Hi,
try this:
testdb=#SELECT DISTINCT table_2.f1, table_1.f2, date('2000-08-22') AS
testdb-#date FROM table_1, table_2 WHERE table_1.f1 = table_2.f1;
Jerome Raupach wrote:
> testdb=#SELECT DISTINCT table_2.f1, table_1.f2, '2000-08-22' AS
> testdb-#date FROM table_1, table_2 WHERE table_1.f1 = table_2.f1;
> ERROR: Unable to identify an ordering operator '<' for type 'unknown'
> Use an explicit ordering operator or modify the query
>
> I must execute this query :
>
> testdb=#SELECT table_2.f1, table_1.f2, '2000-08-22' AS date FROM
> testdb-#table_1, table_2 WHERE table_1.f1 = table_2.f1 GROUP BY
> testdb-#table_2.f1, table_1.f2;
>
> Is it a bug ?
> Thanks in advance.
>
> Jerome.
--
Jie LIANG
Internet Products Inc.
10350 Science Center Drive
Suite 100, San Diego, CA 92121
Office:(858)320-4873
jliang@ipinc.com
www.ipinc.com