Re: [HACKERS] no operator '=' for types char16 and text - Mailing list pgsql-hackers

>
> Thus spake Bruce Momjian
> > > > The major string types are char(), varchar(), and text.
> > > Is there a performance hit if the values chosen are not powers of 2?
> > Nope.
>
> Cool.
>
> Except I'm a dinosaur and somehow it doesn't feel right if it isn't a
> power of two.  Oh well.  :-)

That's what char2,char4, char8, and char16 are for.

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