Tom Lane wrote:
>> You cannot specify a conversion function while altering
>> a column's type, you'd have to use a new column like this:
>
> Sure you can; that's the whole point of the USING option.
> It'd look something like
>
> ALTER TABLE test ALTER COLUMN val TYPE varchar(255) USING convert(val);
I didn't know that such an option exists.
Thanks for the correction!
Yours,
Laurenz Albe
