isNull);