"Marin Dimitrov" <marin(dot)dimitrov(at)sirma(dot)bg> writes:
> don't use NULLs
I agree with Marin. If you think you need x = NULL to act like x IS
NULL, then you should rethink the way you are using NULL in your data
design. You are really swimming against the tide of the way that SQL
specifies NULL to work.
regards, tom lane