CREATE EXTENSION multicorn;
CREATE server multicorn_srv foreign data wrapper multicorn options (
    wrapper 'multicorn.testfdw.TestForeignDataWrapper'
);
CREATE user mapping for postgres server multicorn_srv options (usermapping 'test');
CREATE foreign table testmulticorn (
    test1 date,
    test2 timestamp
) server multicorn_srv options (
    option1 'option1',
    test_type 'date'
);
-- Test "normal" usage
select * from testmulticorn;
NOTICE:  {'test_type': 'date', 'usermapping': 'test', 'option1': 'option1'}
NOTICE:  ['test1', 'test2']
NOTICE:  []
NOTICE:  set(['test1', 'test2'])
   test1    |          test2           
------------+--------------------------
 01-01-2011 | Sun Jan 02 00:00:00 2011
 02-03-2011 | Tue Feb 01 00:00:00 2011
 03-02-2011 | Thu Mar 03 00:00:00 2011
 04-01-2011 | Sat Apr 02 00:00:00 2011
 05-03-2011 | Sun May 01 00:00:00 2011
 06-02-2011 | Fri Jun 03 00:00:00 2011
 07-01-2011 | Sat Jul 02 00:00:00 2011
 08-03-2011 | Mon Aug 01 00:00:00 2011
 09-02-2011 | Sat Sep 03 00:00:00 2011
 10-01-2011 | Sun Oct 02 00:00:00 2011
 11-03-2011 | Tue Nov 01 00:00:00 2011
 12-02-2011 | Sat Dec 03 00:00:00 2011
 01-01-2011 | Sun Jan 02 00:00:00 2011
 02-03-2011 | Tue Feb 01 00:00:00 2011
 03-02-2011 | Thu Mar 03 00:00:00 2011
 04-01-2011 | Sat Apr 02 00:00:00 2011
 05-03-2011 | Sun May 01 00:00:00 2011
 06-02-2011 | Fri Jun 03 00:00:00 2011
 07-01-2011 | Sat Jul 02 00:00:00 2011
 08-03-2011 | Mon Aug 01 00:00:00 2011
(20 rows)

select * from testmulticorn where test1 < '2011-06-01';
NOTICE:  [test1 < 2011-06-01]
NOTICE:  set(['test1', 'test2'])
   test1    |          test2           
------------+--------------------------
 01-01-2011 | Sun Jan 02 00:00:00 2011
 02-03-2011 | Tue Feb 01 00:00:00 2011
 03-02-2011 | Thu Mar 03 00:00:00 2011
 04-01-2011 | Sat Apr 02 00:00:00 2011
 05-03-2011 | Sun May 01 00:00:00 2011
 01-01-2011 | Sun Jan 02 00:00:00 2011
 02-03-2011 | Tue Feb 01 00:00:00 2011
 03-02-2011 | Thu Mar 03 00:00:00 2011
 04-01-2011 | Sat Apr 02 00:00:00 2011
 05-03-2011 | Sun May 01 00:00:00 2011
(10 rows)

select * from testmulticorn where test2 < '2011-06-01 00:00:00';
NOTICE:  [test2 < 2011-06-01 00:00:00]
NOTICE:  set(['test1', 'test2'])
   test1    |          test2           
------------+--------------------------
 01-01-2011 | Sun Jan 02 00:00:00 2011
 02-03-2011 | Tue Feb 01 00:00:00 2011
 03-02-2011 | Thu Mar 03 00:00:00 2011
 04-01-2011 | Sat Apr 02 00:00:00 2011
 05-03-2011 | Sun May 01 00:00:00 2011
 01-01-2011 | Sun Jan 02 00:00:00 2011
 02-03-2011 | Tue Feb 01 00:00:00 2011
 03-02-2011 | Thu Mar 03 00:00:00 2011
 04-01-2011 | Sat Apr 02 00:00:00 2011
 05-03-2011 | Sun May 01 00:00:00 2011
(10 rows)

DROP EXTENSION multicorn cascade;
NOTICE:  drop cascades to 3 other objects
DETAIL:  drop cascades to server multicorn_srv
drop cascades to user mapping for postgres
drop cascades to foreign table testmulticorn