| From: | Ashish Karalkar <ashish(dot)karalkar(at)netcore(dot)co(dot)in> |
|---|---|
| To: | Thomas Kellerer <spam_eater(at)gmx(dot)net> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: newbie question - delete before insert |
| Date: | 2010-11-20 09:58:47 |
| Message-ID: | 4CE79BD7.9030400@netcore.co.in |
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| Thread: | |
| Lists: | pgsql-general |
On 11/20/2010 02:43 PM, Thomas Kellerer wrote:
> Grant Mckenzie wrote on 20.11.2010 07:00:
>> How do people implement insert or upate ( otherwise known as upsert )
>> behaviour in postgres i.e. insert a row if it's key does not exist in
>> the database else update the existing row?
>>
>
> You can simply send the UPDATE, if nothing was updated, it's safe to
> send the INSERT
>
> Regards
> Thomas
>
>
>
something on the line of ....
http://www.postgresql.org/docs/8.4/interactive/plpgsql-control-structures.html
*Example 38-2. Exceptions with UPDATE/INSERT*
--
With Regards
Ashish Karalkar
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