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Clean out another pocket of functions called via nonspecific function

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pointers, namely the catcache tuple fetch routines.  Also get rid of
the unused and possibly confusing 'size' field in struct cachedesc.
Since it doesn't allow for variable-length fields, anyone who
actually trusted it would likely be making a mistake...
This commit is contained in:
Tom Lane
2000-06-17 04:56:39 +00:00
parent 1652d43358
commit 9cf80f2f55
9 changed files with 340 additions and 388 deletions
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32
src/include/utils/syscache.h
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@@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: syscache.h,v 1.25 2000/04/12 17:16:55 momjian Exp $
* $Id: syscache.h,v 1.26 2000/06/17 04:56:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -18,17 +18,14 @@
#include "access/htup.h"
/* #define CACHEDEBUG *//* turns DEBUG elogs on */
/*
* Declarations for util/syscache.c.
*
* SysCache identifiers.
*
* The order of these must match the order
* they are entered into the structure cacheinfo[] in syscache.c
* Keep them in alphabeticall order.
* they are entered into the structure cacheinfo[] in syscache.c.
* Keep them in alphabetical order.
*/
#define AGGNAME 0
@@ -60,30 +57,13 @@
#define TYPENAME 26
#define TYPEOID 27
/* ----------------
* struct cachedesc: information needed for a call to InitSysCache()
* ----------------
*/
struct cachedesc
{
char *name; /* this is Name so that we can initialize
* it */
int nkeys;
int key[4];
int size; /* sizeof(appropriate struct) */
char *indname; /* index relation for this cache, if
* exists */
HeapTuple (*iScanFunc) ();/* function to handle index scans */
};
extern void zerocaches(void);
extern void InitCatalogCache(void);
extern HeapTuple SearchSysCacheTupleCopy(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern HeapTuple SearchSysCacheTuple(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern HeapTuple SearchSysCacheTupleCopy(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
AttrNumber attributeNumber,
bool *isnull);
AttrNumber attributeNumber, bool *isNull);
#endif /* SYSCACHE_H */