am Mon, dem 18.08.2008, um 9:44:48 +0200 mailte Andreas Kraftl folgendes:
> But there is also the possibility, that one row is available. Means that
> i need an UPDATE instead of the INSERT.
>
> Is it in SQL possible to decide if there is an UPDATE or an INSERT or
> must i program something with PHP for example?
You can use a own function for this, see
http://www.postgresql.org/docs/current/static/plpgsql-control-structures.html#PLPGSQL-ERROR-TRAPPING
Example 38-1. Exceptions with UPDATE/INSERT
HTH, Andreas
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Andreas Kretschmer
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