On Thu, Oct 11, 2018 at 5:04 AM Surafel Temesgen <surafel3...@gmail.com>
wrote:

>
>
> On Thu, Oct 11, 2018 at 12:00 PM Christoph Moench-Tegeder <
> c...@burggraben.net> wrote:
>
>> You can:
>>   COPY ( query ) TO 'filename';
>>
> it is for COPY FROM
>
> regards
> Surafel
>

It didn't get far, but you may want to take a look at a rejected patch for
copy_srf() (set returning function)
https://www.postgresql.org/message-id/CADkLM%3DdoeiWQX4AGtDNG4PsWfSXz3ai7kY%3DPZm3sUhsUeev9Bg%40mail.gmail.com
https://commitfest.postgresql.org/12/869/

Having a set returning function gives you the full expressiveness of SQL,
at the cost of an extra materialization step.

Reply via email to