Re: WHERE of an AGGREGATE ...
От | deststar |
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Тема | Re: WHERE of an AGGREGATE ... |
Дата | |
Msg-id | 1055635083.2816.6.camel@localhost.localdomain обсуждение исходный текст |
Ответ на | WHERE of an AGGREGATE ... (The Hermit Hacker <scrappy@postgresql.org>) |
Ответы |
Re: WHERE of an AGGREGATE ...
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Список | pgsql-sql |
Isn't that what the having clause is about? - Stuart On Sun, 2003-06-15 at 00:31, The Hermit Hacker wrote: > I have a query that looks like: > > SELECT SUM(bytes) AS traffic > FROM traffic_table > GROUP BY ip; > > I want to narrow that SELECT down to a subset, like: > > SELECT SUM(bytes) AS traffic > FROM traffic_table > WHERE traffic < ( 100 * 1024 * 1024 ) > GROUP BY ip; > > which, of course, won't work, cause I need to do the GROUP BY before I do > the WHERE ... but there has to be a way of coding that so that it does > work :( > > I'm overlooking something obvious here ... I think? > > Thanks ... > > Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy > Systems Administrator @ hub.org > primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org > > ---------------------------(end of broadcast)--------------------------- > TIP 9: the planner will ignore your desire to choose an index scan if your > joining column's datatypes do not match
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