Re: Inserting and incrementing with MAX aggregate
От | Keith Perry |
---|---|
Тема | Re: Inserting and incrementing with MAX aggregate |
Дата | |
Msg-id | 3A6EFEB6.3A0C95C@vcsn.com обсуждение исходный текст |
Ответ на | Re: Inserting and incrementing with MAX aggregate (Ian Harding <iharding@pakrat.com>) |
Список | pgsql-sql |
Ahhh, thank you that worked. I don't know why but for some reason I didn't think I could do a subquery in an insert *laff*- 'learn something new everyday :) Keith- Ian Harding wrote: > Could you not: > > insert into events (eid,name) values ((SELECT max(eid) FROM > EVENTS)+1,'server down'); > > It looks like it would work. It's just a subquery... > > Ian > > Keith Perry wrote: > > > I was wondering if this statement was still supported in 7.0.x versions > > of pgSQL. I upgraded from a 6.x version where say: > > > > insert into events (eid,name) values (max(eid)+1,'server down'); > > > > works but not in the 7.x variants. > > > > I know that I could use the serial type for that column but in the > > interest not having to rewrite the code (or dump, drop and recreate the > > tables/data), I wanted to know if there was a more stand way to > > incrementing a field automatically that would be fairly portable. Any > > help would be appreciated. > > > > Keith Perry > > VCSN Inc. > > keith@vcsn.com > > http://vcsn.com
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