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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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23
src/backend/catalog/pg_proc.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/catalog/pg_proc.c,v 1.170 2010/01/02 16:57:36 momjian Exp $
* $PostgreSQL: pgsql/src/backend/catalog/pg_proc.c,v 1.171 2010/02/14 18:42:13 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -338,11 +338,10 @@ ProcedureCreate(const char *procedureName,
tupDesc = RelationGetDescr(rel);
/* Check for pre-existing definition */
oldtup = SearchSysCache(PROCNAMEARGSNSP,
PointerGetDatum(procedureName),
PointerGetDatum(parameterTypes),
ObjectIdGetDatum(procNamespace),
0);
oldtup = SearchSysCache3(PROCNAMEARGSNSP,
PointerGetDatum(procedureName),
PointerGetDatum(parameterTypes),
ObjectIdGetDatum(procNamespace));
if (HeapTupleIsValid(oldtup))
{
@@ -647,9 +646,7 @@ fmgr_internal_validator(PG_FUNCTION_ARGS)
* name will be found later if it isn't there now.
*/
tuple = SearchSysCache(PROCOID,
ObjectIdGetDatum(funcoid),
0, 0, 0);
tuple = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcoid));
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for function %u", funcoid);
proc = (Form_pg_proc) GETSTRUCT(tuple);
@@ -697,9 +694,7 @@ fmgr_c_validator(PG_FUNCTION_ARGS)
* and for pg_dump loading it's much better if we *do* check.
*/
tuple = SearchSysCache(PROCOID,
ObjectIdGetDatum(funcoid),
0, 0, 0);
tuple = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcoid));
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for function %u", funcoid);
proc = (Form_pg_proc) GETSTRUCT(tuple);
@@ -742,9 +737,7 @@ fmgr_sql_validator(PG_FUNCTION_ARGS)
bool haspolyarg;
int i;
tuple = SearchSysCache(PROCOID,
ObjectIdGetDatum(funcoid),
0, 0, 0);
tuple = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcoid));
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for function %u", funcoid);
proc = (Form_pg_proc) GETSTRUCT(tuple);