Further cleanups for relations in schemas: teach nextval and other

sequence functions how to cope with qualified names.  Same code is
also used for int4notin, currtid_byrelname, pgstattuple.  Also,
move TOAST tables into special pg_toast namespace.

src/backend/parser/parse_type.c

@@ -8,14 +8,13 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_type.c,v 1.38 2002/03/29 19:06:12 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_type.c,v 1.39 2002/03/30 01:02:41 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
 #include "catalog/namespace.h"
-#include "catalog/pg_namespace.h"
 #include "catalog/pg_type.h"
 #include "lib/stringinfo.h"
 #include "miscadmin.h"
@@ -132,6 +131,7 @@ LookupTypeName(const TypeName *typename)
 
 		if (schemaname)
 		{
+			/* Look in specific schema only */
 			Oid		namespaceId;
 
 			namespaceId = GetSysCacheOid(NAMESPACENAME,
@@ -147,11 +147,8 @@ LookupTypeName(const TypeName *typename)
 		}
 		else
 		{
-			/* XXX wrong, should use namespace search */
-			restype = GetSysCacheOid(TYPENAMENSP,
-									 PointerGetDatum(typname),
-									 ObjectIdGetDatum(PG_CATALOG_NAMESPACE),
-									 0, 0);
+			/* Unqualified type name, so search the search path */
+			restype = TypenameGetTypid(typname);
 		}
 	}