--
-- SELECT_DISTINCT
--
--
-- awk '{print $3;}' onek.data | sort -n | uniq
--
SELECT DISTINCT two FROM tmp ORDER BY 1;
 two 
-----
   0
   1
(2 rows)

--
-- awk '{print $5;}' onek.data | sort -n | uniq
--
SELECT DISTINCT ten FROM tmp ORDER BY 1;
 ten 
-----
   0
   1
   2
   3
   4
   5
   6
   7
   8
   9
(10 rows)

--
-- awk '{print $16;}' onek.data | sort -d | uniq
--
SELECT DISTINCT string4 FROM tmp ORDER BY 1;
 string4 
---------
 AAAAxx
 HHHHxx
 OOOOxx
 VVVVxx
(4 rows)

--
-- Also, some tests of IS DISTINCT FROM, which doesn't quite deserve its
-- very own regression file.
--
CREATE TEMP TABLE disttable (f1 integer);