tolik@aaanet.ru (Anatoly K. Lasareff) writes:
> I'afraid no. My question is: if I pass one null argument into function
> then all other argumens, which are not null, became null inside
> function body.
Yes --- and not only that, but the function's result will be taken to be
null whether you want it to be or not. This has been gone over *many*
times before on this mail list, so I didn't think I needed to repeat it.
This will be fixed in 7.1 (is already fixed in current sources).
regards, tom lane