"Pavel Stehule" <pavel.stehule@gmail.com> writes:
>> What exactly are you trying to accomplish?
> when I build CASE expression, I have to merge some PLpgSQL_expr
> together. Then I have to reparse expr->query and I have to find params
> and actualize it.
There has to be a better way than that. What CASE syntax are you
trying to implement, anyhow?
regards, tom lane