2008/8/23 Tom Lane <tgl@sss.pgh.pa.us>:
> "Pavel Stehule" <pavel.stehule@gmail.com> writes:
>> I thing, so it's possible - in this case. We should transform named
>> params to expr after syntax analyze.
>
> You're going to have a hard time making parentheses affect the behavior
> if you do it that way.
>
> regards, tom lane
>
I don't prefer this way
regards
Pavel Stehule