Re: [HACKERS] no operator '=' for types char16 and text

> don't you think there should be some sort of automatic conversion
> here?

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.

                                           - Tom