pg_dump problems against 7.0

(Sorry I posted this to -hackers by accident initially)

I noticed that the function to get max builtin OID for 7.0 does this:

template1=> SELECT oid from pg_database where datname = 'template1';
oid
-------
17216
(1 row)

However, that is incorrect:

template1=> select oid,relname from pg_class where oid > 17216;
oid | relname
-------+------------
17408 | pg_indexes
17280 | pg_user
17312 | pg_rules
17344 | pg_views
17376 | pg_tables
(5 rows)

Which results in all the system views being dumped. Attached is a
patch. Please tell me if it's OK.

Chris

Index: pg_dump.c
===================================================================
RCS file: /projects/cvsroot/pgsql-server/src/bin/pg_dump/pg_dump.c,v
retrieving revision 1.353
diff -c -r1.353 pg_dump.c
*** pg_dump.c 8 Oct 2003 03:52:32 -0000 1.353
--- pg_dump.c 20 Oct 2003 08:25:24 -0000
***************
*** 5876,5882 ****
int last_oid;

res = PQexec(g_conn,
! "SELECT oid from pg_database where datname = 'template1'");
if (res == NULL ||
PQresultStatus(res) != PGRES_TUPLES_OK)
{
--- 5876,5882 ----
int last_oid;

res = PQexec(g_conn,
! "SELECT oid FROM pg_class ORDER BY oid DESC LIMIT 1");
if (res == NULL ||
PQresultStatus(res) != PGRES_TUPLES_OK)
{