On Fri, Sep 15, 2006 at 11:43:52AM +0100, Heikki Linnakangas wrote:
> My gut feeling is that it wouldn't be that bad compared to what we have 
> now or the new proposed varlena scheme, but before someone actually 
> tries it and shows some numbers, this is just hand-waving.

Well, that depends on whether you're going to make a special typlen
value for *just* UTF-8, which would probably cost about the same. Or
allow any type to have it's own Datum length function, which would be
very expensive. Calling user-defined functions is not cheap.

I don't think making a special typlen value just for a type that can
store a single UTF-8 character is smart. I just can't see enough use to
make it worth it.

Have a nice day,
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to 
> litigate.

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