function given current output-row

Is there a function that returns the number of the current outputline
?

ie.: select value,function from table;
value | function
-------+-----------
val1 | 1
val2 | 2
val3 | 3
...

I need this for a complex weighted sortingalgorithm.

thnx,
peter

--
mag. peter pilsl

phone: +43 676 3574035
fax : +43 676 3546512
email: pilsl(at)goldfisch(dot)at
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