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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/rewrite/rewriteDefine.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/rewrite/rewriteDefine.c,v 1.140 2010/01/02 16:57:51 momjian Exp $
* $PostgreSQL: pgsql/src/backend/rewrite/rewriteDefine.c,v 1.141 2010/02/14 18:42:15 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@ -96,10 +96,9 @@ InsertRule(char *rulname,
/*
* Check to see if we are replacing an existing tuple
*/
oldtup = SearchSysCache(RULERELNAME,
ObjectIdGetDatum(eventrel_oid),
PointerGetDatum(rulname),
0, 0);
oldtup = SearchSysCache2(RULERELNAME,
ObjectIdGetDatum(eventrel_oid),
PointerGetDatum(rulname));
if (HeapTupleIsValid(oldtup))
{
@ -679,10 +678,9 @@ EnableDisableRule(Relation rel, const char *rulename,
* Find the rule tuple to change.
*/
pg_rewrite_desc = heap_open(RewriteRelationId, RowExclusiveLock);
ruletup = SearchSysCacheCopy(RULERELNAME,
ObjectIdGetDatum(owningRel),
PointerGetDatum(rulename),
0, 0);
ruletup = SearchSysCacheCopy2(RULERELNAME,
ObjectIdGetDatum(owningRel),
PointerGetDatum(rulename));
if (!HeapTupleIsValid(ruletup))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
@ -742,10 +740,9 @@ RenameRewriteRule(Oid owningRel, const char *oldName,
pg_rewrite_desc = heap_open(RewriteRelationId, RowExclusiveLock);
ruletup = SearchSysCacheCopy(RULERELNAME,
ObjectIdGetDatum(owningRel),
PointerGetDatum(oldName),
0, 0);
ruletup = SearchSysCacheCopy2(RULERELNAME,
ObjectIdGetDatum(owningRel),
PointerGetDatum(oldName));
if (!HeapTupleIsValid(ruletup))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),