Re: ORDER BY CASE ...

+-le 13/02/2006 16:47 +0100, Mario Splivalo a dit :
| On Mon, 2006-02-13 at 16:39 +0100, Mathieu Arnold wrote:
|> |
|> | I tought I'd get differently sorted data, since in the first query I
|> | said 5=5, and in second I said 5=6.
|>
|> Well, no, in the first, the result of the CASE is 2, and in the second 3,
|> it means that for every line, it'll sort using "2" as value for the first,
|> and "3" for the second query.
|>
|
| Yes, I realized just a second ago that when ORDER BY is CASED, numbers
| aren't the column numbers, but the integers itself.
|
| It works like this:
|
| ORDER BY (CASE WHEN 5=5 THEN "from"::varchar ELSE
| receiving_time::varchar) DESC.
|
| Is there a way to have DESC/ASC inside of a CASE?
|
| Mario

No, you don't understand, you should do something like :

case when foo = bar then from else receiving_time desc end

--
Mathieu Arnold