Re: Building a "complex" select?
От | Bjørn T Johansen |
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Тема | Re: Building a "complex" select? |
Дата | |
Msg-id | 4263E684.306@havleik.no обсуждение исходный текст |
Ответ на | Re: Building a "complex" select? (Scott Marlowe <smarlowe@g2switchworks.com>) |
Ответы |
Re: Building a "complex" select?
|
Список | pgsql-general |
Nope... It returns 0 rows when there are no rows in log_stop with stoptype = 1... BTJ Scott Marlowe wrote: > On Mon, 2005-04-18 at 11:24, Bjørn T Johansen wrote: > >>I need a select like this..: >> >>select ordre.id, ordre.desc, log_stop.stoptype from ordre left outer join log_stop on >>ordre.id = log_stop.ordreid where ordre.id = 22 >> >>The problem is that I need to include "where log_stop.stoptype = 1". So if log_stop >>includes 3 rows with stoptype = 1 and ordreid = 22, my select should return 3 rows. >>Also, if log_stop includes 3 rows with stoptype = 1 and 2 rows with stoptype = 2, my >>select should still return 3 rows. And if there are 0 rows with stoptype = 1, my >>select should return 1 row. > > > Would this work? > > select ordre.id, ordre.desc, log_stop.stoptype from ordre left outer join log_stop on > ordre.id = log_stop.ordreid where ordre.id = 22 AND COALESCE(log_stop.stoptype,1)=1 > >
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