Re: COPY IN as SELECT target

Andrew Dunstan wrote:
>
> Recently there was discussion about allowing a COPY statement to be a
> SELECT target, returning a text array, although the syntax wasn't really
> nailed down that I recall. I was thinking that we might have
>
> COPY RETURNING ARRAY FROM ...
>
> instead of
>
> COPY tablename opt_column_list FROM ...

It's not really returning an array, is it? It's returning a bag of rows
like a (sub)query.

> the we possibly could do things like:
>
> SELECT t[5] as a, 3*(t[3]::numeric) as b FROM (COPY RETURNING ARRAY
> FROM STDIN CSV) as t;

How about just COPY FROM? As in

SELECT t[5] as a, 3*(t[3]::numeric) as b FROM (COPY FROM STDIN CSV) as t

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com