Re: insert question..
От | Bruno Wolff III |
---|---|
Тема | Re: insert question.. |
Дата | |
Msg-id | 20030611145723.GA10356@wolff.to обсуждение исходный текст |
Ответ на | insert question.. ("Williams, Travis L, NPONS" <tlw@att.com>) |
Список | pgsql-general |
On Wed, Jun 11, 2003 at 10:45:05 -0400, "Williams, Travis L, NPONS" <tlw@att.com> wrote: > I'm looking for an example on how to insert static data and information from a select at the same time.. > > currently I'm doing: > > insert into performance (start,finish) select min(poll_time),max(poll_time) from poll > > I need to add a 3rd field that is static so I would have something like this > > > insert into performance (name,start,finish) travis,select min(poll_time),max(poll_time) from poll If travis is really a constant then you could do: insert into performance (name,start,finish) select 'travis', min(poll_time), max(poll_time) from poll; Another option that might be faster (if there is an index on poll_time) because you are using max and min is: insert into performance (name,start,finish) values ('travis', (select poll_time from poll order by poll_time limit 1), (select poll_time from poll order by poll_time desc limit 1))
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