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Functions live in namespaces. Qualified function names work, eg

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SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.
This commit is contained in:
Tom Lane
2002-04-09 20:35:55 +00:00
parent c419c22414
commit f2d70d32eb
36 changed files with 655 additions and 661 deletions
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35
src/backend/catalog/pg_aggregate.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/pg_aggregate.c,v 1.42 2002/03/29 19:06:01 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/pg_aggregate.c,v 1.43 2002/04/09 20:35:47 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -17,6 +17,7 @@
#include "access/heapam.h"
#include "catalog/catname.h"
#include "catalog/indexing.h"
#include "catalog/namespace.h"
#include "catalog/pg_aggregate.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_type.h"
@@ -33,8 +34,8 @@
void
AggregateCreate(const char *aggName,
Oid aggNamespace,
char *aggtransfnName,
char *aggfinalfnName,
List *aggtransfnName,
List *aggfinalfnName,
Oid aggBaseType,
Oid aggTransType,
const char *agginitval)
@@ -79,19 +80,18 @@ AggregateCreate(const char *aggName,
}
else
nargs = 1;
tup = SearchSysCache(PROCNAME,
PointerGetDatum(aggtransfnName),
Int32GetDatum(nargs),
PointerGetDatum(fnArgs),
0);
transfn = LookupFuncName(aggtransfnName, nargs, fnArgs);
if (!OidIsValid(transfn))
func_error("AggregateCreate", aggtransfnName, nargs, fnArgs, NULL);
tup = SearchSysCache(PROCOID,
ObjectIdGetDatum(transfn),
0, 0, 0);
if (!HeapTupleIsValid(tup))
func_error("AggregateCreate", aggtransfnName, nargs, fnArgs, NULL);
transfn = tup->t_data->t_oid;
Assert(OidIsValid(transfn));
proc = (Form_pg_proc) GETSTRUCT(tup);
if (proc->prorettype != aggTransType)
elog(ERROR, "return type of transition function %s is not %s",
aggtransfnName, typeidTypeName(aggTransType));
NameListToString(aggtransfnName), typeidTypeName(aggTransType));
/*
* If the transfn is strict and the initval is NULL, make sure input
@@ -111,15 +111,14 @@ AggregateCreate(const char *aggName,
{
fnArgs[0] = aggTransType;
fnArgs[1] = 0;
tup = SearchSysCache(PROCNAME,
PointerGetDatum(aggfinalfnName),
Int32GetDatum(1),
PointerGetDatum(fnArgs),
0);
finalfn = LookupFuncName(aggfinalfnName, 1, fnArgs);
if (!OidIsValid(finalfn))
func_error("AggregateCreate", aggfinalfnName, 1, fnArgs, NULL);
tup = SearchSysCache(PROCOID,
ObjectIdGetDatum(finalfn),
0, 0, 0);
if (!HeapTupleIsValid(tup))
func_error("AggregateCreate", aggfinalfnName, 1, fnArgs, NULL);
finalfn = tup->t_data->t_oid;
Assert(OidIsValid(finalfn));
proc = (Form_pg_proc) GETSTRUCT(tup);
finaltype = proc->prorettype;
ReleaseSysCache(tup);