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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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31
src/pl/plpython/plpython.c
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@ -1,7 +1,7 @@
/**********************************************************************
* plpython.c - python as a procedural language for PostgreSQL
*
* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.136 2010/01/22 15:45:15 petere Exp $
* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.137 2010/02/14 18:42:19 rhaas Exp $
*
*********************************************************************
*/
@ -1287,9 +1287,7 @@ PLy_procedure_get(FunctionCallInfo fcinfo, Oid tgreloid)
int rv;
fn_oid = fcinfo->flinfo->fn_oid;
procTup = SearchSysCache(PROCOID,
ObjectIdGetDatum(fn_oid),
0, 0, 0);
procTup = SearchSysCache1(PROCOID, ObjectIdGetDatum(fn_oid));
if (!HeapTupleIsValid(procTup))
elog(ERROR, "cache lookup failed for function %u", fn_oid);
@ -1399,9 +1397,8 @@ PLy_procedure_create(HeapTuple procTup, Oid tgreloid, char *key)
HeapTuple rvTypeTup;
Form_pg_type rvTypeStruct;
rvTypeTup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(procStruct->prorettype),
0, 0, 0);
rvTypeTup = SearchSysCache1(TYPEOID,
ObjectIdGetDatum(procStruct->prorettype));
if (!HeapTupleIsValid(rvTypeTup))
elog(ERROR, "cache lookup failed for type %u",
procStruct->prorettype);
@ -1483,9 +1480,8 @@ PLy_procedure_create(HeapTuple procTup, Oid tgreloid, char *key)
Assert(types[i] == procStruct->proargtypes.values[pos]);
argTypeTup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(types[i]),
0, 0, 0);
argTypeTup = SearchSysCache1(TYPEOID,
ObjectIdGetDatum(types[i]));
if (!HeapTupleIsValid(argTypeTup))
elog(ERROR, "cache lookup failed for type %u", types[i]);
argTypeStruct = (Form_pg_type) GETSTRUCT(argTypeTup);
@ -1699,9 +1695,8 @@ PLy_input_tuple_funcs(PLyTypeInfo *arg, TupleDesc desc)
if (arg->in.r.atts[i].typoid == desc->attrs[i]->atttypid)
continue; /* already set up this entry */
typeTup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(desc->attrs[i]->atttypid),
0, 0, 0);
typeTup = SearchSysCache1(TYPEOID,
ObjectIdGetDatum(desc->attrs[i]->atttypid));
if (!HeapTupleIsValid(typeTup))
elog(ERROR, "cache lookup failed for type %u",
desc->attrs[i]->atttypid);
@ -1741,9 +1736,8 @@ PLy_output_tuple_funcs(PLyTypeInfo *arg, TupleDesc desc)
if (arg->out.r.atts[i].typoid == desc->attrs[i]->atttypid)
continue; /* already set up this entry */
typeTup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(desc->attrs[i]->atttypid),
0, 0, 0);
typeTup = SearchSysCache1(TYPEOID,
ObjectIdGetDatum(desc->attrs[i]->atttypid));
if (!HeapTupleIsValid(typeTup))
elog(ERROR, "cache lookup failed for type %u",
desc->attrs[i]->atttypid);
@ -2850,9 +2844,8 @@ PLy_spi_prepare(PyObject *self, PyObject *args)
parseTypeString(sptr, &typeId, &typmod);
typeTup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(typeId),
0, 0, 0);
typeTup = SearchSysCache1(TYPEOID,
ObjectIdGetDatum(typeId));
if (!HeapTupleIsValid(typeTup))
elog(ERROR, "cache lookup failed for type %u", typeId);