Update some obsolete examples.

src/tutorial/syscat.source

@@ -4,9 +4,10 @@
 --    sample queries to the system catalogs
 --
 --
--- Copyright (c) 1994, Regents of the University of California
+-- Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
+-- Portions Copyright (c) 1994, Regents of the University of California
 --
--- $Id: syscat.source,v 1.3 1998/03/20 04:12:25 momjian Exp $
+-- $Id: syscat.source,v 1.4 2001/06/13 19:31:56 tgl Exp $
 --
 ---------------------------------------------------------------------------
 
@@ -16,7 +17,7 @@
 --
 SELECT usename, datname
   FROM pg_user, pg_database
-  WHERE usesysid = int2in(int4out(datdba))
+  WHERE usesysid = datdba
   ORDER BY usename, datname;
 
 --
@@ -24,14 +25,13 @@ SELECT usename, datname
 --
 SELECT relname
   FROM pg_class
-  WHERE relkind = 'r'           -- not indices
+  WHERE relkind = 'r'           -- not indices, views, etc
     and relname !~ '^pg_'       -- not catalogs
-    and relname !~ '^Inv'       -- not large objects
   ORDER BY relname;
 
 
 --
--- lists all simple indicies (ie. those that are not defined over a function
+-- lists all simple indices (ie. those that are not defined over a function
 -- of several attributes)
 --
 SELECT bc.relname AS class_name, 
@@ -57,7 +57,6 @@ SELECT c.relname, a.attname, t.typname
   FROM pg_class c, pg_attribute a, pg_type t
   WHERE c.relkind = 'r'     -- no indices
     and c.relname !~ '^pg_' -- no catalogs
-    and c.relname !~ '^Inv' -- no large objects
     and a.attnum > 0        -- no system att's
     and a.attrelid = c.oid
     and a.atttypid = t.oid
@@ -69,7 +68,7 @@ SELECT c.relname, a.attname, t.typname
 --
 SELECT u.usename, t.typname
   FROM pg_type t, pg_user u
-  WHERE u.usesysid = int2in(int4out(t.typowner))
+  WHERE u.usesysid = t.typowner
     and t.typrelid = '0'::oid   -- no complex types
     and t.typelem = '0'::oid    -- no arrays
     and u.usename <> 'postgres'
@@ -147,5 +146,3 @@ SELECT am.amname, opc.opcname, opr.oprname
     and amop.amopclaid = opc.oid
     and amop.amopopr = opr.oid
   ORDER BY amname, opcname, oprname;
-
-