Re: implement CAST(expr AS type FORMAT 'template')

[Corey Huinker]

> another question is:
> should we first implement CAST(expr AS type FORMAT 'template') for limited
> types
> (to_date, to_char, to_number, to_timestamptz)
> or first try to make it more generic?
>
>
That was my plan, essentially rewriting these into safe versions of the
existing to_date/to_timestamp/etc functions, but much has changed since
then, so while it still seems like a good intermediate step, it may be a
distraction as others have stated elsewhere in the thread.