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

>
> Thus spake Thomas G. Lockhart
> > the charX types (char2, 4, 8, 16) are not well supported. They are
> > likely to disappear in the next release, with the parser mapping them to
> > char(X) (or varchar(X), whichever is the best match) for backward
> > compatibility.
> >
> > The major string types are char(), varchar(), and text.
>
> Is there a performance hit if the values chosen are not powers of 2?

Nope.

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