Re: Insert only if not found

am  Thu, dem 05.04.2007, um 10:38:21 +0200 mailte Shavonne Marietta Wijesinghe folgendes:
> Hello everyone..
>  
> Here is the result of my Insert. and also the insert works ok.
>  
> INSERT INTO MOD48_02 (ID, TE_INDI, TE_COGNOME, TE_NOME, TE_SESSO, TE_ATTNASC,
> TE_LUONASC, TE_DTNASC, TE_PROVSTATO, TE_PROV, TE_PATERNITA, TE_RICHIESTA,
> USERNAME, DATE_INSERTED, TIME_INSERTED) VALUES ('127001200745101033',
> 'england', 'bloom', 'orlando', 'M', 'ww', 'florida', '05/06/1984', 'america',
> 'UK', 'xx', 'no', 'demo', '05/04/2007', '10.10.33');
> But before i insert this record i want to check if the it hasn't been inserted
> before. I want to use the following fields as the riefferent. TE_COGNOME,
> TE_NOME, TE_SESSO, TE_DTNASC
>  
> And if there is no record to match those 4 fields i want to insert it else just
> a message saying that the record has been inserted b4.
>  
> any idea to start with?

Yes, read this:
http://ads.wars-nicht.de/blog/archives/11-Avoid-Unique-Key-violation.html


I think, you can change this for your request.
(but without the message, if you really need this message, you should use
a function and RAISE a NOTICE as the message)


Andreas
-- 
Andreas Kretschmer
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