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Implement partial-key searching of syscaches, per recent suggestion

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to pghackers.  Use this to do searching for ambiguous functions ---
it will get more uses soon.
This commit is contained in:
Tom Lane
2002-04-06 06:59:25 +00:00
parent 707cf12f1b
commit 0332d65ac4
7 changed files with 919 additions and 369 deletions
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7
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 1.41 2002/03/29 19:06:26 tgl Exp $
* $Id: syscache.h,v 1.42 2002/04/06 06:59:25 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -79,4 +79,9 @@ extern Oid GetSysCacheOid(int cacheId,
extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
AttrNumber attributeNumber, bool *isNull);
/* list-search interface. Users of this must import catcache.h too */
extern struct catclist *SearchSysCacheList(int cacheId, int nkeys,
Datum key1, Datum key2, Datum key3, Datum key4);
#define ReleaseSysCacheList(x) ReleaseCatCacheList(x)
#endif /* SYSCACHE_H */