Re: RowDescription message

[Andres Freund]

Hi,

On 2019-10-07 17:00:24 +0900, Tatsuo Ishii wrote:
> According to the manualof RowDescription message
> https://www.postgresql.org/docs/12/protocol-message-formats.html
> 
>         Specifies the number of fields in a row (can be zero).
> 
> Does 0 fields could actually happen?

Yes, e.g.:

SELECT;