On Fri, Jun 03, 2005 at 05:44:59PM +0300, Ami Ganguli wrote:
>
> SELECT queue.apply_routing_rule(
> (SELECT * from queue.messages WHERE id = 1),
> (SELECT * from queue.routing_rules WHERE id = 1)
> );
>
> I get an error message along the lines of "sub-query must return a
> single value".
The error I get is "subquery must return only one column". Queries
like the following should work in 8.0.x:
SELECT queue.apply_routing_rule(m, r)
FROM (SELECT * FROM queue.messages WHERE id = 1) AS m,
(SELECT * FROM queue.routing_rules WHERE id = 1) AS r;
SELECT queue.apply_routing_rule(m, r)
FROM queue.messages AS m,
queue.routing_rules AS r
WHERE m.id = 1
AND r.id = 1;
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/
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