On Fri, 2004-07-09 at 19:54, Marcus Boerger wrote:
> Hello Robert,
>
> coalesce would be:
>
> "coalesce" "(" <var> ( "," <var> )* [ "," <expr> ] ")"
>
> and would also require heay engine patching. I am speaking of a
> really major change here, i already looked into what it would
> need month's ago. Since the operator i proposed is different from
> the coalesce functionality many sql developers know i see that as
> a definitive no. But again if you give the engine a try :-)
Sorry, I thought I was following the thread quite thoroughly, but I
missed the part until earlier today where the functionality would
involve shortcutting expression evaluation if a non-null or set value
was found. Obviously (I think -- correct me if I'm wrong) without the
shortcutting feature, implementation would be simplistic.
Cheers,
Rob.
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