Re: Dubious usage of TYPCATEGORY_STRING

On Thu, Dec 2, 2021 at 4:22 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> An example of the reasons not to treat these types as being
> general-purpose strings can be seen at [1], where the "char"
> type has acquired some never-intended cast behaviors.  Taking
> that to an extreme, we currently accept
>
> regression=# select '(1,2)'::point::"char";
>  char
> ------
>  (
> (1 row)

What's wrong with that?

-- 
Robert Haas
EDB: http://www.enterprisedb.com