In response to Jörg Kiegeland :
> Hi,
This list, [Perform], is obviously the wrong list for such...
>
> I want to store a boolean SQL condition in a column "condition_column"
> of my table "myTable".
> This condition refers to other columns of the same table and shall use
> one parameter, e.g. "column1=4 AND colume2+column3=param".
> Every row has a different condition in general..
maybe this blog-entry can help you:
http://akretschmer.blogspot.com/2007/10/postgresql-formula-in-column-how.html
For further questions ask me privat.
Andreas
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Andreas Kretschmer
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