Re: byte-size of column values

On Tue, Oct 18, 2022 at 6:04 PM David G. Johnston
<david.g.johnston@gmail.com> wrote:
> On Tue, Oct 18, 2022 at 8:53 AM Dominique Devienne <ddevienne@gmail.com> wrote:
>> I'm surprised by the result for bit(3) and char, when calling pg_column_size().

> The base type is what matters, if the length of the actual type is a parameter
> (the (n) part) the underlying type must be variable.

Thanks. Interesting. Didn't know (n)-suffixed "fixed-length" types
where always based on variable-size ones.

>> How does one store as compactedly as possible several small enums
> int2

OK, I see. Thanks again.

> p.s., pretend char doesn't even exist.

I realize that now. Wasn't obvious to me, despite the warning in the doc.