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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/executor/spi.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.213 2010/01/02 16:57:45 momjian Exp $
* $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.214 2010/02/14 18:42:14 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@ -911,9 +911,7 @@ SPI_gettype(TupleDesc tupdesc, int fnumber)
else
typoid = (SystemAttributeDefinition(fnumber, true))->atttypid;
typeTuple = SearchSysCache(TYPEOID,
ObjectIdGetDatum(typoid),
0, 0, 0);
typeTuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typoid));
if (!HeapTupleIsValid(typeTuple))
{