Re: insert/update

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От Jeff Eckermann
Тема Re: insert/update
Дата
Msg-id 20040527134843.82786.qmail@web20803.mail.yahoo.com
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Ответ на Re: insert/update  (Tom Allison <tallison@tacocat.net>)
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--- Tom Allison <tallison@tacocat.net> wrote:
> Jeff Eckermann wrote:
> > --- Tom Allison <tallison@tacocat.net> wrote:
> >
> >>I seemed to remember being able to do this but I
> >>can't find the docs.
> >>
> >>Can I run a sql query to insert new or update
> >>existing rows in one query?
>
> So I have to watch out for transactions on this?
> Essentially what I'm trying to do is one of the
> following two:
>
> if exists update a field to field+1 on one record
> if it doesn't exist, insert a row with field = 1
>

I'm not sure what you are asking here that is not
already covered.  I suggest you spend some time
reading the documentation on concurrency, and
searching the archives for some of the lengthy past
discussions on this topic.




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