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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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12
src/backend/executor/nodeAgg.c
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@ -71,7 +71,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.173 2010/02/12 17:33:19 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.174 2010/02/14 18:42:14 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@ -1597,9 +1597,8 @@ ExecInitAgg(Agg *node, EState *estate, int eflags)
}
peraggstate->numArguments = numArguments;
aggTuple = SearchSysCache(AGGFNOID,
ObjectIdGetDatum(aggref->aggfnoid),
0, 0, 0);
aggTuple = SearchSysCache1(AGGFNOID,
ObjectIdGetDatum(aggref->aggfnoid));
if (!HeapTupleIsValid(aggTuple))
elog(ERROR, "cache lookup failed for aggregate %u",
aggref->aggfnoid);
@ -1620,9 +1619,8 @@ ExecInitAgg(Agg *node, EState *estate, int eflags)
HeapTuple procTuple;
Oid aggOwner;
procTuple = SearchSysCache(PROCOID,
ObjectIdGetDatum(aggref->aggfnoid),
0, 0, 0);
procTuple = SearchSysCache1(PROCOID,
ObjectIdGetDatum(aggref->aggfnoid));
if (!HeapTupleIsValid(procTuple))
elog(ERROR, "cache lookup failed for function %u",
aggref->aggfnoid);