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Wrap calls to SearchSysCache and related functions using macros.

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The purpose of this change is to eliminate the need for every caller
of SearchSysCache, SearchSysCacheCopy, SearchSysCacheExists,
GetSysCacheOid, and SearchSysCacheList to know the maximum number
of allowable keys for a syscache entry (currently 4).  This will
make it far easier to increase the maximum number of keys in a
future release should we choose to do so, and it makes the code
shorter, too.

Design and review by Tom Lane.
This commit is contained in:
Robert Haas
2010-02-14 18:42:19 +00:00
parent 1012492bc0
commit e26c539e9f
97 changed files with 1125 additions and 2061 deletions
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6
src/backend/tcop/fastpath.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/fastpath.c,v 1.102 2010/01/02 16:57:52 momjian Exp $
* $PostgreSQL: pgsql/src/backend/tcop/fastpath.c,v 1.103 2010/02/14 18:42:15 rhaas Exp $
*
* NOTES
* This cruft is the server side of PQfn.
@ -214,9 +214,7 @@ fetch_fp_info(Oid func_id, struct fp_info * fip)
fmgr_info(func_id, &fip->flinfo);
func_htp = SearchSysCache(PROCOID,
ObjectIdGetDatum(func_id),
0, 0, 0);
func_htp = SearchSysCache1(PROCOID, ObjectIdGetDatum(func_id));
if (!HeapTupleIsValid(func_htp))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_FUNCTION),